Environmental Science & Engineering Magazine January-February 2013

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Contents ISSN-0835-605X • Jan/Feb 2013 Vol. 26 No. 1 • Issued February 2013 Editor and Publisher STEVE DAVEY E-mail: steve@esemag.com Founding Editor


Sales Director PENNY DAVEY E-mail: penny@esemag.com Sales Representative DENISE SIMPSON E-mail: denise@esemag.com Accounting SANDRA DAVEY E-mail: sandra@esemag.com Circulation Manager DARLANN PASSFIELD E-mail: darlann@esemag.com Production Manager C Mac DESIGNS E-mail: chris@cmac-designs.ca Editorial Assistant PETER DAVEY E-mail: peter@esemag.com

Technical Advisory Board Archis Ambulkar Brinjac Engineering, Pennsylvania Jim Bishop Consulting Chemist, Ontario Peter Laughton P.Eng. Consulting Engineer, Ontario Bill DeAngelis, P.Eng. Associated Engineering, Ontario Marie Meunier John Meunier Inc., QuĂŠbec Peter J. Paine Environment Canada Environmental Science & Engineering is a bi-monthly business publication of Environmental Science & Engineering Publications Inc. An all Canadian publication, ES&E provides authoritative editorial coverage of Canada's municipal and industrial environmental control systems and drinking water treatment and distribution.

FEATURES 6 20 22 26 28 30 36 42 46 48 50 53 54 56 58 62 64 67 98

The Ten Specifications – Comment by Tom Davey Gold mine cover structure improves environmental protection – Cover Story Using “layers of protection analysis� in water safety assessments Ontario engineers must deal with the repeal of the Industrial Exception Microtunneling used for railway portion of Halton’s newest watermain Biological desulphurization of landfill biogas Rethinking the risks and benefits of drinking water fluoridation Mixed-oxidants show disinfection benefits for municipalities Unique wastewater solution for remote mining camps New device provides wastewater aeration in collection systems Canadian company develops “in-field� odour measurement technology Geotubes prevent shoreline erosion from Hurricane Sandy Automated determination of fecal coliforms studied How to tap the energy savings in greywater Zeolites help remove thallium from ground water Measuring pH in Canadian water treatment plants challenging Dissolved air flotation process harvests algae for biodiesel research Precautionary principles and environmental protection When and how should you clean, calibrate or check your pH sensors? PAGE 28

Readers include consulting engineers, industrial plant managers and engineers, key municipal, provincial and federal environmental officials, water and wastewater plant operators and contractors.

DEPARTMENTS Environmental News . . . . 8-18 Product Showcase . . . . . 69-73 Professional Cards . . . . . 75-80 Ad Index . . . . . . . . . . . . . . . 106

Information contained in ES&E has been compiled from sources believed to be correct. ES&E cannot be responsible for the accuracy of articles or other editorial matter. Articles in this magazine are intended to provide information rather than give legal or other professional advice. Articles being submitted for review should be e-mailed to steve@esemag.com.


Canadian Publications Mail Sales Second Class Mail Product Agreement No. 40065446 Registration No. 7750 Undeliverable copies, advertising space orders, copy, artwork, proofs, etc., should be sent to: Environmental Science & Engineering, 220 Industrial Pkwy. S., Unit 30, Aurora, Ontario, Canada, L4G 3V6, Tel: (905)727-4666, Fax: (905) 841-7271, Web site: www.esemag.com


PAGES 74-105

Consultants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Suppliers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

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Comment by Tom Davey

The Ten Specifications n celebration of Environmental Science & Engineering Magazine’s 25th year of publication, we are pleased to reprint some of Founding Editor, Tom Davey’s editorial comments, many of which are as relevant now as when they were originally published…. The tall Stranger walked north along Toronto's University Avenue carrying a large staff. His flowing robes aroused little interest as he passed a group of students and faculty at the edge of the campus. Quaint dress is not unusual at the campus; in any event, the group was deep in discussion over the metaphysical aspects of the molecular structure of a gnat's kneecap. Vital issues such as this had kept some students at school until middle age. The Stranger strode on, away from the campus, until he came to a marble palace rising into the sky, the home of Environment Ontario's Design Approvals Branch. As he entered, a knot of equipment suppliers staggered out, obviously broken men, crushed by forces beyond their control. Grimly, the Stranger pressed on to the chamber where Design Approvals audiences were held. A dignified usher beckoned him forward imperiously. "Which manufacturer do you represent?" he demanded. But the Stranger was not to be intimidated. "I have come on behalf of the Maker. He has heard the screams of anguish and torment from manufacturers and suppliers across the land. From their clubrooms in Ottawa, Toronto and, yea, even in Hamilton, they have cried out and now their pleas have been heard. I now bring you The Ten Specifications." With that he cast down a stone print-out. The first specification read: Equipment shall be innovative, based on sound engineering fundamentals. The other specifications went on in the same vein, stressing ingenuity and progress. The atmosphere was electric. Some of the female scribes were so startled, they actually began scribing.


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Even the consulting engineers present lost their composure momentarily and fingered their gold medallions nervously. But the Man from the Ministry was a formidable figure also. He fingered the Ten Specifications thoughtfully, then a look of triumph flickered across his face. "These are made in the Middle East. How do we know they will work in a cold climate? Moreover, we usually require at least 12 examples in Ontario. There are only 10 here. All Ontario treatment plants work well. Indeed, we often set the pace for the rest of the country. Many people criticize but all say our plants are reliable." "Maybe so," countered the Stranger, "but this reliability is too often achieved at the expense of innovation. Defensive engineering can maintain a proud tradition, but it will never permit the creation of new ones. It is true that your plants are re-

liable — but at what cost? Ardern, Lockett and Fowler discovered activated sludge at approximately the same time as the Wright Brothers first flew at Kitty Hawk. Where are the environmental equivalents of the space age?" So went the classic confrontation. The irresistible force against the immovable object. Gradually, the Stranger could see that even he was getting nowhere. He left the building, parted the traffic on University Avenue with a wave of his staff, and walked on. And all over the Province, ledgers began filling with red ink as the true cost of this ministerial obduracy became apparent.

This editorial was published in Tom Davey’s book “For Whom the Polls Tell”.

Environmental Science & Engineering Magazine

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Largest park in eastern North America established The Québec government is establishing the Parc national Tursujuq, which will become not only the largest national park in Québec, but also the largest in eastern continental North America. The Parc national Tursujuq has an area of over 26 000 km2, equivalent to 54 times the area of Montréal Island. It is the biggest protected area dedicated to the conservation of sensitive species in northern biodiversity and the natural landscapes of great beauty on the eastern shore of Hudson Bay. Moreover, the addition of most of the drainage basin of the Rivière Nastapoka to the territory of the park enables Québec to achieve the goal of ensuring that protected areas cover the equivalent of 9% of the province. Maggie Emudluk, Chairperson of the Kativik Regional Council, says that “the new park will protect not only the environment but also areas that are essential to the traditional ways of life of the Inuit and the Cree. A determined, united pressure group headed by our communities and regional organizations working with conservation

groups has fulfilled its mission, which will strengthen our confidence in the efficacy of the environmental protection regime established under the James Bay and Northern Québec Agreement.” www.mddep.gouv.qc.ca

Environmental benefits to be achieved with closing Holyrood A report by the Department of Natural Resources, Environmental Benefits of Closing the Holyrood Thermal Generating Station concludes that the replacement of the Holyrood facility with clean, renewable electricity addresses an environmental challenge for Newfoundland and Labrador. “From 2000 to 2010, the Holyrood plant emitted an annual average of approximately 1.1 million tonnes of greenhouse gas emissions and an annual average of 11,610 tonnes of sulphur dioxide,” said the Honourable Jerome Kennedy, Minister of Natural Resources. “Retiring this facility will address the environmental and health concerns expressed by residents of Conception Bay

who are impacted by Holyrood generation.” Retiring the Holyrood plant helps meet Energy Plan and Climate Change Action Plan commitments and would help Newfoundland and Labrador and Canada meet their respective greenhouse gas reduction targets. Developing Muskrat Falls and delivering clean and renewable hydroelectric power to both Labrador and the Island is the least-cost solution to meet growing electricity consumption. www.powerinourhands.ca

Windsorʼs tap water is going fluoride-free. After six hours of debate Tuesday night, city councillors voted 8-3 to stop adding the chemical to the water supply — a practice Windsor began more than half a century ago. Fluoride opponents argued the practice is outdated, while supporters said it’s an effective way to fight tooth decay. The money saved by cutting out fluoride will go to oral health and nutrition education programs for the next five years.

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BCʼs environment minister says Enbridgeʼs answers leave more questions BC Environment Minister Terry Lake has stated that Enbridge/Northern Gateway's answers at hearings into the proposed Northern Gateway Pipeline in Prince George are not providing enough detail to judge whether the company is living up to the promise to implement worldleading land-based spill prevention, response and mitigation practices. "The responses that Enbridge/Northern Gateway representatives are giving our legal counsel are long on promises, but short on solid evidence and action to date," said Lake. "The company needs to show British Columbians that they have practical solutions to the environmental risks and concerns that have been raised. So far, they have not done that." During cross-examination by the Province, Enbridge/Northern Gateway representatives acknowledged that they are not able to say at this time how much of the pipeline, or areas where a spill might end up, would be within two kilo-

metres of a road and therefore accessible. The company conceded that they have not yet determined the details of pipeline access, especially in remote regions, including high terrain areas. The Province's cross-examination also revealed that Enbridge/Northern Gateway will not have a spill response plan finalized until six months before pipeline operations begin. The government of BC has produced a video with Google Earth depictions of portions of the pipeline route in the province. The video shows an example, the Clore River, of the exceptionally challenging location and terrain involved with respect to mounting a timely and effective oil spill response. The video can be found at: ftp://ftp.for.gov.bc.ca/RNI/external/outgoing/NGP/.

AWWA helping water industry achieve environmental compliance The American Water Works Association has released a new publication, designed to help water and wastewater utility per-

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sonnel understand and comply with complex environmental regulations pertaining to hazardous materials and other wastes. Environmental Compliance Guidebook: Beyond US Water Quality Regulation clarifies these laws and regulations while making them easier to understand. Each chapter covers the laws, regulations, and compliance issues for one family of environmental pollutants. The chapters also include the purpose of applicable regulations, the appropriate regulatory authorities, key program elements required for compliance, activities and substances for which the regulation applies, and overcoming common compliance issues and findings. The guidebook is available from AWWA’s online store. www.awwa.org

American Public University announces latest partnership American Public University (APU) has announced a new partnership with The Academy of Board Certified Environmental Professionals (ABCEP). Eligible applicants will receive six semester hours of omnibus credit towards a Master of Science in Environmental Policy and Management at APU from any of ABCEP’s five Certified Environmental Professional (CEP) functional areas. If a student does not pursue this specific degree, the hours may be credited towards other APU graduate degrees if there are available electives. www.apu.apus.edu

Canada and US sign amended Great Lakes agreement

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Since 1986

In September, United States Environmental Protection Agency Administrator Lisa P. Jackson and Canada’s Minister of the Environment Peter Kent signed the newly amended Great Lakes Water Quality Agreement at a formal ceremony in Washington, D.C. It was first signed in 1972 and last amended in 1987. New provisions address aquatic invasive species, habitat degradation and the effects of climate change, and support continued work on existing threats to people’s health and the environment in continued overleaf... Environmental Science & Engineering Magazine

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the Great Lakes Basin such as harmful algae, toxic chemicals, and discharges from vessels. The overall purpose of the Agreement is to restore and maintain the chemical, physical and biological integrity of the waters of the Great Lakes and the portion of the St. Lawrence River that includes the Canada-United States border. Both governments sought extensive input from stakeholders before and throughout the negotiations to amend the Agreement.

BARR Plastics honoured by City of Abbotsford BARR Plastics Inc. has received its second water conservation award this year in support of water conservation efforts that assist in making the City of Abbotsford a sustainable and environmentally conscience community. The city and its dedicated staff have been very forward-thinking in their commitment to water conservation, using rainwater harvesting as a tool. BARR has

supplied numerous rainwater collection systems in and around BC’s Fraser Valley. www.barrplastics.com

Report claims NS residents enjoying cleaner environment Nova Scotians are enjoying a cleaner, greener environment as the province continues to meet, and exceed, its targets in the Environmental Goals and Sustainable Prosperity Act, according to a recent progress report. Nova Scotia has achieved 14 of the 21 goals in the Act, and work continues to meet remaining targets. Highlights include: - Releasing a natural resources strategy in August 2011, that will guide the management of the province's biodiversity, forests, geological resources and provincial parks. - Putting a wetlands conservation policy in place in December 2011 to protect important ecosystems by preventing the net loss of wetlands. - Encouraging the cleanup and redevelopment of contaminated lands through new regulations announced in March. - Ensuring all sewage treatment facilities in the province complied with guidelines for handling and treating septage by last December, fulfilling another legislated goal. Work continues for solid waste, drinking water standards, wastewater management and renewable energy. The province also continues to work towards its economic prosperity targets through the Clean Technology Fund, communitybased feed-in tariff projects and signing agreements for the Lower Churchill Falls hydro project. www.gov.ns.ca

Canada Invests in Great Lakes nutrient initiative Peter Kent, Canada’s Environment Minister, has announced an important investment over four years to address the complex problems of recurrent toxic and nuisance algae, and near shore water quality and ecosystem health in the Great Lakes. The $16 million Initiative will focus efforts geographically on Lake Erie, the 12 | January 2013

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Great Lake most impacted by toxic and nuisance algae. The approaches and knowledge developed through the Initiative will be transferable to the other Great Lakes and other bodies of water in Canada. It will also help the Government of Canada to deliver on its commitments under the recently amended Canada– United States Great Lakes Water Quality Agreement.

marked primarily for remediation activities at approximately 1,100 contaminated sites, as well as the assessment of about 1,650 sites. Canada’s National War Museum was cited as a prime example of what can be done when contaminated land is managed properly. Before construction, the land at the location of the museum was considered to be a contaminated site. Now it is the cherished home of Canada’s military history.

Phase II of contaminated sites clean-up plan launched The Government of Canada has launched Phase II of the Federal Contaminated Sites Action Plan. It is expected to create 7,300 jobs in waste management and remediation across Canada, an equivalent of about 1,500 full-time jobs per year. The Plan also supports skills development, training, and employment of Canadians, including Aboriginal communities and others who live in northern and rural areas. The $1 billion over three years (through to 2014) investment is ear-

Alberta to establish arm's-length environmental monitoring agency The government of Alberta says it will build the most comprehensive environmental monitoring program in Canada with the establishment of a new arm’slength environmental monitoring agency. The new science-based agency will begin work in the oil sands region and will focus on what is monitored, how it’s monitored and where it’s monitored. This will include integrated and coordinated monitoring of land, air, water and biodiversity.

The initial focus of the new agency will be on the Lower Athabasca area, with the ability to expand to the rest of the province. While the new agency is being established, environmental monitoring in the oil sands region will continue to be led through a joint federal-provincial program announced in February 2012. To date, that program has added new water quality sites on the Athabasca River and Muskeg River system; increased air monitoring by adding more sampling sites; and, improved bio-diversity monitoring to include all oil sands producing areas. Up to $50 million a year is being provided by industry in the region to support the joint federal-provincial environmental monitoring plan. www.environment.alberta.ca

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ing environmentally-friendly products and processes. The company's innovations include developing a toner that uses 50 per cent less toner to print, and a solid ink printer that eliminates the need for traditional toner cartridges and reduces waste generation by 90 per cent. www.ene.gov.on.ca

Alberta creates single energy regulator Alberta’s Bill 2 - the Responsible Energy Development Act - will create a single provincial regulator for upstream energy resource activities involving oil, gas, oil sands and coal. The new regulator will be a unified one-window approach that makes it easier to navigate the system. It will also be responsible for energy resource developments from initial application to reclamation. Highlights of the Act include: • Higher fines for individuals and companies who break the law; • Voluntary registry for landowners to

register private surface agreements, which can then be enforced; • Increased flexibility for the regulator to receive and process applications in a way that supports effective and fair decision making. www.assembly.ab.ca

Troop Island, NS, to be protected Troop Island's natural wildlife habitats and important coastal lands will be protected for the benefit of Nova Scotians and future generations thanks to the combined effort of residents, community groups, Halifax Regional Municipality and the province. Troop Island is located on St. Margarets Bay, northeast of Peggys Cove. St. Margarets Bay Stewardship Association and Nova Scotia Nature Trust spearheaded the work to raise the $820,000 needed to purchase and take care of the island. The province provided $150,000 towards the purchase price. Troop Island's 28 acres will go towards the province's goal of protecting at

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least 12 per cent of Nova Scotia lands by 2015. More than nine per cent of Nova Scotia's lands, totaling more than 1.2 million acres, have been protected so far.

SK amends its EA Act Saskatchewan’s Environmental Assessment Amendment Act, 2010 was developed to ensure that economic development proceeds with adequate environmental safeguards to protect the environment and maintain public health. The amendments were made to align with the government's move to a results-based regulatory model, and to update and improve the environmental process. To enhance environmental protection, financial penalties for non-compliance have been substantially increased, and potential for incarceration has been included as a strong deterrent. The Act also clarifies the courts' power to order repair or restoration of environmental damage. www.environment.gov.sk.ca

Latest update on tsunami debris An update to the British Columbia government's Tsunami Debris Management Plan is now available at www.tsunamidebrisbc.ca. The updated joint federalprovincial plan provides additional information and management protocols, including monitoring and surveillance of debris, collection and disposal of debris, and volunteer engagement. The intent of the update is to engage communities in debris management and mitigate any impact that debris may have on B.C.'s shores in relation to public safety, the environment and the economy. Some of the early concerns centre around the costs associated with recycling and land filling tsunami debris and the possibility of aquatic invasive species washing ashore along the coast. Although there have been no reports to date, an update regarding potential for aquatic invasive species is also underway. As with any storm season, it is difficult to predict when, where, and how much debris will wash ashore in any given area. A recent report from the Government of Japan's Ministry of Environment suggests the majority of the continued overleaf...

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wind-blown floatable debris (styrofoam, empty plastic containers, buoys, etc.) has already hit the Pacific Coast. An increase in lumber-related debris may begin arriving now through June 2013. To date there has been less than 20 pieces of confirmed debris from the tsunami found on the B.C. coast.

PEI and fertilizer industry to improve agricultural sustainability The government of Prince Edward Island, the PEI Federation of Agriculture, the PEI Potato Board, and the Kensington North Watersheds Association signed a 4R Nutrient Stewardship Memorandum of Understanding (MOU) with the Canadian Fertilizer Institute (CFI) to link the province’s objectives for environmental action and agricultural sustainability with improved fertilizer use. 4R Nutrient Stewardship was established in cooperation with government, researchers, farmers and the public. The 4R approach ensures that nutrients are applied using the Right Source @ Right

Rate, Right Time, Right Place® through the adoption of beneficial management practices by producers to achieve economic, social and environmental sustainability. PEI is the first Canadian province to sign a 4R Nutrient Stewardship MOU, but its potential does not end there. The 4R Nutrient Stewardship System was developed by the fertilizer industry to be flexible enough to be utilized anywhere in Canada and around the world to reduce emissions and provide an increasing profitability for farmers. The MOU sets out specific elements of an agreement between the Government of PEI and the fertilizer industry, including a commitment by CFI to provide financial support of $150,000 over three years.

Funding announced to clean up part of Hamilton Harbour The Government of Canada has confirmed funding to clean up contaminated sediment at Randle Reef in Hamilton

Harbour. The Randle Reef site contains sediment contaminated with persistent toxic chemicals and heavy metals, which were deposited from industrial operations that are no longer active. In 1985, Hamilton Harbour was identified as an Area of Concern under the Canada–United States Great Lakes Water Quality Agreement due to significant water quality impairments. While many improvements have been made to reduce pollution in the harbour, the contaminated sediment at Randle Reef remained a principal environmental challenge. The estimated cost of the Randle Reef sediment remediation project is $138.9 million. In addition to the $46.3 million in funding from the federal government, the Province of Ontario has committed to provide $46.3 million, and $14 million is being contributed by the City of Hamilton, $14 million by U. S. Steel Canada and $14 million by the Hamilton Port Authority, as well as $2.3 million from the City of Burlington and $2 million from Halton Region. As with any project, and in keeping with the requirements of the Canadian


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Environmental Assessment Act, funding for the implementation is contingent on completion of the Environmental Assessment process. Cleaning up Randle Reef will be the last major step in the process to restore Hamilton Harbour and remove it from the list of Areas of Concern. www.ec.gc.ca

Provincial grant supports lake monitoring The British Columbia Lake Stewardship Society (BCLSS) has been awarded a one-time $75,000 provincial grant to support its lake monitoring program, which contributes to the effective environmental stewardship of BC's water resources and ensures the collection of high-quality lake-monitoring data. The BCLSS, with the support of the Ministry of Environment, has designed "The BC Lake Stewardship and Monitoring Program" to help educate the public on lake protection and provide communities with information on their local lakes. Program activities include water

sampling, training, education and technical support. Through regular water sampling, local communities can better understand a lake's current water quality, identify impacts of human activities and monitor water-quality changes resulting from land development within watersheds. The lake-monitoring program also can assist with early detection of invasive species, such as the American bullfrog and zebra mussel that threaten BC's aquatic ecosystems.

CanadaĘźs emissions historically low Per capita greenhouse gas (GHG) emissions in Canada are at an historic low. The latest data indicates that Canadians emitted an average of 20.3 tonnes of GHG in 2010, the lowest level since tracking began in 1990. “The data collected shows that between 2005 and 2010, GHG emissions decreased by 6.5% despite an economic growth of 6.3%,â€? said Canada’s Environment Minister, Peter Kent. “These num-

bers demonstrate that the Canadian economy can grow without increasing GHG emissions levels.� Environment Canada’s National Inventory Report, released in April 2012, highlights that, compared with 2005 levels, emissions in 2010 have declined in almost all sectors, including oil and gas and electricity generation. The Government of Canada's overall climate change strategy aims to reduce GHG emissions by 17% from 2005 levels by 2020. To achieve this goal, Canada is taking a sector-by-sector approach and has already taken action on two of Canada’s largest sources of emissions - transportation and electricity. www.climatechange.gc.ca

25 year water security plan released The Government of Saskatchewan has released their 25 Year Saskatchewan Water Security Plan, fulfilling a commitment made during the 2011 election. For the first time, all of government's core water continued overleaf...

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management responsibilities and technical expertise will come together to ensure a comprehensive and integrated approach to water management. The plan will ensure the sustainability and quality of Saskatchewan's surface and ground water supplies, while protecting drinking water supplies from the source to the tap. The plan outlines seven goals: sustainable supplies, drinking water safety, protection of water resources, safe and sustainable dams, flood and drought damage reduction, adequate data, information and knowledge and effective governance and engagement. The Water Security Agency will report annually on implementation of the Water Security Plan. www.wsask.ca

Water advisory issued for South Brook A non-consumption water advisory was issued in December for the Town of South Brook, Newfoundland, by the Department of Environment and Conservation and the Department of Health and Community Services, as the result of a failure of the tailings dam at the former Gullbridge mine site. The main water supply for the Town of South Brook is located 20 kilometres downstream from the former Gullbridge dam, and a Class III scheduled salmon river is also in the area. South Brook is located on Route 380 of the Trans Canada Highway, west of Grand Falls-Windsor. Officials are currently on-site to conduct

water sampling and evaluate the situation regarding long-term repair possibilities. Water sampling will be conducted on an ongoing basis, and an update will be provided as more information becomes available. The advisory was lifted Dec 24.

Company ordered to remediate contaminated groundwater The Alberta government has issued an enforcement order to ensure that groundwater contamination on the site of a Bruderheim chemical plant is appropriately addressed. Although the plant has not been in service since 2006, a functioning groundwater recovery system is required to ensure on-site contaminated groundwater is removed and treated. The recovery system in place has not been operational since approvals for the plant were transferred to Harold Jahn and his company, Heartland Industrial Park Inc., in 2011. The enforcement order requires Mr. Jahn and the company to submit and implement a decommissioning and reclamation plan for the plant and a monitoring plan for the site’s groundwater. The order sets out due dates for each plan, beginning January 4, 2013. When individuals or companies fail to comply with legislation, government has a range of options depending on the offence. Enforcement orders are issued under the authority of Alberta's Environmental Protection and Enhancement Act to ensure immediate action is taken to

correct a situation. www.environment.alberta.ca

Saskatchewan Environmental Code The Saskatchewan Environmental Code, which should be implemented soon, will be a legally binding, enforceable set of requirements to be followed by anyone conducting activities regulated by any of the acts that reference the code. It will provide directions and guidelines for projects, allowing operators in many situations to proceed in an environmentally friendly manner without unnecessary permits from the ministry. The code is being developed collaboratively, bringing together experts with extensive knowledge in environmental protection, law and governance. The Code Development Committee, established in the summer of 2010, will provide advice to the Minister of Environment on the content of the code and its supporting materials. The actual writing of various Code chapters will be a collaborative process, done by eight Content Committees. These committees are made up of members from government, regulated communities and interested parties, all chosen for their interest in and knowledge of the particular subject area. The eight committees are: Air Management; Climate Change; Fish and Wildlife; Forestry; Industrial; Lands; Linear Activities; and Municipal. www.environment.gov.sk.ca



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Environmental Science & Engineering Magazine

January 2013 D5_ES&E 13-01-31 9:41 PM Page 19

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January 2013 D5_ES&E 13-01-31 9:41 PM Page 20

Cover Story

Gold mine cover structure improves environmental protection while increasing worker safety


ocated in northern Ontario, near the Town of Cochrane, Detour Lake has more than 15 million ounces of gold in reserves and an expected annual production of over 650,000 ounces. Detour Gold Corporation, a Canadian gold exploration and development company, is the developer. With production scheduled to commence in early 2013, this project is on track to becoming Canada’s largest operating gold mine. Constructing a cover structure for their operation that also enabled them to house a conveyor needed to be done in a safe, environmentally responsible and cost-effective manner. Detour Gold’s requests were threefold: ensure worker safety by minimizing the amount of dust created by the stockpile; minimize the release of dust into the environment; manage the amount of material awaiting transport to the mine’s ore processing facility. Selection process In early 2011, Greatario Engineered Storage Systems responded to a bid request by Detour Gold for their stockpile containment solution. BBA’s structural engineers, the Detour Gold engineering team, AMEC, Greatario and CST Covers met to discuss specifications of the bid. Partnering with their parent company, CST Covers, allowed Greatario to offer a customized ‘turnkey’ containment solution for the mine. Following review of the proposal and site visits to other CST bulk storage domes, the contract was awarded to Greatario in December, 2011. Greatario assumed the role of general contractor and installer of the dome. CST Covers provided engineering services, and manufactured and supplied the dome. Key factors leading to Detour Gold’s decision to employ Greatario’s dome solution for the site included: • Capability to customize the build to meet project specifications. Covers are designed around a bulk storage facility’s specific clearance requirement, stockpile configuration and bulk handling equipment. • Structural design of the CST domes including aluminum joints requiring no

20 | January 2013

In total, 3,363 beams were constructed into aluminum gussets to form the structure. Photo courtesy Detour Corporation and Graeme Oxby.

onsite welding. • Aluminum is corrosion resistant, offers larger clear span cover capabilities and design flexibility, resulting in less installation time, labour and equipment. • Greatario’s aluminum construction helps to eliminate fugitive particulate emissions, comply with clean air regulations, manage dust and protect stored material from degradation by the elements. • Low capital cost. • The dome can be removed and redeployed once the mine is decommissioned. Construction A typical design/build would be ‘tower build technology’, which means the dome is built from the inside-out. The inner frames and poles are constructed and raised by a pole crane. However, as the existing conveyor at Detour Gold eliminated the opportunity to use this technology, an outside-in cover construction method was used. Outside frames and panels were constructed on the walls of the structure. The frames and panels were then constructed inward until the dome was complete. Man lifts and cranes were used as the dome rings were completed. The construction

team built one complete ring at a time and then moved up to the next ring. A total of 25 rings was assembled. In total, 3,363 beams were constructed into aluminum gussets to form the structure. Greatario’s team built the dome as deliveries from CST Covers arrived on site. As the prefabricated beams slide easily into aluminum gussets and hold securely, the assembly process requires no welding of the dome itself, which was a huge advantage. This precise assembly process allowed the construction team to assemble the dome under various weather conditions. The finished frame was then clad with over 2,240 aluminum sheets. The finished stockpile dome is 97.5m in diameter and 52m high, which is the largest dome that Greatario has built and the largest aluminum geodesic dome in Canada. It is designed to withstand snow loads and wind speeds typical for the area. Material is transported from the dome to the mine’s ore processing plant via an existing underground tunnel. For more information, E-mail: plogan@greatario.com

Environmental Science & Engineering Magazine

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Water Treatment

Using layers of protection analysis in water safety assessments By Roland A. Bradshaw, George L Illaszewicz, Mark Keller, Alvin Beier and Amanda Beattie


ayers of protection analysis (LOPA) is a powerful analytical tool for assessing the adequacy of protection layers used to mitigate environmental and process risks in engineered water supply and sanitation systems. In pursuing their mandate of providing good and safe drinking water, water system operators and asset owners have to work continuously towards developing and maintaining the trust and confidence of their customers. Provision of safe and reliable services requires a robust approach that identifies and prioritizes all risks and supports decision-makers in taking the correct course of action. This need for systematic and systemic assessment and management of public health risk has been documented in the Bonn Charter and the World Health Organization’s Guidelines for Drinking Water Quality, which introduces the concept of Drinking Water Safety Plans based on source-to-tap risk assessments. Applied to operating and maintaining water supply systems, LOPA provides a procedure for assessing the adequacy of independent protection layers (IPLs) used to mitigate environmental and process risks. These IPLs include independent treatment units, standard operating procedures and incident response procedures. LOPA is used for the review of technical systems’ reliability and the review of organizational resilience under trying conditions. It provides a systematic approach to identify and prioritize maintenance and optimization programs that, once implemented, maximize the overall level of service of the infrastructure. Dramatic incidents in recent years, such as the E. coli and Campylobacter jejuni related outbreak in Walkerton, Ontario, the outbreak of cryptosporidiosis in North Battleford, Saskatchewan, and various Cryptosporidium outbreaks in the U.K. and in Milwaukee, Wisconsin, have led to an increased emphasis in the water sector on explicitly assessing and managing risks. 22 | January 2013

Staff engaged in operations and incident management must have a strong sense of the primary mission of the organization.

Literature increasingly suggests three main root causes for water system failures: physical inadequacy and failure of assets and equipment, failure due to human interaction, and failure within organizational decision-making processes. The introduction of a socio-technical system’s perspective broadens the scope for risk assessments. A methodology is required that considers water system risks not only related to tangible assets, but also human factors, organizational processes — even organizational culture. Such integrity assessments help ensure that water systems deliver the desired outcome in terms of functionality and quality, and also ensure that technical and organizational risk mitigation measures are available and functional. These meta-assessment processes straddle risk, environmental, maintenance and safety management processes, and are composed of methodologies to aid the identification and management of hazards and their respective risks. LOPA provides such a model, enabling both the review of technical reliability and organizational resilience under trying conditions, as well as the opportu-

nity to learn from failures. As a semiquantitative technique, LOPA also fills the gap between subjective qualitative techniques, such as hazard and operability studies (HAZOPs) or process hazard analyses (PHAs), while requiring fewer resources than a full quantitative risk assessment. It offers a conservative, rational and systematic method for assessing the suitability and sufficiency of protection layers present within the system. Developing LOPA for the water sector LOPA builds upon process hazards analysis techniques, applying semi-quantitative measures to the evaluation of the frequency of potential incidents and the probability of failure of the IPLs. Originally developed for the process industry, LOPA has been utilized to identify and develop appropriate safety integrity levels (SIL) as per the requirements of safety standards such as IEC 61508, IEC 61511, or ANSI/ISA 84.00.01-2004. LOPA provides a methodology that can be used to identify and assess safeguards across physical, human, information and intangible assets.

Environmental Science & Engineering Magazine

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Water Treatment Within the water sector, treatment units, standard operating procedures and incident response procedures can all be considered independent protection layers, as long as the following criteria are met: Specificity. An IPL is capable of detecting and preventing or mitigating the consequences of specified, potentially hazardous events, such as a runaway reaction, loss of containment or an explosion. Independence. An IPL is independent of all the other protection layers associated with the identified potentially hazardous event. Independence requires that the performance of one IPL is not affected by the failure of another IPL or by the conditions that caused that IPL to fail. Most importantly, the IPL is independent of the initiating cause. Dependability. The protection provided by an IPL reduces the identified risk by a known and explicit amount. Auditability. An IPL is designed to permit regular periodic validation of the protective function. The following case study of the application of LOPA as an assessment technique for the water sector consisted of a retrospective review of a series of incidents that occurred in a large water utility considered representative of typical utilities. The LOPA methodology was applied to investigate the organization under “trying conditions” to assess the effects that IPLs had in generating organizational resilience during the incident situations. IPLs considered relevant for reliable organizations operating under trying conditions were: • A strong organizational culture of reliability. • Staff competencies via continuous learning and intensive training. • Effective and varied patterns of communication. • Adaptable decision-making dynamics and flexible organizational structures. • System and human redundancy. Organizational reliability A strong organizational culture of reliability is a necessary bulwark against the failures that can have catastrophic consequences. Staff engaged in operations and incident management must have a strong sense of the primary mission of the organization. Operations managers, engineers and operators need www.esemag.com

to share a common system of beliefs and perceptions where water safety is concerned. Failure scenarios should be well understood and reflected in the monitoring program of water system assets. Constant vigilance and concern for water safety and reliability need to dictate the behaviour of staff. This is particularly relevant to field operators, but also to control room staff who must act with alertness, attentiveness and care in monitoring the healthy operation of the water

supply system. Employees are encouraged to take responsibility, particularly where problems are identified and immediate corrective action programs are required. Staff competency The review of incidents revealed that staff generally managed incidents and restored the system to safe operation with competence. Staff training is extensive and focuses on the skills required for continued overleaf...

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Water Treatment

Water supply systems depend on duty standby arrangements or excess capacity to isolate failed assets and compensate for their loss.

maintaining a safe system. Operators are required to obtain a licence to operate a water supply system. Training and certification are vitally important, but the content of that training is critical, including raising awareness of the substantial public health responsibility carried by operational personnel. In-house and onthe-job training are also important components for ensuring staff competency. Performance of each task is evaluated with respect to formal rules, generalized guidelines and standardized frameworks. These are expressed in standard operating procedures (SOPs), risk assessments and method statements. The emphasis is on identifying potential sources of failure and implementing appropriate preventative actions. Communication of incidents to staff helps relevant personnel understand the vulnerability of the system. This communication also helps the water utility to learn by studying failures, near failures and mistakes. Failures in one part of the organization can be used as a means of studying the failure susceptibility of the organization as a whole. Incident review meetings are designed to highlight and prompt cross-organizational learning in other parts of the business. Effective and varied patterns of communication Organizations with strongly developed IPLs create information-rich environments. Effective communication allows a complex system to become more under24 | January 2013

standable, predictable and controllable. During an incident, inter-personnel communication is designed as both bottom-up and top-down to ensure the rapid flow of information through the hierarchy of the incident management team. Rapid dissemination of information helps the organization respond to an incident with corrective action on a timely basis, thus preventing unnecessary escalation of the incident into an emergency. Adaptable decision-making dynamics and flexible organizational structures Incident documentation was studied to assess the ability of the organization to adapt its organizational structure to respond to the needs arising during an incident. It was found that in the majority of the incidents, the organization effectively reduced the impact on customers and reinstated normal operations. Incident assessment also examined decision-making during incidents. Incident management efforts require “good decision-making� to significantly and pro-actively reduce the impact on customers and to reinstate normal operations as soon as possible. As a general rule, incident management efforts have to avoid poor judgment, poor decisionmaking, and the inability to be adaptable. Overall, an organization needs to demonstrate that decision-making under trying conditions effectively draws the necessary and correct conclusions from the data available to the incident manage-

ment team. This suggests that the quality of the decisions made is a reflection not only of the data availability during an incident, but also of the competence of the decision-makers involved in an incident. System and human redundancy Typically, water supply systems depend on duty standby arrangements or excess capacity to isolate failed assets and compensate for their loss. During incidents, system redundancy needs to be available to reduce or avoid customer impact. Designing redundancy for a system can also be counterproductive, however, as backup functions can increase technical complexity, conceal errors and discourage individuals from performing their specified tasks. Therefore, the need for redundancy has to be investigated as part of planning incident management response procedures. In this review it was found that the availability of system redundancy successfully mitigated or reduced the impact on customers in an overwhelming number of incidents. Human resource management practices that support reliability Organizations with strongly developed IPLs select suitable and skilled candidates, aiming to match, as closely as possible, the complexity of the work environment. An incident manager has to be able to cope with uncertain situations and demonstrate rational decision-making under trying conditions. The incident manager has to be able to communicate effectively with the staff and stakeholders involved in incidents. The manager also requires a good understanding of the entire water supply system, while drawing on the expert knowledge of the incident management team. All of these dimensions have been observed to contribute to the effective management of water safety and reliability. Each dimension is important individually, but it is when acting together as a coherent configuration that incidents are effectively managed and future risks can be sufficiently understood and planned for. Roland A. Bradshaw, George L Illaszewicz, Mark Keller, Alvin Beier and Amanda Beattie are with Associated Engineering (Ont.) Ltd. E-mail: bradshawr@ae.ca

Environmental Science & Engineering Magazine

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Still the leader.

Indachem is proud to continue to provide Canada’s water and wastewater industry with PolyBlend® – the market leader in polymer makedown and feed systems.

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Health and Safety

PEO helping those affected by the repeal of the industrial exception By Michael R. Price


ith the proclamation of the repeal of the industrial exception anticipated early in 2013, Professional Engineers Ontario (PEO) has proactively developed a transition plan and support program to assist those who will be seeking licensure to prepare for the new legislation. The repeal of the industrial exception, which is section 12(3)(a) of the Professional Engineers Act, will improve workplace safety and business efficiency by ensuring individuals are licensed by PEO if they plan, design, compose, evaluate, advise, report or supervise professional engineering work on machinery or equipment used for production for their employer in their employer’s facility. Since the repeal received Royal Assent on October 25, 2010, PEO has held public meetings with industry in close to 80 per cent of the province and across a broad range of manufacturing sectors. These meetings have included one-on-one discussions with employees and employers on the specific scope of this change. As a result of these consultations, PEO council passed a regulation in September 2012 that would give employers who file a compliance plan with PEO prior to proclamation of the new requirement for licensure, up to one year after proclamation to be in compliance. As well, PEO council extended its Financial Credit Program, which waives the licence application fee, to all employees who apply for a licence on or before the proclamation date and who are named in their employer’s compliance plan. PEO will also assist these employees through the one-year compliance period by providing application and Engineering Intern Program (EIT) seminars. It will also administer professional practice exams at their job sites. To take advantage of this support program, and in anticipation of the imminent proclamation date, compliance plans and new licence applications must be submitted to PEO on or before March 1, 2013. The industrial exception to the require-

26 | January 2013

Soon, the Professional Engineers Act will be consistent with the requirements and intent of the PSR and will bring a professional engineer into the equipment development cycle.

ment to hold a licence to take responsibility for engineering work has been in place since 1984 and only in Ontario. Repealing this exception aims to improve workplace safety and business efficiency, as well as create a national framework for licensure. This means all Canadian jurisdictions will have the same requirements to hold a licence in order to be responsible for professional engineering. Under the Occupational Health and Safety Act and its Regulation 851, a prestart health and safety review (PSR) conducted by a professional engineer is required prior to starting up equipment within an industrial establishment. Soon, the Professional Engineers Act will be consistent with the requirements and intent of the PSR and will bring a professional engineer into the equipment development cycle. With licensed professional engineers in place from the beginning of the process, the safety of Ontario

workers will be further assured and operations will be more productive. “Integrating health and safety at the design stage and before operations begin is a cost-effective and proactive way to prevent workplace illness and injury. The benefits are numerous. They include direct savings from minimizing retrofitting, less downtime and replacement of equipment; savings in workplace insurance claims due to fewer illnesses and injuries; and, most important, maintaining productivity, health and safety in the workplace.” Ministry of Labour Guideline to Pre-Start Health and Safety Reviews, 2001. Michael R. Price is with Professional Engineers Ontario. For more information, visit www.peo.on.ca

Environmental Science & Engineering Magazine

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Water Distribution

Microtunneling used for railway portion of Halton’s newest watermain By Joe Proietti and Nathaniel Andres


alton Region has retained R.V. Anderson Associates Limited for the design and contract administration of a trunk watermain in Burlington and Oakville. Construction is currently underway for the 4km long watermain that will support population growth and add redundancy to the Region’s distribution network. The Zone 3 Watermain project includes several challenging obstacles, including the trenchless crossing of railway tracks in an area with mixed soil conditions. More specifically, geotechnical investigation revealed fill overlaying clayey silt, dense sandy silt/silty sand, dense gravelly sand, and completely weathered shale. In addition, the project was made more complicated by an artesian groundwater condition where, depending on the installation method, extensive pumping over a relatively long duration was anticipated. This pumping had the potential to contribute to settlement, as the purging of water creates voids in the subsoil matrix. The design of the railway crossing for the 900mm diameter watermain included a 1500mm diameter casing pipe. Jack and bore is a method typically employed with success in such instances. However, the possibility of encountering hard shale made this option less preferable, particularly given the rail authority’s requirement to keep the face of the casing pipe at least one pipe diameter ahead of the auger during installation. Likewise, it was expected that pipe ramming could encounter similar issues. It became evident that the operation would require extensive thought and consideration before selecting the ultimate installation method, which was provided by Ward & Burke Microtunneling Ltd. With the influx of contractors specializing in the installation technique, microtunneling has become increasingly prevalent as a solution to the challenging subsurface conditions encountered in southern Ontario. Microtunneling involves the use of an

28 | January 2013

Microtunneling has become increasingly prevalent as a solution to the challenging subsurface conditions encountered in southern Ontario.

unmanned tunnel boring machine (TBM). The TBM uses slurry pressure, in conjunction with the jacking force to maintain tunnel face stability in a closed system. This prevents soil and water from entering the tunnel, thereby minimizing soil loss and ground settlement. Slurry pressure is balanced against the in situ stresses acting on the TBM and is consistently monitored during construction. This pressure matching strategy prevents over-excavation and enables tunneling without the need for dewatering, which not only helps to prevent settlement but also to manage costs. Also among the benefits of the microtunneling concept is the ability to operate in varying ground conditions. A variety of cutting faces at the head of the TBM can be used effectively for sand, silt, clay, gravel, rock and other mixed face conditions. Affixed to the cutting head are steering cylinders that allow the operator to control the line and grade of the tunnel. A laser located in the jacking shaft marks a target that is mounted inside the TBM. The operator uses information exchanged between the units to ensure accurate orientation and location of the cutting head. The TBM bores through the subsurface, leaving an annulus of 30mm all around the jacking pipe. Every six pipes, a length with a prefabricated port is installed through which bentonite is

pumped into the annular space. It fills the void around the pipe, temporarily supporting the surrounding soils and minimizing friction to lessen the required jacking forces. At the completion of the crossing, the bentonite is forced out of the annular space, while being replaced by grout to prevent ground settlement. Excavated material enters from the face of the TBM into a crusher chamber where it is ground into smaller pieces. In order to create a slurry, water is pumped into the crusher chamber, so the mixture can be transferred to the control container at the ground surface. To avoid soil and groundwater loss, the operator monitors the amount of slurry taken with a flowmeter inside the container. Once in the separation system, a centrifuge extracts the solids that can then be trucked away for landfill disposal. Water that remains is pumped back down the shaft to the cutting head and the crusher chamber. The amount of recycled water is also metered to provide a completely monitored process. In the case of the Zone 3 Watermain, a 1500mm diameter reinforced concrete jacking/casing pipe was installed. The pipe was provided by Tracey Concrete and meets 140D loading specifications. While Tracey, a European concrete pipe manufacturer and supplier, has met the needs of various Ontario municipal projects, local manufacturers are currently de-

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Water Distribution veloping their products to meet the requirements of microtunnel jacking pipe. Installation of the tunnel entry and exit shafts using the caisson technique was effective and controlled water with minimal dewatering. In general, 2.5 metre high, cast-in-place, reinforced concrete rings were poured at grade. The concrete rings were sunk into place in segments by excavating from inside the walls until the shaft reached full depth. At this point, open-bottomed cylinders remained, forming the footprint of the shafts. but not preventing the ingress of groundwater. Tremie concrete was used for the base of the shafts. Now, with a completely enclosed structure at the entry and exit points, water remaining in the shafts was pumped out, which was the last time groundwater pumping was required for the trenchless crossing. The TBM entry shaft, located at the low end of the tunnel, was converted to a drain chamber for the watermain following installation of the jacking pipe. This eliminated the need for a separate manhole excavation. There were several benefits to the mi-

crotunneling process that were realized during the installation of the Zone 3 Watermain. Where a permit to take water was originally thought to be necessary, no dewatering was required throughout the tunneling process. Moreover, limited pumping was necessary for the shaft installation. Next, minimal settlement was reported in the vicinity of the railway tracks. Additional settlement at the entry shaft was promptly controlled with the use of bentonite and, ultimately, grout. Lastly, despite the varying soil types, there were no technical issues as the TBM advanced. When considering if microtunneling is a suitable trenchless technology for a project, due regard should be given to the potential constraints. Besides geotechnical design considerations, the tunnel length may be a limiting factor. Microtunneling is typically considered for lengths between 50 and 500 metres, although longer lengths have been completed. Shorter installations are often cost-prohibitive. Also, the amount of working room available may negate the use of this technology. The Zone 3 Watermain required

an entry and exit shaft of 7 metres and 5 metres diameter, respectively. The operator control container, separation unit, and temporary stockpiling required additional space on the ground surface adjacent to the entry shaft. A typical microtunneling setup has a larger footprint than jack and bore, but substantially smaller than that required for conventional tunneling. The unmanned TBM makes this trenchless installation technique a relatively safe alternative that not only provides reliability to minimize ground settlement but also alignment and grade of critical infrastructure. Given the options available, it was clear to Halton Region and the rail authority, which ultimately had to approve the crossing method, that microtunneling was the optimal solution. Joe Proietti is Project Manager with the Regional Municipality of Halton. Nathaniel Andres is with R.V. Anderson Associates Limited. For more information, E-mail: nandres@rvanderson.com

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Air Pollution

Biological desulphurization of landfill biogas By Alisa Wiebe, Hadi Husain and Derek Webb


biogas desulphurization process is providing very high removal efficiencies at a landfill site in Québec. Despite highly variable concentrations and low winter temperatures, the system, from Biorem, has achieved an average removal efficiency of 97% and has consistently maintained outlet hydrogen sulphide concentration below target. As a result, the customer has realized a significant cost reduction over the previously used chemical scrubbing process, and the site environment has improved. The biological desulphurization process offers many benefits over scavenger media and chemical scrubbing processes. No media replacement is required, and only small amounts of nutrients are needed. The operation is simple and inherently safe, and the payback period for the capital investment is relatively short. Trends in biogas management Landfills containing organic and construction wastes generate biogas throughout their useful life and for a significant period following closure. Rates of biogas generation and composition depend on many factors, including temperature, gas withdrawal rates, the characteristics of the waste being treated, and landfill layout. The gas is withdrawn using wells Landfill gas flow Temperature Composition: Methane Carbon dioxide Oxygen Inlet H2S concentration

Construction underway on a biogas desulphurization system.

drilled in the waste material at appropriate intervals. Historically, the primary objective of collection was to contain the biogas within the landfill boundary, and burn it in a flare to prevent odours. However, the recent trend is to pro-

250 scfm (425 Nm3/h) 50-86°F (10-30°C) 25 – 35% 55 – 66% 2 – 5% 600 – 1,100 ppm

Table 1: Landfill gas characteristics.

Design outlet H2S concentration Actual outlet H2S concentration Tank dimensions Operating temperature Operating pressure Operating pH

50 ppm ND – 50 ppm 10 ft dia x 20 ft high (3.05 m dia x 6.1 m high) 77-86°F (25-30°C) 7 – 10”wc (vacuum) 1–2

Table 2: Biogas sweetening system specifications. 30 | January 2013

duce power from biogas. Regulatory and environmental pressures, as well as government incentives such as Ontario’s Feed in Tariff program, have improved the economics of power generation from biogas, despite the recent drop in natural gas prices. Biogas contains many impurities, which, if left untreated, result in high power generator maintenance costs. In particular, siloxanes — organic compounds of silicon — are of great concern as they form silica deposits in engines and turbines. Manufacturers of this equipment specify maximum acceptable loading rates, as well as the maximum acceptable hydrogen sulphide loading rate. Regardless, hydrogen sulphide concentration should be reduced upstream of the siloxanes removal system to avoid interference. Conventional methods for biogas desulphurization include reaction with scavenger media to retain hydrogen sulphide as iron sulphide, or chemical scrubbing, which uses a mixture of caustic and bleach to oxidize the hydrogen sulphide to sulphuric acid. Other methods such as condensation and adsorption have also been used in some instances. Reaction with scavenger media is the most common process, due to its simplicity of operation, despite frequent media change-outs, high pressure drop and high operating cost. However, as the concentration of hydrogen sulphide increases, so does the cost of media replacement and capital. Biological desulphurization The biological desulphurization process uses biotrickling filtration (BTF), which is similar to the process used for removing hydrogen sulphide from sewage plant exhausts. But there are important differences. Due to the absence of oxygen in biogas, air or oxygen must be added to the gas stream to promote bio-oxidation. Chemi-autotrophic, acidophilic thiobacillus bacteria use energy from hydrogen sulphide oxidation for growth, while producing sulphur and sulphuric acid according to the following reactions: continued overleaf...

Environmental Science & Engineering Magazine

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Air Pollution 2H2S+ O2 → 2S+ 2H2O 2S + 3O2+ 2H2O → 2H2SO4 H2S + 2O2→ H2SO4 Optimum reaction pH is in the range of 1.5 – 2, although the reaction continues at a pH as low as 0.5. Nutrient addition is required for cell growth, but the proportions are very small, almost onetenth of those required for a typical aerobic process. In BTF systems that treat hydrogen sulphide-bearing air, the objective is complete oxidation to sulphuric acid. In biogas systems, depending on the specific plant, it is often preferable to minimize sulphuric acid and maximize sulphur production. For example, Biorem designs its systems to limit conversion to sulphuric acid to approximately 20%, and the balance to sulphur. The key reason is that complete oxidation requires a higher level of air addition, which increases the nitrogen content of biogas and lowers its heating value. Increasing the ratio of sulphur to sulphuric acid production also increases reactor productivity. However, an undesirable consequence of maximizing sulphur production is continuous deposition of sulphur on the biotrickling filter media. Media must be selected carefully to promote self-cleaning. In addition, provisions should be made for in situ media washdown to prevent reactor plugging. The Biorem biological desulphurization process is managed by controlling oxygen content in the treated gas. Residual oxygen concentration is used to adjust air feed rate. This is highly effective as it provides good control regardless of changes in biogas flow or composition. Important process parameters that are monitored include hydrogen sulphide concentration in the treated biogas, reactor pressure drop, biogas temperature and sump pH. In larger systems, automatic purge, based on the sump pH value, may be used. However, in most cases, manual monitoring and purge adjustment are adequate, as landfill biogas composition does not change rapidly. Economics of biological desulphurization A biological system does not need media replacement, and the use of chemicals is relatively small. This provides a major cost advantage over the scavenger media system. Media replacement is a 32 | January 2013

Due to proximity of the Québec City landfill to an urban area, this biological system was designed to be enclosed in a building.

recurring cost in the scavenger system, and is estimated at $6 per 10/kg of hydrogen sulphide removed. This is generally valid for capacities in the range of 500 – 2,000 m3/h and hydrogen sulphide concentrations of 300 – 4,000 ppmv. The cost of capital and power are extra, and the power costs are important to consider, as the pressure drop may be as high as 0.5 psi. Recurring costs in a biological treatment system include nutrients and power. However, these costs are very low, since a biofilm process

A biological system does not need media replacement, and the use of chemicals is relatively small. typically uses relatively small amounts of nutrients and the pressure drop through a BTF is only 1 – 8 inches of water column. Thus the power cost of a scavenger system exceeds the cost of power and nutrients in a biological process. However, the capital cost of a biological treatment system is higher than a scavenger media system. For a large system with total hydrogen sulphide removal capacity of 150 kg/day, the payback period for a biological system compared with a scavenger system is

only 30 – 60 days. This increases as system capacity and hydrogen sulphide concentration drops, but remains less than three years for a 5kg/day hydrogen sulphide removal system. For smaller systems, a scavenger media system becomes increasingly cost-effective. Case study - Québec Since 1985, Veolia Environmental Services has operated a construction and demolition (C&D) waste landfill in Québec City. Over the last 20 years, recycling of C&D waste has increased, resulting in diversion of waste from landfills, hence increasing the landfill’s life. The landfill closed in 2009, when it reached its capacity of over 4,000,000 m3 of C&D waste. But production of biogas is projected to continue for at least another 10 years. Drywall material is one of the main constituents in C&D waste and the source of a majority of fines. The drywall contains gypsum, a soft mineral consisting of hydrated calcium sulphate. Under anaerobic conditions in the landfill, the sulphur-based compounds in the gypsum are converted to hydrogen sulphide and other reduced-sulphur compounds that are highly odorous. Due to the proximity to urban neighbourhoods, as the landfill grew in size, gas collection wells were installed to collect methane gas and odorous compounds. Unfortunately, the volume of the biogas was small, and the methane content of the gas was less than 35%.

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Air Pollution

Figure 1: Removal efficiencies as measured during 2011 and 2012.

This made a biogas conversion to energy option uneconomical. Therefore, the primary reason for landfill gas collection and treatment was odour control. Initially a chemical scrubber in combination with a woodchip biofilter was used to treat sulphur compounds in the biogas. The dual-stage treatment system reduced the hydrogen sulphide content from approximately 1,000 ppm to less than 50 ppm. As the chemical scrubber aged, efficiencies decreased and main-

tenance requirements increased, so an alternative was required. In December 2010, Biorem started its BTF system. This system is specifically designed for the high concentrations of hydrogen sulphide found in biogas and consists of a compact, vertical tower design utilizing high-efficiency media with compound-specific bacteria. The biological desulphurization system requires a continuous flow of recirculated water and a constant supply of

nutrients. It is operated under acidic conditions at approximately 86°F (30°C). Biogas characteristics are presented in Table 1. Biorem system design objectives and features are presented in Table 2. Conclusion Figure 1 presents removal efficiencies as measured during the last two summers. Average removal rate is 97%. Design target for maximum hydrogen sulphide in the treated gas is 50 ppmv, which has been consistently achieved since startup. The Biorem biological desulphurization process has been proven to be a cost-effective technology for biogas treatment. Treatment systems are available in a wide range of capacities and hydrogen sulphide concentrations. Biological treatment is particularly attractive at hydrogen sulphide loading rates of 5 kg/day and higher. Alisa Wiebe, Hadi Husain and Derek Webb are with Biorem Technologies Inc. For more information, E-mail: mshewman@biorem.biz

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Leak Prevention

Bridging the gaps in water and wastewater containment systems


ater and wastewater treatment facilities are exposed to hazardous and costly leaks, unless containment vessels have linings that will “bridge” structural cracks and resist harsh chemicals. Although water and wastewater treatment vessels are engineered to be foolproof, leakage of these vessels due to mechanical or chemical influences can pose a serious threat to the health and safety of workers, the public and the environment. In addition to those hazards, leaking containment systems also result in unplanned down time and diminished capacities, accompanied by time-consuming, expensive and recurring repairs. There are several choices of products that are designed to protect against leaking or spilling of the aqueous materials in primary and secondary containment structures. Yet many of the most popular products offer only limited protection, and may fail due to a variety of chemical and mechanical challenges. These challenges are due to the wide array of chemicals that are found in industrial water and wastewater treatment operations and attack the surfaces they are in contact with. These include hydrogen sulfide, sodium hydroxide, sulfuric acid, sodium hypochlorite, chlorine, and numerous other industry-specific and harsh chemicals. Mechanical issues include abrasion or erosion of primary containment linings due to solid contaminants, and cracking of concrete substrates used for primary containment vessels. On steel substrates, linings often lack high permeation resistance, which will cause the lining’s topcoat to display blisters. These blisters are symptoms that linings are failing, due to molecular vapor transmission. Secondary containment dikes are required to enclose leaks and spills for three days, but damage to the lining from the spill of chemicals can compromise the dike’s integrity. UV rays and weather can cause concrete to move and crack, and degrade some polymers, causing the same problems. So, the choice of material to 34 | January 2013

Clarifiers at power plants are another example of containment structures where cracking can be a serious problem.

line primary and secondary containment vessels and dikes can make a major difference. The elastomeric bridge One solution is an engineered elastomeric lining system that can be applied to primary and secondary containment structures. This lining is designed for its long service life, ability to “bridge” joints and cracks in concrete, imperviousness to UV light and harsh chemicals, and ease of installation. The Elasti-Liner system from KCC is a line of engineered elastomeric products that is applied by brush or roller to concrete substrates and directly over expansion and control joints.

Polymers are cross-linked and act like coiled springs that expand and also contract as concrete moves. “In the past, we used 100 percent epoxy coatings on our secondary containment structures,” says Brian Peroni, corrosion control specialist at Florida Power and Light. “Epoxy might work well enough for some primary containment applications, but for concrete structures it can be inadequate. In concrete structures live cracks will occur, and because epoxies are a rigid coating, they tend to crack right along with the concrete.” To overcome the problems of leaks resulting from cracked concrete in primary and secondary containment structures,

Peroni uses and recommends Elasti-Liner elastomeric liner. “The product has great crack bridging properties,” he explains. “That’s why it is so effective for us. We don’t have to worry about cracks in the concrete and we don’t have a lot of maintenance.” Clarifiers at power plants are another example of containment structures where cracking can be a serious problem. These primary containment vessels are often designed with metal sidewalls resting on a concrete base. In an attempt to prevent leaks when the concrete base cracked, the concrete is often reinforced with grout. However, when the concrete moves or cracks, the grout seal can also fracture. One of the main benefits in using this elastomeric lining on containment and other concrete structures is that concrete joints are simply taken care of by the lining overlaying the joint, so joint problems are completely eliminated. The lining is great at bridging cracks up to one-eigth inch because of the way it is engineered. Polymers are cross-linked and act like coiled springs that expand and also contract as concrete moves. The elastomeric liner exceeds the tensile strength of concrete. If you deliberately tried to pull the liner off the concrete, you would have to exceed 500 PSI in pulling strength. So, this elastomericbased lining is well bonded to concrete, no matter what the concrete does. For more information, E-mail: kcc@kcccontrol.com

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Water Supply

Rethinking the risks and benefits of fluoridation By Sheldon Thomas


mong the responses to my article ‘What are the long-term effects of fluoridation?, published in the September/ October 2012 edition of Environmental Science & Engineering Magazine, it was correctly pointed out that I am neither an expert on public health or a medical doctor. I am, instead, a student of drinking water quality and of the infrastructure systems that deliver finished water to Canadians. I can assure you, however, that I have been a very good student for 38 years. For 36 of those 38 years I accepted fluoridation as just another step in drinking water production. Then I viewed a tape of Dr. William Hirzy, senior scientist at the USEPA’s Risk Assessment Division Office of Pollution Prevention and Toxics, addressing a U.S. Senate Committee on Environment and Public Works. Dr. Hirzy was representing the USEPA Union of Scientists, and their collective plea was for Congress to impose an immediate moratorium on water fluoridation. Let me highlight something that is a matter of record. The USEPA administration does not condemn fluoridation, but the scientists and health professionals in its employ do - all 1,500 of them. The USEPA scientists who so strongly object to fluoridation include seasoned biochemists, pharmacologists, teratologists and toxicologists. Dr. Hirzy pressed for a fluoridation moratorium because his research, and the studies of many others, strongly indicated that ingested fluoride ion, once entered into the bloodstream, does harm to both soft and hard tissue. I recommend that every open-minded drinking water professional watch Dr. Hirzy’s video. (http://www.youtube.com/watch?v=hRLz 4a7lDVM) There is an assumption that health professionals and medical doctors offer the only trustworthy opinion on the health effects of fluoridation. I suggest that the most trustworthy opinion would be one offered by a competent researcher who has made it his/her mission to understand how chronic exposure to low concentra36 | January 2013

How many fluoridating municipalities test their citizens before agreeing to start or to continue fluoridation?

tions of fluoride ion can affect humans and animals. As a water professional, I want to hear from that person. There is a list of well-known health organizations, the List of 901, which has been cited for years by those who promote fluoridation. The List, however, is losing membership as organizations rethink their support of fluoridation. The National Kidney Foundation2 and the National Research Council3 are two organizations that have recently struck their names from the List. In 2011, The International Academy of Oral Medicine and Toxicology, in a letter to the CDC, stated that it would never go on the List4. Even the Oral Health Division of the Centers for Disease Control and Prevention (CDC), although remaining on the List, has significantly adjusted its assessment of fluoridation. The CDC has twice conceded (in 1999 and 2001) that the best use of fluoride in preventing dental caries is to apply it directly to the teeth, via toothpastes or fluoride gels. Toothpaste has 25,000 times more fluoride than saliva fortified by injested fluoridated water.5 Since the List has been so instrumental in directing opinion on fluoridation, let’s have a look at some of its signatories. The World Health Organization

(WHO) does favour fluoridation. But what is often ignored by proponents is the WHO’s precautionary caveat that water fluoridation programs should not be entered into unless the municipality/water authority has conducted prior tests on residents to establish their total daily fluoride intake from all sources of food and beverage and environmental exposures. If fluoride intake is already at, or beyond, a level deemed protective of teeth, adding it to drinking water would be an excessive measure. How many fluoridating municipalities test their citizens in this manner before agreeing to start or to continue fluoridation? I am sure that the WHO would prefer that its full statement be known.6 Health Canada is prominent on the List. Health Canada literature suggests that fluoridation is just a topping up of the natural fluoride that is already present in source water. That would be true if we were topping up natural calcium fluoride concentrations with additional calcium fluoride. The chemicals commonly used to deliver those additional fluoride ions are actually synthetic silicofluorides, the most favoured for use being hydrofluorosilicic and hexafluorosilicic acid. These continued overleaf...

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Water Supply chemicals are normally classified as regulated category 1 toxic wastes7 but they become environmentally acceptable, and fit to ingest, the moment that they are relabeled as water treatment ‘products’. Health Canada states that these, and other silicofluorides, are safe and effective for use as fluoridating agents. But upon what does Health Canada base those assurances? In response to an information petition submitted to the Office of the Auditor General in 2008, Health Canada had to reveal that it “does no research on silicofluoride chemicals”8. So, Health Canada cannot speak to the safety of silicofluorides from any results of in-house testing. Health Canada relies, instead, on NSF International (NSF), a private industry consortium, to test, certify and assure that silicofluoride chemicals are safe for use in drinking water. Unfortunately, if you read its literature closely enough, you’ll note that NSF does not offer that assurance at all.9 NSF examines water treatment chemicals and additives to attest that they meet already established government health

guidelines, and certifies them ‘appropriate for use’ if they do.10 An important distinction here is that NSF does not certify any chemical to be ‘safe for use’. In its own carefully worded disclaimer in the foreword of ‘NSF/ANSI Standard 60’, NSF does not presume to tell anyone what to do with the chemicals that it certifies. Nor does it hold itself responsible for the performance of any of the chemicals that it certifies.11 Chemical ‘safety’ is a measurement of performance. Normally, NSF requires manufacturersupplied toxicological testing of all drinking water treatment chemicals and additives before granting Standard 60 certification10. One is left to wonder why NSF, still missing the good-to-go paperwork on silicofluorides, has not pressed harder for the mandatory toxicology tests. While awaiting those tests, NSF has adopted a different approach to its certification of silicofluoride chemicals. Using hydrofluorosilicic acid (HFSA) as an example, NSF has chosen not to examine the chemical compound as a single product.10 Instead, NSF simply identifies all of the combined constituents of HFSA, in-

cluding the co-contaminants commonly found within the acid, and examines them separately for government guideline compliance. If none exceed the MACs or MCLs established by Health Canada or the USEPA, NSF certifies HFSA as appropriate for use. There are some who maintain that HFSA toxicology studies are unnecessary. They subscribe to the belief that, as soon as HFSA is fed into drinking water, it ‘dissociates’ completely and reliably into its major components, silica and fluoride ions12. That theory can best be described as hopeful. In 2001, the USEPA was called before Congress and, under oath, had to admit that it had no credible evidence that HFSA fully dissociated in municipal drinking water13. After five decades of fluoridation, the USEPA could find nothing to defend the use of HFSA. At the same hearing the USEPA also revealed that it had “no information on the effects of silicofluorides on health and behaviour.”13 I’ll end examination of the List by discussing the promotion of fluoridation by the Canadian Dental Association (CDA).

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Water Supply The CDA joins its voice to 44 other dental organizations on the List of 90 to announce that fluoridation is both safe and effective. But, unfortunately, there is nothing in dental training that positions any dentist, or dental organization, to speak authoritatively about the interaction of the fluoride ion with soft and hard tissue throughout the body. For any dental association to claim that fluoridation is safe, it must be able to supply proof that highly-reactive ingested fluoride ions do not cause harm to any part of the complicated human organism on their way to the teeth. There are, on average, 60,000 miles of blood vessels14 and 30 trillion red blood cells that sustain every nook and cranny of the human body. The CDA is asking us to believe that the fluoride ion, a known enzyme killer15, is going to leave untouched all of those blood cells16 along a journey the equivalent distance of 2.5 times around the planet. As for the benefits of fluoridation, that so out-weigh the harms, the CDA could tell you about a $3.7 million study conducted by the National Dental Research


Institute (NDRI) in 1986. It was designed to measure the effect of fluoridation on dental caries reduction after 40 years of drinking water fluoride ‘adjustment’. Dental researchers selected 84 different school districts, spread across the United States, comparing dental caries of children in fluoridated communities with those in non-fluoridated communities.

It is worth pointing out that there are some long-established scientific/medical organizations that are not on the List. They include the Nobel Institute, the Pasteur Institute and the National Academy of Science. These celebrated scientific icons offer a markedly different assessment of the safety and benefits of fluoridation.

For any dental association to claim that fluoridation is safe, it must be able to supply proof that highly-reactive ingested fluoride ions do not cause harm. They compared the dental records of 39,207 school children of the same age group. The data revealed that fluoridation didn’t work. In what was anticipated to be a landslide victory for fluoridation, the data revealed that there was no statistical difference between dental caries recorded in fluoridated communities and dental caries recorded in non-fluoridated communities. There are several other large studies that reveal very similar findings to the NDRI study.17

The National Academy of Science (NAS) conducted a landmark review of all of the available literature on fluoridation, publishing a report in 2006 titled, ‘Fluoride in Drinking Water: A Review of the EPA’s Standards’. It took a balanced (not for, not against) panel of selected researchers 3.5 years to wade through and analyze the subject material. The panel concluded that there was strong evidence that linked fluoridation to a multitude of continued overleaf...

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Water Supply human degenerative conditions and diseases.18 The panel sent a clear and urgent message to health authorities and governments to fast-track studies to further examine water fluoridation’s links to cancers, hypothyroidism, Alzheimer’s-like symptoms, skeletal degeneration, and childhood IQ and behavioural deficits. In spite of the findings of the NAS (a health advisor to governments for 150 years), Health Canada still maintains that there is no credible evidence that water fluoridation causes any harm other than mild dental fluorosis, something that it classifies as a ‘cosmetic condition’.19 Let’s talk a little more about the chemicals at the heart of all of this. Health Canada appears to struggle to properly classify fluoridating chemicals. It has tried to brand fluoride as an essential nutrient20, when in fact the body ticks along quite nicely without it.21 In 1979, the US FDA found the nutrient claim so absurd that it ordered government documents to cease making the statement. Then Health Canada tried to convince us that fluoride was a ‘dietary fortification’. That doesn’t fly either, as a body with no biological need for fluoride does not need to be for-

tified with more. Health Canada seems to have settled on classifying silicofluoride chemicals as water treatment chemicals. I have real difficulty accepting silicofluorides to be treatment chemicals. There is no apparent role for fluoride in the conversion of raw water into finished drink-

Silicofluorides are added to drinking water singularly for their alleged ability to reduce dental caries. They are used in an attempt to suppress the disease of dental caries. ing water. We produce drinking water that meets all of the requirements of the Safe Drinking Water Act in Ontario without having to add a drop or a crystal of silicofluoride chemical. So, in the treatment of drinking water, how do fluoridation chemicals ‘treat’, exactly? The answer (and not a very good one)

is found in the AWWA ‘Water Dictionary’, Second Edition, page 670. Look up ‘water treatment’, and you will find: (1) The act of removing contaminants from source water by the addition of chemicals, filtration and other processes, thereby making the water safe for human consumption. (2) The act of adjusting water quality to satisfy the requirements of any end use. Fluoridation chemicals do nothing to fulfill the first part of the definition, but they slip nicely into the second part. Silicofluorides are added to drinking water singularly for their alleged ability to reduce dental caries. They are used in an attempt to suppress the disease of dental caries. They serve as a medication. They act as a drug. That is their end use. Water professionals should be asking themselves what, if anything, part (2) of the definition has to do with part (1). Part (2) appears to have been inserted into the definition to add credibility to the use of chemicals that have no role in the production of potable water. Also, “to satisfy the requirements of any end use” is language that calls for some serious explanation. How many end uses do authorities envision for the drinking water supply?

Richmond clean tech innovator launches new global brand as OCION Water Sciences Group. After cleaning algae and bacteria from millions of liters of water globally, EnvirEau Technologies is rebranding as OCION Water Sciences Group. This rebranding renews the focus on global growth through expansion of marketing and development to benefit industry, agriculture, food processors and people who rely on water, the world’s most precious resource. “As a name, OCION evokes a world of clean, clear water. It also embodies the word ‘ion’, representing the natural mineral foundation of our clean technology,” says CEO M.J (John) Klippenstein. The company’s original founder and innovator, President Frank R. Varseveld expands “The OCION Water Sciences Group mission is to help the millions who lack access to safe drinking water, and municipal, agricultural and industrial systems that need water to work better.” For more on OCION Water Sciences Group, its products and technology, contact OCION President Frank Varseveld at 604-270-2639 Ocion Water Sciences Group

40 | January 2013


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Water Supply Water professionals should also be reminded that NSF states openly that as many as 15 different contaminants could be in any shipment of HFSA. It’s noteworthy that NSF does not require the removal of any contaminant. It just requires that they not exceed anyone’s MAC, or MCL. Shipments of HFSA are accompanied by a manufacturer-supplied Certificate of Analysis that frequently lists lead and arsenic as present in the acid, along with their concentrations. Lead is a probable carcinogen22, and arsenic is an established carcinogen.23 Ontario Drinking Water Quality Standards require that the concentration of arsenic in finished water not exceed 1 ppb. Health Canada stated, in 2006, that every effort should be made to keep arsenic out of drinking water.24 Unfortunately, adding HFSA after treatment often introduces arsenic, contrary to the Health Canada recommendation. But, with arsenic getting diluted in drinking water by about 240,000 to 1, is it really that big of a deal? Let’s look. NSF states that arsenic is five times more common than any other contaminant of HFSA. And it’s usually there in the highest concentration of any25. NSF calculates that the arsenic typically found in HFSA will dilute down to just under 0.5 ppb in drinking water25. So, clearly, the use of HFSA can add approximately .5 ppb of arsenic. So, how scary is half a part per billion of arsenic? That’s enough to cause a fatal cancer in 1 out of 10,000 who drink fluoridated water. The cancer estimates are the work of the National Resources Defense Council (NRDC)26, using data provided by the National Academy of Science, data which the NAS earlier extracted from the USEPA’s own database. I found these estimates disturbing enough to contact the NRDC directly last summer to learn more about its February 2000 Report, "Arsenic and Old Laws". The NRDC still stands firmly behind its report, and the cancer estimates are based upon a standard, scientifically-accepted modeling methodology. How do drinking water professionals react to this kind of information? Do we dismiss it because it’s too shocking to possibly be true? Do we dismiss it because all of those on the List claim such things cannot be so? Faced with continuing debate over the merits of water fluoridation, civic-minded councilors struggle to identify the right path. Water treatment operators and managers are highly-skilled, licensed and dedicated to the provision of high quality drinking water. They are the stewards of safe drinking water, working at the very start of the process. Trained as they are, they are also less likely to be influenced by the old, and dangerous, fluoridation promotions that crumble in the light of emerging evidence and modern scientific methodology. Councilors hear regularly from the List. They need to hear more from the Water Stewards.

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Mixed oxidants show disinfection benefits for municipalities


unicipalities in Canada have been using mixed oxidant chemistry on a trial basis and have found that mixed oxidants are a viable alternative to gas and hypochlorite disinfection. The most significant advantage over gas chlorination or hypochlorination is an ability to maintain chlorine residuals further along the water distribution system, due to better biofilm removal. Other noted advantages of mixed oxidants are ease of operation with self-cleaning electrolytic cell on-site generators, fewer safety issues in comparison to gas chlorination, and lower costs compared to purchasing hypochlorite in bulk. For compliance with provincial requirements, the mixed oxidant solution is measured and dosed as free available chlorine (FAC) and therefore the same disinfection requirements for gas chlorination and hypochlorination will apply. How on-site generators work While many different types of on-site generators (OSG) are available, there are a number of components that almost every OSG uses (see Figure 1). Water coming into the OSG first goes through a softener, after which it is split into two lines. One line feeds directly into the electrolytic cell, while the other is used to fill the brine tank. The brine tank stores a concentrated salt solution, prepared by having an excess of salt in the tank so that the solution is near-saturated brine. It is then injected into the softened water stream entering the electrolytic cell. When the dilute salt solution is inside the electrochemical cell, a current is passed through the cell, producing the oxidant (sodium hypochlorite or other oxidants) solution. After leaving the electrolytic cell, the oxidant solution is stored temporarily in the oxidant tank and is then metered into the water moving through the treatment process. Hydrogen gas is also produced inside the electrolytic cell, and the hydrogen is removed from the cell and oxidant storage tank through vents. The electrolytic cell, where the oxi42 | January 2013

Figure 1: Process Schematic.

Figure 2: Superior biocidal efficacy of MOS.

dants are actually produced, is central to the OSG. Electrolytic cells consist of two electrodes, the anode and cathode, arranged so that both make contact with the mixed water and brine solution. When the OSG is activated, a voltage is applied to the cell so that current flows through the cell, causing chemical reactions to take place at the surfaces of both electrodes that eventually produce the disinfectants. The overall chemical equation for reaction of salt (NaCl) and water (H2O) to form sodium hypochlorite (NaOCl) is: [1] NaCl + H2O —> NaOCl + H2 Oxidation reactions are carried out at

the anode where two chloride ions (Cl-) are stripped of one electron each to produce chlorine gas: [2] 2Cl- —> Cl2 + 2eDepending on the physical and working parameters of the cell (e.g., electrode to electrode spacing, cell applied potential, etc.) it is also possible to produce oxidants other than chlorine, which can provide enhanced removal of microbiological contaminants from water, and other benefits. After the chlorine gas is produced, it dissolves in water to produce hypochlorous acid (HOCl), in the same way that bulk chlorine gas from cylinders acts:

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Disinfection [3] Cl2 + H2O —> HOCl + H+ + ClChlorine production is balanced by the reduction reactions that occur at the cathode where water (H2O) is converted into hydroxide ions (OH-) and hydrogen gas (H2): [4] 2 H2O + 2e- —> 2 OH- + H2 During electrolysis, hydrogen gas is produced as bubbles that must later be removed from the OSG and oxidant storage tanks to prevent gas buildup. The hydroxide ions produced at the cathode then react with the hypochlorous acid produced at the anode, producing the hypochlorite anion (OCl-), which is charge balanced with sodium cations (Na+) that originally came from the salt: [5] HOCl + OH- —> H2O + OClTypically, the pH of oxidants that OSGs produce is around 9. The addition of these solutions often does not alter the pH of the water that is to be treated. Overall reaction: [6] NaCl + H2O —> NaOCl + H2 Mixed oxidants Mixed-oxidant solution (MOS) is made from exactly the same process and feed stock as 0.8% sodium hypochlorite

Figure 3: Chlorine versus mixed oxidants in the distribution system.

as described above. The MOS is produced by electrolysis of NaCl brine in an electrolytic cell that has been optimized for disinfection efficacy. This solution exhibits microbial inactivation properties that are superior to bleach alone. In MOS, free available chlorine (FAC) is the primary analyzable oxi-

dant constituent. However, the chemical produced from MOS generators shows demonstrable differences from bleach in both field and laboratory studies, indicating the presence of other oxidant species beyond FAC alone. The additional oxidant species in continued overleaf...

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Figure 4: DBP reductions with mixed oxidants.

MOS are responsible for enhanced biocidal efficacy (demonstrated on a variety of micro-organisms), as well as enhanced behaviour in several chemical processes important in water treatment. Figure 2 shows one example of the superior biocidal efficacy of MOS compared to sodium hypochlorite/bleach (NaOCl). There are several results published in the peer-reviewed literature that have demonstrated this superior efficacy. Analytical method limitations include FAC interference. A major obstacle to de-

termining additional oxidant species present in MOS is the lack of analytical techniques for differentiating oxidants. Researchers continually improve oxidant analyses for FAC, ozone (O3), hydrogen peroxide (H2O2) and chlorine dioxide (ClO2). Almost invariably, however, each of the methods is based on the total oxidizing capacity of the solution being analyzed and is readily subject to interferences from the presence of other potential oxidizing agents or intermediates from associated chemical reactions. This is

especially true for analyzing additional oxidants in the presence of FAC. By the 2000s, a growing body of evidence for H2O2 and/or other reactive oxygen species in MOS had emerged. The chemical and biocidal behaviour of MOS, coupled with potentials measured at the anode of the electrolytic cell, suggest the presence of other oxidants including reactive oxygen species (ROS). ROS are present in solutions of nonchloride brines electrolyzed under electrolytic conditions similar to those for producing MOS. More recent research on the chemical species present in MOS using non-chloride brines has provided evidence that stronger oxidants than chlorine (likely ROS) are present in the solution. O3, H2O2, and hydroxyl free radicals (.OH) were detected at the point of generation. The longevity of each of these species in MOS is still not established, although that of O3 and .OH is expected to be short — milliseconds to seconds. This explains why no O3 is detected in the bulk MOS. Literature data suggests that at higher pH levels, such as those found in produced MOS, H2O2 has the potential to last hours

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44 | January 2013

Environmental Science & Engineering Magazine

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Figure 5: DBP reduction timeline.

to days in a chlorine matrix. The benefits that customers have experienced with mixed oxidants over the last 15 years include: • Enhanced residual. • Reduction and disinfection byproducts - reduced total trihalomethanes (TTHMs). • Improved taste and odour (T&O). • Biofilm control. • Micro-flocculation — reduction of coagulants at surface WTP. • Improved oxidation, e.g., for arsenic, iron, manganese. Enhanced residual Figure 3 provides evidence of municipalities using chlorine gas or bulk hypo and experiencing typical chlorine residuals seen at the end of the distribution system. These water municipalities made a switch over to mixed oxidants. Cedar Knox, Nebraska, and North Table Mountain, Colorado, were able to reduce their dose and achieve a higher chlorine residual with mixed oxidants. In these cases the municipalities were dealing with biofilm issues.

Engineers often ask how long it takes to see these types of reductions. It all depends on the complexity, size and severity of biofilm. A Montana State University study confirmed that MOS is able to penetrate the polysaccharide film that biofilm uses to attach to the distribution system walls. In all these instances there had to be a public awareness program as well as a flushing program to remove the particulate from the distribution system so it did not go into people’s homes. Reduction of disinfection byproducts The maximum contaminate level (MCL) for trihalomethanes is 80 parts per billion. Figure 4 shows several communities that were close, exceeding, or very close to TTHM maximum contaminant limit while utilizing chlorine. When they made the switch to mixed oxidants they were able to reduce concentrations to below or further below the 80 parts per billion MCL. This is all attributed to the removal of the biofilm. When they were able to remove the biofilm, they were able to reduce the amount of chlorine that was being injected into the distribution system. With the reduction in chlorine, there is less of a reaction to the organic material that is in the water, which creates the disinfection byproduct. www.esemag.com

Figure 6: Biofilm in the distribution system with chlorine.

Engineers often ask how long it takes to see these types of reductions. It all depends on the complexity, size and severity of biofilm, as well as the size of the distribution system. In Greenfield, Iowa, the amount of disinfection byproduct formation at both the treatment plant and the distribution system was reduced over a three-month period from the time of the first injection of the mixed oxidant. (See Figure 5.) Diana Water Supply Corporation in Texas provided Figure 6. There were simultaneous main breaks in an area where sodium hypochlorite was still being used and another area using mixed oxidants. In the area with sodium hypochlorite, the biofilm is still evident in the pipe distribution wall. This confirms the study of biofilm done by Montana State University. For more information, contact Jean Grenier, Parkson Corporation. E-mail: jgrenier@parkson.com

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Wastewater Treatment

Unique wastewater solution for remote mining and energy exploration camps


he harsh and remote locations of camps serving the natural gas and oil industries mean basic infrastructure such as water and wastewater presents unique challenges to both residents and operators. Wastewater infrastructure for these camps can take on many forms and, in some cases, yield benefits beyond just the treatment of wastewater. Over the past couple of years, two similar but uniquely different wastewater systems have been installed and placed into operation at remote camps in Wyoming and Alaska. Natural Gas Camp Rock Springs, Wyoming Southern Wyoming’s harsh open plains are the home for many oil and natural gas workers. In 2009 a new camp outside of Rock Springs, Wyoming, became operational. It generates 20,000 to 40,000 gallons of wastewater per day. The treatment system chosen was an AeroCell® fixed film media filter, manufactured by Quanics, Inc. and installed below grade at the site. The media filter consists of pre-engineered and constructed fiberglass modules containing open cell foam cubes.

The patented open cell foam media has been researched and utilized for effective wastewater treatment since the early 1990s. As with all media filters, the media itself serves to allow microbial attachment for biological breakdown of the wastewater constituents, as well as physical filtration of organics. Wastewater from the camp is pumped via a grinder lift pump into a series of three 40,000 gallon fiberglass pretreatment tanks outfitted with effluent filters. Because the sewage is ground into a fine slurry, additional tanks were required to allow adequate settling of finely ground solids. Wastewater flows via gravity into a fourth 40,000 gallon fiberglass recirculation tank. This tank is equipped with four duplex pump systems. Pretreated effluent is alternately dosed into two banks of four AeroCell treatment modules. Each module contains 400 ft3 of open cell foam media. After passing through the open cell foam media, 80% of the effluent is returned back to the recirculation tank to undergo further treatment. The remaining 20% is discharged through multiple tablet feed chlorinators, where it is super chlorinated to 50 ppm. Treated and chlorinated

water is then pumped into large vertical storage tanks for reuse at the facility. The AeroCell system was designed to achieve secondary effluent quality and has been in continuous operation for over three years. During this time, effluent samples have been collected and analyzed for BOD, TSS and fecal coliform on a weekly basis by a third party. Results of these weekly samples show an average effluent value for BOD of 21 and TSS of 8. Fecal coliform values have consistently been non-detectable. Oilfield Camp on the North Slope of Alaska The “North Slope” of Alaska is one of the harshest environments in the world in which to survive, let alone work. Temperatures can reach -70 degrees F and wind chill factors can reach -100 degrees F. In such an environment, equipment must be reliable, simple to operate, and easy to maintain. A new camp being constructed in 2009 was in need of a wastewater treatment system. It would discharge to an environmentally sensitive area that is predominantly tundra and wetlands. Therefore, effluent would have to comply with the State of Alaska Department

The treatment system chosen was an AeroCell® fixed film media filter, manufactured by Quanics, Inc. and installed below grade at the site. 46 | January 2013

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Wastewater Treatment

After passing through the open cell foam media, 80% of the effluent is routed back to the recirculation/pump tanks.

of Environmental Conservation’s secondary treatment standards for BOD (30 mg/L), TSS (30 mg/L), and fecal coliform bacteria (40 Col/100mL). In addition, the system had to be energy efficient, easy to operate, reliable, and require little operator skill and oversight. The wastewater system selected would need to be capable of handling 4,000 gpd of domestic strength wastewater generated from the camp and be completely self-contained and mobile. The Synergy™ system from Quanics was selected to meet both these requirements. The heart of the system is the treatment modules containing open cell foam media. That technology is installed inside a standard 53’ trailer, which is insulated, plumbed, wired and heated before leaving the factory. The mobile nature of the trailer allows the system to be set up and shut down quickly and easily, so that it may be relocated.

Tanks are installed inside an insulated and heated ATCO structure.

which consists of a 2,400 gallon aerated equalization tank, followed by four 2,400 gallon settling tanks (with effluent filters) connected in series. All are installed inside an insulated and heated ATCO structure. Effluent filters with progressive filtration were installed in each settling tank. As the wastewater flows through the series of tanks, settleable solids, floating solids, and some suspended solids are removed through a process of clarification and filtration. Effluent from the primary treatment tank trailer is transferred to the Synergy trailer, where secondary treatment is achieved. The Synergy trailer consists of 6,000 gallons of recirculation/pump tankage and two Aerocell trickling filter units. After passing through the open cell foam media, 80% of the effluent is routed back to the recirculation/pump tanks for further treatment. The remaining 20% flows

The heart of the system is the treatment modules containing open cell foam media. Design consisted of a primary treatment trailer (equalization tank, and a series of settling tanks with effluent filters) followed by a 5,000 gpd Synergy mobile wastewater treatment trailer. The design was reviewed and approved for construction by the State of Alaska Department of Environmental Conservation. Wastewater from the camp is first pumped to the primary treatment trailer, www.esemag.com

through a chlorination/de-chlorination system and then discharges directly to the tundra. During periods of low usage, such as at night, a valve on the 20% discharge line closes and 100% of the effluent is routed back to the recirculation/pump tanks, thus “super treating” the effluent. The camp was moved to two different sites during the drilling season. Operators were extremely pleased with the op-

eration and ease of use of the Synergy system. There is no need to return sludge, waste sludge, monitor dissolved oxygen levels, or run settleometer tests. All that is required is a periodic check of the tablet chlorination system. In short, virtually no operator skill is required. The average sampling result for the months of March and April was 14.4 mg/L for BOD and less than 10 mg/L for TSS. The highest BOD level tested (four tests) was 14.9 mg/L. It should be noted that the system was hydraulically and organically overloaded by 20-40% during this sampling period. In spite of this, it performed flawlessly. Summary The Wyoming and Alaska camp wastewater systems utilize the same fixed film media filters as the heart of the treatment process. However, each system was engineered and configured based upon the climate, mobility requirement and discharge parameters for the individual site. The unique nature of these types of camp facilities requires engineers, camp operators, regulatory officials and equipment manufacturers to work together to develop and implement viable and unique wastewater solutions. For more information, E-mail: bborders@quanics.net, or visit www.quanics.net

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Wastewater Treatment

New device provides wastewater aeration in collection systems By Vahram Mkrtchyan, Tariel Mkrtchyan and George Katsarov


he objective of a recent study in Armenia was to improve sewer system operation, while reducing influent BOD. For this purpose, studies were performed in wastewater systems with piping of various materials and various diameters. Results have shown that biomembrane is formed on the walls of the pipes and in inspection and cleaning chambers, manholes and service connections. It was observed that, when the wastewater flow velocity is 0.3 – 2.0 m/s, and the temperature is within the range of 17 – 21 C, the biomembrane thickness reaches 2-10 mm. It is fully formed during 70-75 days, after which its thickness does not change much. Throughout the whole wetted perimeter, a thicker biomembrane is developed in the zone of the free flow surface where, as a result of free aeration (air contact), the quantity of dissolved oxygen is relatively higher than at the bottom of sewers, where the biomembrane thickness is minimum. This is a result of abrasion by sand and other solid contaminants moving in the lower layers of the flow. The thickness of biomembrane depends mainly on wastewater flow velocity, as well as dissolved oxygen, temperature and other elements. However, in the case of high velocities, the upper layers of biomembrane fail and are removed with the wastewater flow. The greater the velocity, the smaller is the biomembrane thickness. The studies have also shown that the biomembrane that is fully removed from the pipe wall, due to high flow velocity, will recover itself within 20 – 30 days. Biomembranes formed in the pipes are close in physical nature to those formed in biofilters. They promote biodegradation and mineralization of organic matter during wastewater move-

The aerator disks rotate thanks to the dynamic pressure of the wastewater and the friction force formed at the surfaces of the disks.

aeration treatment structure. The smaller the pipe diameter, the quicker is the biomembrane recovery.

The disk aerator is installed at a height that will not interfere with free flow of wastewater. ment. Thus, the wastewater collection network, where wastewater moves in contact with free air, is a natural preliminary 48 | January 2013

The highest oxygen demand for treatment is in the sewer, where wastewater has the highest concentration of contaminants.

Therefore, rapid oxygen consumption and deficit of oxygen takes place in the sewers thanks to the pre-aeration due to air penetrating the network. Therefore, it is possible to use the collection network as a pre-aeration system, implementing preliminary artificial aeration methods within it. As a result of network pre-aeration, wastewater will be enriched with dissolved oxygen, and the BOD of wastewater influent to the treatment plant will be decreased. This will result in reduction of

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Wastewater Treatment Figure 1.

1. Inspection chamber. 2. Collector pipe. 3. Disk aerator. 4. Bearing. 5. Rotating spindle.

treatment facilities’ sizes and operation costs. Also, network ventilation will improve and pipe corrosion will be reduced. Studies showed that in wastewater collection systems it is possible and feasible to apply mechanical pre-aeration methods. For this purpose, a simple mechanical aerator has been developed, and it is being used in wastewater networks in Armenia. The model is being patented. It is a simple disk aerator, which includes a number of vertical disks of various diameters fastened on a metallic


horizontal spindle. At the ends of the metallic spindle there are bearings, which allow rotation. The disks are circular and are made of corrosion resistant materials. The diameter and quantity of the disks are selected depending on the diameter of the sewer. (See Figure 1) The disk aerator is installed in the inspection/cleaning chamber/manhole at a height that will not interfere with free flow of wastewater. The aerator disks rotate thanks to the dynamic pressure of the wastewater and the friction force formed at the surfaces of the disks. Rotation speed depends on the size of the disk surface submerged and wastewater flow velocity. The size of the aerator is determined by the maximum and minimum fullness of the sewer, in order that it is always submerged. During rotation, the disks provide mixing of free air and wastewater. This results in an increased level of dissolved oxygen in the wastewater. Over time, the rotating disks are also covered with biomembrane, becoming disk biofilters. According to initial assessment of the aerator performance tests, BOD removal in the collectors

was around 5 – 7%. Currently, studies are being performed for assessment of the aerator’s impact on other wastewater parameters, including efficiency of initial treatment. The main advantages of this aeration system are: no electric power is required; easy operation and maintenance; no rapidly wearing parts; can operate at different liquid levels. The equipment can also be installed on the wastewater treatment plant’s discharge pipe, to provide post treatment. This aeration equipment can be efficiently used not only in regular municipal wastewater systems, but also in some long sewers, where wastewater movement velocity reaches 2.3 m/s. Vahram Mkrtchyan is with JINJ Engineering Co. in Yerevan, Armenia. E-mail: vahram86@hotmail.com Tariel Mkrtchyan is a PhD student at Rostov State University. George Katsarov is a CESO volunteer adviser. E-mail: gkatsarov@sympatico.ca

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Odour Measurement

New Canadian technology allows cost-effective, accurate in-field odour measurement

A Scentroid SM100 being used to analyze odours from a sample bag.


he evaluation of odour emissions has always been a challenging and costly problem for industries such as wastewater treatment, agriculture, oil refinery and chemical manufacturing. In Canada, the standard procedure for predicting ambient odour concentration is to contract specialized environmental consultants to take sample gas emissions from multiple locations and transport them to a laboratory for analysis by a dynamic dilution olfactometer. This procedure is often very costly and can be a logistical nightmare, due to the 24-hour expiry of samples caused by odour degradation. Therefore, plant operators may perform odour assessments infrequently 50 | January 2013

and only when required by law or due to complaints by the local population. Historical measurement techniques The need for cost-effective self-assessment was realized more than 50 years ago. This led to the development of the first ambient odour measurement device, which was a rectangular, clear plastic box containing two activated carbon beds on each side. There are six odorous air inlet holes on one end of the box for six different dilution values (2, 7, 15, 30, 170 and 350). The opposite end of the box contains two glass nostril tubes for sniffing. The principle is simple. When the operator sniffs, external air is sucked in known quantity through orifice plates and mixed in with odourless air, obtained by

passing ambient air through the active carbon filters. The operator sniffs the air at a high dilution and slowly increases the size of the orifice until the perception threshold of the sample is reached. The value on the pre-calibrated corresponding orifice represents the concentration of the smell of the air, expressed in number of dilutions compared to the threshold, D/T (Dilutions to Threshold). However, numerous studies performed by odour experts concluded that the values obtained by the device were not at all comparable to those obtained by an odour laboratory. The inaccuracy arose from two main issues: the rate at which the evaluator sniffed had a large impact on the dilution accuracy, and the

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Odour Measurement fact that the supposedly odourless air used to dilute the sample was not always odourless. The activated carbon filters were not always sufficient to clean the ambient air to be used as the zero air. Due to the large measurement errors, these devices are usually not accepted by environmental agencies. A new approach Last year, IDES Canada Inc. developed a field olfactometer from a completely new and fresh perspective. The Scentroid SM100 does not rely on filters to clean ambient air, but rather uses pure air supplied from a small, two kg tank that the operator carries on their back. This feature ensures that the diluting air is completely odourless, regardless of ambient conditions. The evaluator wears a mask that allows them to breathe odourless air during the test and prevents breathing in the ambient air that could affect the sense of smell. The principle of the SM100 closely resembles that of an olfactometer used in any odour laboratory. Odourless air is passed through a venturi device that creates a vacuum to draw in sample air. The


ratio of the odourless air to the sample air is controlled by the evaluator using Scentroid’s flow regulator valve, which has 15 set positions that correspond to specific dilution. The unit can be configured in the field to have different dilution ranges to gain further accuracy. The diluted sample

Scentroid SM100 features an extremely wide measurement range for a portable device, starting at 2 odour units (OU), corresponding to a barely detectable odour, to 30,000 OU, for an extremely strong odour not usually found in ambient air.

The Scentroid SM100 does not rely on filters to clean ambient air, but rather uses pure air supplied from a small, two kg tank that the operator carries on their back. is presented to the evaluator through the Teflon nose mask. The operation of the Scentroid SM100 is fairly simple and straightforward: 1. Wear the Teflon mask and portable compressed air tank. 2. Open the air valve to purge nose with three minutes of odourless air. 3. Slowly open the flow control valve to increase the concentration. 4. Stop when the odour becomes detectable. 5. Read from the valve position indicator to get the sample strength.

The instrument features a dedicated sample bag connection that allows it to measure not only ambient air, but also samples stored in a Tedlar bag. This feature is extremely useful in measuring odour concentrations emitted from biosolids, liquid surfaces or smokestacks, using flux chambers or other sampling methods. Furthermore, the SM100 can also be used to assess the sensitivity of the evaluators using n-butanol reference gas in accordance with the industry standard EN13725. continued overleaf...

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Odour Measurement Numerous studies have been performed by odour laboratories in Canada, Norway and Italy, comparing the Scentroid SM100 with accredited laboratories using dynamic dilution olfactometers.

than 30%. Results showed that minimal training requirements and capacity to conduct n-butanol screening allows anyone to act as an evaluator. The second case study performed by

The ease of use and high accuracy of the SM100 opens new perspectives for those who manage potentially odorous systems. An extensive study was performed by Dr. Knut Wiik, of the odour laboratory Purenviro in Norway, to assess the accuracy, repeatability and ease of use of the SM100. The first case study was performed at a fishmeal factory. Three local candidates, with no previous olfactometry experience, were chosen and given 10 minutes of training on the use of the SM100. Panelists were screened using n-butanol to have a fairly similar sensitivity. They were then instructed to measure the odour intensity of the same sample bag consecutively. All panelists were able to operate the machine properly and the total variance in measured odour strength was less

Dr. Wiik compared the odour strength of samples collected at a local landfill, wastewater treatment plant and fishmeal factory, using the SM100 and Purenviro’s accredited six-panel olfactometer. This study showed that the SM100 results are exceptionally accurate and compatible with those obtained by the accredited laboratory. Another case study was performed by Anna Bokowa of Ortech in Mississauga, Ontario, to compare the SM100 and its inhouse eight-panel olfactometer on samples collected from inlets and outlets of a biofilter. This showed that in all instances the SM100 results were extremely precise and within the accuracy of the stationary

olfactometer. The ease of use and high accuracy of the SM100 opens new perspectives for those who manage potentially odorous systems. The low cost of the system allows plant operators to save substantially on lab fees, as well as to conduct more frequent self-assessment. The supplementary data can be very beneficial when dealing with complaints that may arise from the neighbouring population. In addition to plant operators and odour consultants, the SM100 is also being used by government field inspectors, such as those from the Ontario Ministry of Agriculture, Food and Rural Affairs, to conduct quick and cost-effective odour impact assessment. For more information, please visit www.scentroid.ca or E-mail: info@scentroid.com

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Geotube technology protects New Jersey shoreline from Hurricane Sandy


t the end of October, 2012, Hurricane Sandy hit the Caribbean area and subsequently the eastern coast of the United States with devastating force. Sandy claimed dozens of lives and caused damage amounting to $30 billion. TenCate Geotube® containers had been placed in the dunes in parts of the coast of New Jersey, which restricted the erosion of the shoreline there. To help with dune restoration, dune dikes with TenCate Geotube containers were constructed along the New Jersey shoreline, starting in the 1990s. In 2010, a total of 1.47 km of these containers had been installed. This afforded places such as Ocean City, Sea Isle City, Beach Haven and Atlantic City optimal protection against hurricane forces. No needless precaution, as it turned out recently. The tubular containers in the row of dunes managed to withstand the pounding waves that buffeted the coast as Sandy struck. The tubes lived up to expectations, even though part of the dune was washed away. In September, 2008, 5m-high waves generated by Hurricane Ike, one of the predecessors of Sandy and Isaac, which also hit in 2012, ravaged the coast of Galveston, Texas. The damage remained reasonably restricted thanks to the row of Geotube containers along the shoreline.

Ocean City’s beach after Hurricane Sandy.

Hurricane Irene hit the East coast in August 2011; containers installed at Beach Haven and Ocean City held up and protected properties. TenCate’s long history with marine construction and shoreline protection applications started with the development of nylon bags just after the major flood disaster that hit the south-west of the Netherlands in 1953. This catastrophic event killed 1,850

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people, destroyed 4,500 houses and left 100,000 people homeless. Where other companies in the region decided the future still lay in cotton and other traditional fibers, TenCate accepted the challenge posed by the Dutch authorities and developed a technical textile for use in marine structures. For more information, E-mail: j.mckay@tencate.com

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Automated determination of fecal coliforms studied By Gil Dichter


ecal coliform bacteria are defined as thermotolerant bacteria, which can grow at 44.5°C. The predominant strains are Escherichia coli and Klebsiella pneumoniae. Occasionally, Citrobacter freundii and Enterobacter cloacae are found. Many microbiological methods for the quantitative detection of fecal coliform bacteria in wastewater samples are tedious and laboratory intensive. However, the Colilert-18® with its automated tray system has been demonstrated to be accurate, economical, and simple to use. In addition, confirmation of results is not required. The Colilert-18 test is based on IDEXX Defined Substrate Technology. As fecal coliforms grow in the reagent, they use β-galactosidase to metabolize the chromogenic nutrient indicator, ortho-nitrophenyl β-D-galactopyranoside (ONPG). The solution changes from colorless to yellow when incubated at 44.5 ± 0.2°C for 18–22 hours. The Quanti-Tray® system is an automated most probable number (MPN) method for bacterial enumeration. When used with the Colilert-18 test, it provides automatic sample handling to produce bacterial counts in a 100-mL sample. Procedure A snap pack of Colilert-18 reagent powder is added to a sterile vessel containing 100 mL of wastewater. The sam-

The Colilert-18® with its automated tray system has been demonstrated to be accurate, economical, and simple to use.

ple is mixed well to dissolve the powder and is then added to a Quanti-Tray or Quanti-Tray/2000 tray and sealed with the Quanti-Tray Sealer. The tray is placed into a water bath or incubator that can maintain a temperature of 44.5 ± 0.2°C for 18–22 hours. (Figure 1.) ATP study The Colilert-18/Quanti-Tray method was compared with SM 9222 D to detect fecal coliforms in wastewater. Based on the Alternate Test Protocol (ATP) study, the U.S. Environmental Protection Agency (EPA) determined that it is a suitable method for the detection of fecal coliforms in wastewater. Primary wastewater effluent samples from 10 different locations within the

New England area were approved for use as sources of fecal coliform bacteria for this study, in order to comply with the required hold time. Effluent samples were processed and tested at an EPA-certified laboratory. When necessary, effluent samples were diluted to achieve an inoculum level of approximately 20–50 organisms per 100-mL sample. SM 9222 D m-FC plates required 20–60 colonies per plate. Each effluent sample was analyzed by the Colilert-18/Quanti-Tray method and by SM 9222 D in replicates of 20 per effluent site at 44.5 ± 0.2°C incubation. The sensitivity of fecal coliform detection was determined by comparing the number of presumptive positive responses for Colilert-18 with the number of presumptive

Figure 1.

Step 1. Add powder and mix. 54 | January 2013

Step 2. Pour into Quanti-Tray.

Step 3. Seal Quanti-Tray.

Step 4. Incubate.

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Instrumentation positive responses for SM 9222 D. Specificity was determined by confirming the identity of at least 200 presumptive positive and 200 presumptive negative samples from each test method. Study results The mean value for Colilert-18 was higher than the mean value for SM 9222 D, possibly because SM 9222 D tended to underestimate the concentration of fecal coliforms recovered on the m-FC medium (21.5% false-negative rate). Variance homogeneity (a required parameter for the ATP) in fecal coliform recovery across all matrices for each test method was evaluated using Bartlett’s test. For the Colilert18 test, the variance across the 10 sites was similar, with a mean p-value of 0.308. For SM 9222 D, the variance across the 10 sites was not homogeneous, with a mean p-value of 0.006. Additional analysis using Levene’s test showed good internal consistency (p > 0.05) with Colilert-18, but not with SM 9222 D. Overall, the internal consistency was lowest with SM 9222 D, which appears to underscore the difficulty in interpreting the results of this method with true

environmental samples. Both methods had similarly low false-positive rates. The high false-negative rate for SM 9222 D may be due to the fact that it detects fecal coliform bacteria via active lac-

The EPA determined that Colilert-18 is a suitable method for the detection of fecal coliforms in wastewater when incubated at 44.5°C. tose fermentation, which was absent in 16.5% of the strains in this study. These strains of anaerogenic fecal coliforms belonged primarily to the Escherichia and Klebsiella genera and represented true fecal coliform bacteria that should have been detected. Analysts noted that SM 9222 D can be highly subjective because of varying morphological characteristics of the colonies.

Other fecal coliform colonies may lack blue color because of nontarget organisms competing for nutrients, which interferes with the growth of fecal coliforms. The EPA determined that Colilert-18 is a suitable method for the detection of fecal coliforms in wastewater when incubated at 44.5°C. Conclusions The Colilert-18/Quanti-Tray method met the U.S. EPA acceptance criteria and was shown to be equivalent to or better than SM 9222 D for detecting and quantifying the fecal coliform population from wastewater samples. Facilities can use the Colilert-18/Quanti-Tray method to test for fecal coliforms in wastewater after obtaining regional EPA approval. Many facilities in areas that require fecal coliform testing for wastewater have completed the process and are successfully using the Colilert-18/Quanti-Tray method for wastewater testing. Gil Dichter is with IDEXX Laboratories. E-mail: gil-dichter@idexx.com

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Energy Management

How to tap the energy savings in greywater By Erwin Schwartz


any operators of offices, hospitals, hotels, large condos, and other buildings are aware of the need to save money and reduce their environmental impact, through better water management. The result has been the growth of ways to reduce water consumption, ranging from low-flow showerheads to landscaping that requires minimal watering. Building operators are also aware of a similar need to reduce energy costs, and here too there has been a growth in development and installation of costmanagement measures. Saving energy has its environmental benefits as well, such as reducing greenhouse gas emissions. However, organizations may be missing out on the opportunities that are literally flowing away from them, through the heat energy available to them through the water they dispose of. Wastewater (or greywater) may have been heated through hot-water tanks,

3. Corporate leadership is looking more closely at energy management, partly through applying the international energy management standard ISO 50001. Improvements in systems that help building operators recover heat from the greywater produced by their buildings, include: • A smaller physical footprint, with less need for large spaces for changing out tubes after they become fouled. • Greater reliability, for more troublefree operation. • Better information systems that can quantify the savings gained through greywater heat recovery. For example, consider a relatively small hotel, with 100 rooms, that has its own laundry facility and restaurant. Documented evidence indicates that a well-designed heat recovery system, installed for the hotel’s greywater, would save approximately $232,000 over a 15 year period. For a larger building, such as a residential condominium tower, or

Recovery of heat energy in greywater is particularly important in water-intensive industries, such as pulp and paper plants, dairies and breweries. dishwashers, laundry facilities, industrial processes, or simply from passing through a heated building. The heat in this water is a potentially valuable resource. Rather than being used, however, this heat is wasted as the water is sent into the municipal sewer system. New developments in heat-recovery systems Several trends are forcing building operators to take a closer look at greywater heat as a resource: 1. The need to protect the organization’s financial interests from sudden energy cost increases, by using alternative sources of energy - such as heat that would otherwise be wasted. 2. The need to manage greenhouse gas emissions, through reduced use of fossil fuels - and the interests of many companies in gaining LEED certification for their buildings. 56 | January 2013

300-room hotel, the savings would likely be over $500,000 for the same timeframe. This can be done by having the building’s greywater circulated next to incoming cold water before it goes to the central boiler. Recovery of heat energy in greywater is particularly important in water-intensive industries, such as pulp and paper plants, dairies and breweries. However, heat recovery is also important in sectors that process sludges, including municipal wastewater treatment facilities (WWTFs). Another reason for increased use of heat recovery exchangers is due to recent energy cost increases and the introduction of pasteurization and anaerobic thermophilic digestion processes, as part of sludge digestion in municipal WWTPs. Heat exchangers can also be used to

DDI heat exchanger installed in a narrow hatch in Niagara.

support cooling, which would include reducing the load on air conditioning systems, and helping cool computing equipment such as servers. They can be used to recover energy (heating and cooling) from the huge amount of municipal sewage that flows below the street near the building. Many industrial processes also produce sludges that may contain considerable heat, which represents a valuable resource that should not be wasted. Three approaches to system design There are three main configurations for heat exchange systems: 1. Tube-in-Tube. As the name implies, this technology includes one tube inserted inside another, with the hot liquid (or sludge) in the inner tube. Heat gets transferred to the cooler incoming liquid in the outer tube. This design is not very efficient, due to the low heat transfer compared to other technologies. Another disadvantage is that, in some jurisdictions, double-walled tubing is required for the inner tube, to reduce the danger of cross-contamination. The air space between the two walls inhibits heat transfer. 2. Spiral design. The hot liquid runs through a series of narrow spirals. This design requires small gaps of perhaps two centimetres for the tubes, limiting the amount of solids and sludges that

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Energy Management can be pumped through, to avoid plugging. 3. Rectangular. This design uses rectangular channels, placed in direct contact with each other, with hot and cold channels alternating. Because there is no space between the hot and cold channels, this design maximizes the amount of heat transfer. It allows for thick double walls in the channels for the greywater market, minimizing chances that corrosion or erosion will cause leaks that could contaminate one flow with the other. The rectangular technology provides for a very large gap against plugging, and the controlled width of the channel provides for a fast flow, which prevents baking to the surface. It also allows for easy cleaning, provided there are doors or cleaning ports at both ends of the unit that can open for inspection and maintenance. Conclusion It is important to choose a system that can reliably manage any risk of contaminating the incoming flow with the outgoing flow. In some jurisdictions, this is particularly important if there is a

Primary containment

Six heat exchangers in the City of Tulsa, Oklahoma. Two are used as directsludge-to-sludge heat recovery; two used as hot water to preheated sludge; two used as cold water cooling the processed hot sludge.

chance that the greywater could inadvertently be mistaken for potable water. Specify a system that fits into the geographic footprint available. Some systems require an open space that is longer than the pipes in the recovery unit, so that the pipes can be changed if they leak, corrode or become fouled. Systems should be low-maintenance

Water storage

and, particularly in the case of sludges, designed to avoid plugging (due to small gaps) or baking (due to slow flows) that can reduce efficiencies and require shutdown until repairs can be made.

Secondary containment

Erwin Schwartz is with DDI Heat Exchangers Inc. E-mail: erwin@ddi-heatexchangers.com

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Water Treatment

Natural zeolites remove thallium from mining water By Mark Reinsel and Scott Mason


lthough a relatively obscure metal, thallium is found in many mining waters and, because of its toxic nature, must be removed to low levels. A lowcost natural zeolite, clinoptilolite, has been found to effectively remove thallium from water at a closed gold mine. Thallium is a soft metal now used in electronics, pharmaceuticals and glass manufacturing. Due to its potential toxicity, it is the primary contaminant of concern at the Kendall Mine in Montana. Concentrations of thallium, cyanide, nitrate and other parameters in mine water are decreasing, but it is anticipated that water treatment will be required for the next 10 to 40 years. Treatment will cease once water quality standards and/or background levels are met. Several water treatment technologies for thallium have been evaluated since 1996, including reverse osmosis, biological treatment, sulfide precipitation and other chemical treatment methods. However, none were found to perform as well as natural zeolites. Zeolites have very effectively removed thallium from mine water in bench- and pilot-scale testing, and through operating a 100-gpm treatment system at the Kendall Mine for over 10 years. The zeolite treatment system is advantageous in that it is effective, simple to operate, and generates a nonhazardous waste product (spent zeolites). Toxicity Characteristic Leaching Procedure (TCLP) testing indicates that thallium is effectively sequestered on the zeolites, with less than 1% of the toxic metal being mobile. This system, using a zeolite called chabazite (cab-a-zite), was very effective. However, a review of previous benchscale testing, current operational results and discussions with zeolite providers, suggested that higher loading capacities might be achievable with different zeolite materials. To evaluate performance of a lowercost natural zeolite, clinoptilolite, several sets of bench tests were run using clinoptilolite of different size gradations and 58 | January 2013

Zeolites have very effectively removed thallium from mine water in bench- and pilot-scale testing, and through operating a 100-gpm treatment system at the Kendall Mine for over 10 years.

from different suppliers. Bench test results were promising and led Kendall personnel to operate two pilot tests on-site. Pilot Test #1 A new material, 14x40 mesh clinoptilolite from Steelhead Specialty Minerals, was used in Zeolite Pilot Test #1. The previously-used zeolites are a larger material, 8x20 mesh chabazite from St. Cloud Minerals. The pilot test system used five “mini-columns” in series with gravity flow, which was modeled after the existing full-scale system, which uses columns formerly filled with activated carbon for gold recovery. Each mini-column contained approximately 230 L (180 kg) of clinoptilolite. The maximum flow rate, without overflowing the columns, was found to be 3.9 m3/hr. After results showed that thallium removal improved at lower flow rates, flow was reduced to about 1 m3/hr for the remainder of the test. The human health standard for thallium, which is the effluent limit for the

treatment system, is 0.002 mg/L. Influent concentration of mine water in this test was about 0.6 mg/L. “Breakthrough” was defined as the time when the thallium effluent concentration first exceeded detection limits. The pilot test was operated for 65 days, when consistent breakthrough was seen from Column 5 at the laboratory detection limit of 0.0002 mg/L. A total of 1,840 m3 were treated through the system. At the end of the test, Column 4 effluent was near the discharge limit of 0.002 mg/L but Column 5 effluent still comfortably met the limit. Other conclusions from Test #1 were that: • Clinoptilolite in Column 1 achieved a thallium loading of 0.38%. Loading in downstream columns was progressively lower. • Spent clinoptilolite was tested by TCLP and the adsorbed thallium was found to be essentially non-leachable, as less than 1% of the thallium was liberated. • Water quality parameters other than thallium (pH, arsenic, selenium, sulfate, etc.)

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Water Treatment were not affected by zeolite treatment. Pilot Test #2 Pilot Test #2, using another finegrained low-cost material, 16x50 mesh clinoptilolite from St. Cloud Minerals, was operated immediately afterward for 120 days. A total of 3,290 m3 were treated prior to breakthrough from Column 5. Results showed that: • The average influent thallium concentration of 0.38 mg/L was somewhat lower than Pilot Test #, but is still within anticipated future mixed mine water quality. • Clinoptilolite in Column 1 achieved a thallium loading of 0.32%. • Spent clinoptilolite was again found to be essentially non-leachable. Column 1 material was completely “spent” at the end of the test. As at the end of Test #1, Column 4 effluent was at the discharge limit, while Column 5 effluent was comfortably below it. Treatment costs Based on these results, estimated operating costs for full-scale treatment using St. Cloud clinoptilolite (Test #2) are shown in Figure 1. Costs are based on a 0.32% thallium loading rate in the first


column and a price of $0.24/lb for zeolites. This is based on the quoted price for clinoptilolite ($0.14/lb) plus estimated shipping costs ($0.10/lb). Figure 1 includes scenarios for three flow rates (low, average and maximum) and two concentrations (average and maximum). Anticipated annual average flow rates range from 36 to 110 gpm ( 8 to 25

$33,000/yr. Therefore, switching to clinoptilolite will save the mine about $25,000/yr., over the remaining 10 to 40 years of water treatment. Proposed treatment system The selected method for long-term removal of thallium at the Kendall Mine, which is awaiting regulatory review and approval, is zeolite adsorption. Approxi-

The selected method for long-term removal of thallium at the Kendall Mine, which is awaiting regulatory review and approval, is zeolite adsorption. m3/hr). Anticipated thallium concentrations range from 0.30 to 0.46 mg/L. At the loading rate seen in Pilot Test #2 and a St. Cloud clinoptilolite cost of $0.24/lb, anticipated treatment costs are quite low (about $7,500/yr. for the base case at average flow and average concentration). Chabazite currently used at the Kendall Mine costs $0.95/lb, plus shipping. Assuming the same loading rate as with St. Cloud clinoptilolite, which was shown to be true in bench tests, the current zeolite cost is approximately

mately 1,800 kg of clinoptilolite will be loaded into each of five columns in series. The proposed water treatment system comprises: • Water storage and equalization in two ponds. • Multimedia filtration to remove suspended solids prior to zeolite treatment. • Zeolite treatment in the existing column system, using clinoptilolite as the preferred material. Chabazite may also be used, although it is more expensive. continued overleaf...

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Water Treatment 1

• Effluent quality monitoring to ensure proper operation and thallium removal prior to groundwater discharge. • Placement of water treatment residuals (spent zeolites and suspended solids) in a high-capacity lined pond. Inflow rate to the storage ponds will vary seasonally. Total average annual flow

is expected to be approximately 16 m3/hr. The typical treatment flow rate will be 18 m3/hr, which will partially fluidize zeolites in the columns, but still provide adequate contact time. If inflow rates do not provide enough water to meet minimum treatment system flows, treatment will be temporarily suspended until water is available.

Initial influent water quality will be similar to the range of concentrations predicted by the mixing model. Influent concentrations will decrease over time due to improving mine water quality. Pilot testing and previous full-scale operations have shown that zeolites will adsorb more thallium when exposed to higher concentrations, as is typical with adsorbents. To maximize thallium loading, zeolite in each column will be transferred backward (upstream) periodically, with fresh material being loaded into Column 5 (the effluent or downstream end of the system), and material from Column 1 (the beginning or influent end of the system) being discarded. It is anticipated that zeolite will be transferred by slurrying it with treated water, and pumping it from one column to another. Influent concentrations may be managed by adjusting source flows to increase removal efficiency. Mark Reinsel is with Apex Engineering. E-mail: mark@apexengineering.us. Scott Mason is with Hydrometrics Inc.

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60 | January 2013

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Water Treatment

Measuring pH in Canadian water treatment plants can be challenging By G.A. (Redir) Obaji


easuring pH in a water treatment plant seems like a very simple process. However, this measurement can be daunting due to the characteristics of the raw water and the type of treatment used in various plants. Four of the main problems for pH measurement in Canadian water treatment plants are: • Low conductivity of some raw water sources. • Conductivity of reverse osmosis permeate. • Low temperature of the water source. • Potential settling of floc and other solid particles on the face of the pH sensor. Many raw water source intakes in Canada come from lakes and rivers that do not contain a high level of dissolved salts. These salts (sodium, calcium and potassium salts) are the main contributors to higher conductivity of water. Also, if a plant uses a reverse osmosis process, most of the salts are removed by the membranes, leaving permeate with a conductivity of under 40 μS. Why is low conductivity a problem? A pH sensor is an electrochemical device that, when placed in an aqueous liquid, produces a voltage proportional to the concentration of hydrogen ions in the solution. The sensor acts like a battery with two half cells: a glass electrode and a ref-

erence electrode. The glass electrode outputs a voltage that varies with the hydrogen ion concentration, while the reference electrode produces a voltage that must not be affected by the measured solution. The reference electrode consists of a silver/silver chloride (Ag/AgCl) wire in contact with a saturated solution of potassium chloride (KCl). In order to complete the electric circuit with the glass electrode, the reference allows a small amount of

Another issue for Canadian water treatment plants is that, for much of the year, the water temperature is very close to freezing. KCl to pass through a porous membrane, called a “liquid junction,” interfacing between the two liquids. This junction is typically made of porous Teflon, ceramic or wood. When measuring pH in low-conductivity water (below 100 μS), the low ion concentration of the water will act as a magnet for the high ion concentration (KCl ions) inside the reference electrode.

This can quickly leach out the KCl solution, rendering the probe ineffective. The lower the conductivity, the faster the leaching. The main symptom of this problem is initially drift, necessitating frequent recalibration, and then instability as the electrical resistance of the junction increases. As this develops, the reading will start to show flow dependence, where the actual reading will change with sample flow rate. Also, if the “liquid junction” gets plugged with solid particles, such as floc, during the treatment process, movement of the electrolyte ions will be hindered. This will affect the voltage produced by the element in the reference electrode and cause instability and drift as the junction resistance increases. A refillable or flowing reference electrode can be used to overcome these issues. 1. Refillable sealed reference. This type of electrode is the simplest. It requires frequent “topping up” to maintain the level of the internal filling solution. This electrode is mainly used in the laboratory, on a few industrial electrodes and in on-line ion-selective monitors. The liquid junction can also be changed regularly. This sensor requires constant maintenance and does not address particle buildup on the liquid junction.

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KK^h^i jh Vi 6bZg^XVcV ^c BdcigZVa dc BVgX] &."'&! '%&( 7ddi] &+'. ^h^i jh Vi 6bZg^XVcV ^c BdcigZVa dc BVgX] &. "'&! '%&( 7ddi] &+'. 62 | January 2013

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Water Treatment

ABB’s “Blue Glass” option is specifically designed to measure the pH of cold water. The low-resistance membrane has a much faster pH response, by a factor of 10, because of its lower resistance.

2. Reservoir-fed reference (flowing reference). As the name suggests, a container filled with internal filling solution acts as a reservoir to bleed solution into the reference chamber. This greatly reduces the frequency of “topping up,” and because the reservoir can be placed much higher than the sample (providing a large head pressure) the flow of solution through the junction can be increased. A greater reference solution flow rate helps prevent blockage of the junction and prevents the contamination sample from entering the reference chamber. Flowing reference probes also offer replaceable liquid junction and a separate pH electrode that can be removed for inspection and replacement at low cost. Using flowing reference system op-

tions will cut down on the frequency and cost of pH probe calibration and also on unnecessary sensor replacements. In this system, pH electrodes should last a long time when used in clean water. Measuring pH at low temperatures Another issue for Canadian water treatment plants is that, for much of the year, the water temperature is very close to freezing. The pH glass electrodes are normally high-impedance devices, due to the resistance of the glass membrane, which is in series with the overall electrical circuit. It is this impedance that determines the speed of response to changes in the sample pH. As the temperature of the sample decreases, resistance increases, thus increasing response time of the measurement.

General-purpose electrodes that have impedances approaching 1,000 M Ω offer a very slow response at temperatures below 10°C. In these instances, electrodes with special formulated glass membranes that exhibit low impedance (less that 100 MΩ) have the advantage of much faster response. ABB’s “Blue Glass” option is specifically designed to measure the pH of cold water. The low-resistance membrane has a much faster pH response, by a factor of 10, because of its lower resistance. But it can only be used over a pH range of 0 to 10, and up to temperatures of 60°C. G.A. (Redir) Obaji is with ABB Inc, Burlington, Ontario. E-mail: redir.a.obaji@ca.abb.com 905.940.6161 | 416.987.6161 www.ColeEngineering.ca










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Water Separation

Dissolved air flotation helps harvest algae for biodiesel research By Jim McMahon


ince 2008, the San Diego Center for Algae Biotechnology (SDCAB) has been conducting research into algal applications for biofuel. This has been a joint collaboration between several departments of the University of California/San Diego (UCSD) faculty and students, the University’s Scripps Institution of Oceanography, the Scripps Research Institute, as well as nonacademic industrial corporate participants. In 2011, the Center moved beyond its campus-oriented algae research facility in San Diego and utilized a field laboratory in the Imperial Valley of California, about 100 miles east in the Sonoran Desert. One-acre ponds were made available by Carbon Capture Corporation, which also provided some of the on-site lab necessities. The field location, which SD-CAB used for two months, gave the Center the opportunity to considerably expand its algae growing volume from in-laboratory vats to one-acre ponds. During this twomonth effort, the ponds used by SD-CAB were the largest field laboratory of any academic institution in North America for the growing and research of algae for use as a biofuel. Algae thrive in fresh water and seawa-

64 | January 2013

Pond water is pumped into the DAF where suspended solids in the form of algae are separated from the water.

ter, and in all types of water up to a salinity of about 0.5 percent (50 percent higher than seawater). It can grow in desert ponds, using high-saline water from aquifers that cannot be used in any other ways. Algae growth is not dependent on a particular season, and can proliferate wherever there are nutrients and light. Having performed previous in-lab research, processing smaller quantities of algae, the Center was well versed in a) growing algae; b) handling drying the biomass on racks to remove 90 percent of the

water; c) extracting the oil with a screw press, then purifying it in a centrifuge; and d) converting the oil to biodiesel using a traditional open-processing reaction method. The algae would be tested first for levels of free fatty acids and moisture content to determine what mixture of chemistry was needed, balancing the methanol and sodium hydroxide to effect the desired reaction. However, the Center had little experience with harvesting algae from one-acre ponds.

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Walkerton Clean Water Centre hosts delegation from Brazil


he Walkerton Clean Water Centre (WCWC) recently hosted a delegation from the Brazilian Association of Sanitary and Environmental Engineering (ABES), during their mission to Ontario. One highlight of the visit was a detailed tour of the WCWC Technology Demonstration Facility. The visit was part of a week of organized activities, focused on water and wastewater management, in partnership with the Ontario Ministry of Economic Development and Innovation, and Department of Foreign Affairs and International Trade Canada. ABES is the Brazilian chapter of the Inter-American Association of Sanitary and Environmental Engineering. One of ABES’ most important and successful annual initiatives is the Water and Wastewater Quality National Award. The program was developed to promote innovation to associated companies.

Brazilian delegates from the Brazilian Association of Sanitary and Environmental Engineering (ABES) group.

Every year the award-winning companies undertake a technical benchmarking visit to a country considered a leader in water and wastewater management. The delegation included managers of several Brazilian municipal water and wastewater utilities, and representatives from the Canadian federal and provincial governments.

During the visit, speakers highlighted WCWC services and three made in Ontario technologies, including MS Filter Slow Sand Filtration Systems, Real Tech analysers and Trojan UV units. The Walkerton Clean Water Centre is an agency of the Government of Ontario, established in 2004. WCWC’s headquarters in Walkerton is LEED Gold certified and is well-equipped for hands-on training, research and innovation. In peak weeks, WCWC trainers educate over 350 drinking water operators across the province. More than 39,000 have participated to date. WCWC’s research program is focused on solutions for small drinking water systems and supports technology development by providing comprehensive product assessments for small companies. www.wcwc.ca


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Water Separation “We knew, starting off, that the biggest challenge would be the harvesting,â€? says Kristian Gustavson, part of the UCSD student-led, algae-based biodiesel research study. “We could grow the algae all day long, and once we had the dry biomass we could turn it into fuel, but it was the matter of harvesting. We experimented with several methods that were not very successful.â€? After careful review, the Center selected World Water Works’ Algae Harvesting Technology Optimized (AHTO) dissolved air flotation system (DAF), which provided a highly efficient and compact treatment method. AHTO is specifically tailored to algae harvesting. Pond water is pumped into the DAF where suspended solids in the form of algae are separated from the water by a process of dissolving air into the water under pressure, with the addition of a polyacrylamide flocculent. Upon release of that pressure, micro-bubbles form. These micro-bubbles interact with the algae particles, attaching to the biomass surface and affecting the particle density, causing them to float to the surface of the DAF. They are then skimmed with a chain and flight mechanism to a sieved Thickening Beach™, which allows free water to be drained and thickens the algae particles, achieving an efficient liquids and biomass separation. Patented NikuniÂŽ air dissolving technology is used to create the robust whitewater in the AHTO system, which saturates the effluent pond water entering the DAF with atmospheric air.

Up to 9,000 gallons of algae-laden water can be processed per minute, at a 95 percent capture rate, yielding up to 20 percent algae concentrations.

Heavy sand and grit particles settle to the bottom, where a timer function controls removal. The clean water is continuously removed from the DAF and piped back into the ponds, allowing new pond water laden with algae to enter for separation. The AHTO process is a highly efficient system for separating algae from liquids. It can achieve biomass removal efficiencies exceeding traditional DAF performance. Up to 9,000 gallons of algae-laden water can be processed per minute, at a 95 percent capture rate, yielding up to 20 percent algae concentrations. Algae - biofuel of the future When processed properly, biodiesel runs cleaner and more efficiently than petroleum-based diesel, and provides needed lubricity to petroleum-based diesel. Use of biodiesel in a conventional diesel engine re-

sults in a substantial reduction of unburned hydrocarbons, carbon monoxide and carbon dioxide emissions, as well as particulate matter, according to U.S. Department of Energy statistics. Compared to crops used to produce vegetable oil for biofuels, algae is far more productive, being able to generate up to 50 times the yield of oil per acre. The San Diego Center for Algae Biotechnology scientists plan to make sustainable algae-based fuel production a reality within five to 10 years. Its goal is to create a facility that provides a national and global model for the commercialization of algae fuel. Jim McMahon writes on wastewater and biofuel technologies. For more information, E-mail: mcadam@worldwaterworks.com

The National and International Confer Conference ence on Groundwater Groundwater Register by March 15, 2013 and save on fees for this year’s premier groundwater industry conference!


66 | January 2013

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Guest Comment

Precautionary principles needed to protect groundwater from fracking By Dr. Molly Whitworth


ollowing years of complaints and evidence that the controversial practice known as hydrologic fracturing or fracking was negatively affecting groundwater sources, the U.S. Environmental Protection Agency (EPA) is now supplying water to stricken families in Dimrock, Pennsylvania. The EPA is also conducting tests to see if the hydrologic fracturing energy extraction process may make drinking water unsafe. These actions were the result of numerous complaints and a string of lawsuits. But the question remains: “Why does it often take legal action before environmental regulators act?” The wait-and-see approach to regulation arises from a desire for conclusive information to support controversial regulatory decisions. Since the United States is a democracy and there is an army of lobbyists representing utility companies, the oil and gas industry, and chambers of commerce, all these competing interests frequently prevent quick action. EPA regulations, like the actions of other federal agencies, are heavily influenced by the political appointees of each presidential administration. There are many interests that EPA must consider before issuing regulations. Unfortunately, the environment represents only one of these interests. The evolution of precaution vs reaction Students of biology and sociology are familiar with the “flight or fight” responses of humans and animals, the product of our evolutionary heritage and brought on by the hormone adrenalin. In her provocative study of societal collapse, Rebecca Costa concludes that our genetic makeup predisposes us to react to present danger (e.g., rising sea levels) and that we are not hard-wired to respond to longrange threats (e.g., climate change). Sociobiologists, most notably E.O. Wilson, who Time magazine called one of the most important figures of the last century, recognizes the limitations of our inherited abilities to deal with the complex problems of today. In an interview with Rebecca Costa, author of The Watchman’s www.esemag.com

Rattle, he notes that “the real problem of humanity is the following: We have paleolithic emotions; medieval institutions; and god-like technology.” The politics of protection Politicians do not act easily on predicted risks, and environmental problems often fall into this category. The costs of fixing today’s problems are what voters and opponents focus on, so it is easier and politically wiser to put off fixing a future problem. That is one major reason why we see disasters like the 2010 Deepwater Horizon Gulf oil spill or post-Hurricane Katrina flooding in New Orleans. In the latter event, funding safer levies was put off because the danger was not imminent and the costs were high. Politicians typically do not get credit for preventing environmental degradation. Anticipating and paying to prevent catastrophes that rarely occur do not garner

much support because of the costs of prevention. Applying the Precautionary Principle A proactive approach is to anticipate and mitigate environmental issues before they become more dangerous and more costly to mitigate. This approach, commonly known as the Precautionary Principle, consists of the following five key elements (condensed): 1. Anticipatory action. There is a duty to take anticipatory action to prevent harm. 2. Right to know. Anyone proposing a product, service, operation or plan is responsible for providing information to the public on potential human health and environmental impacts. 3. Alternatives assessment. There is an obligation to examine alternatives to the proposed action that might result in less environmental harm. continued overleaf...

Water For People is dedicated to creating reliable access to safe drinking water, improved sanitation facilities, and hygiene education programs in Africa, Asia, Central America, and South America.

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January 2013 D5_ES&E 13-01-31 9:46 PM Page 68

Guest Comment 4. Full cost accounting. There is a duty to consider all foreseeable costs associated with a decision. 5. Participatory decision process. All decisions must be transparent, participatory and informed by the best science and other relevant information. Let’s explore how the Precautionary Principle is applied in practice. As an example, the U.S. has long applied the principle to estimating chemical risks. Results

for decision-making at the federal level. However, smaller municipalities are beginning to apply it when making local decisions. Mendocino County, California’s Environmental Commons and the Mendocino Partnership for the Precautionary Principle are implementing this approach to their long-term environmental health and ecological policies and programs. Some parts of the Precautionary Principle are being applied to regulatory de-

www.epa.gov/hydraulicfracture U.S. environmental Superfund sites www.epa.gov/superfund/sites Mendocino Partnership for the Precautionary Principle www.environmentalcommons.org/precaution U.S. Clean Air Act www.epa.gov/air/caa/ U.S. Toxic Release Inventory Program www.epa.gov/tri/

Politicians do not act easily on predicted risks, and environmental problems often fall into this category. The costs of fixing today’s problems are what voters and opponents focus on. are taken from animal studies and a tenfold safety factor applied to them to account for uncertainties of applying laboratory data to actual human exposures. Superfund sites are cleaned up with an established standard to ensure that only one person in a million has a chance of harm — even at the cost of billions of dollars. As a nation, the U.S. has not progressed far in applying the entire Precautionary Principle as a guiding framework

Learn more about fracking and drinking water

Environmental Justice www.epa.gov/environmentaljustice/basics/ ejbackground

References Costa, Rebecca, The Watchman’s Rattle (Vanguard Press, 2010)

cision-making today. For example, the EPA has the responsibility under the Clean Air Act to post the Toxic Release Inventory (TRI) on a schedule to inform the public of the load of toxic substances emitted by an industry. Laws such as the Environmental Justice (EJ) provisions require rigorous public notice of any action affecting the environment surrounding low-income and poorly represented communities and neighborhoods. EJ and

“Precautionary Tools for Reshaping Environmental Policy,” edited by Nancy J. Myers and Carolyn Raffensperger (MIT Press, 2006; available online at www.sehn.org). Raffensperger, C., and Tickner, J. (eds.) (1999) Protecting Public Health and the Environment: Implementing the Precautionary Principle. Island Press, Washington, DC.

TRI are potentially powerful tools to strengthen public influence in regulatory decision-making. As for the EPA’s future action on fracking, Administrator Lisa P. Jackson has made hydrologic fracturing a priority cross-office agency issue and is addressing it at the top levels. At this point the policy is not precautionary, but it is to be hoped that there is still time to spark meaningful action. In an ideal society, preventative measures take precedence over cost considerations. For now, it is better to be an informed citizen and to be aware of your surroundings and the environmental consequences of actions taking place around you. Then make sure your opinion is heard! Dr. Molly Whitworth is with the Environmental Science Department at American Public University.

Fracking is the process of using explosive charges, followed by the injection of water, sand, and chemicals to break up rock beneath the surface. Horizontal drilling allows shale gas or shale oil to be extracted and pumped to the surface, along with the fluid used in the drilling operation. (Diagram courtesy University of Connecticut.) 68 | January 2013

Environmental Science & Engineering Magazine

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American Public University is a leading provider of quality online education. APU offers more than 170 undergraduate and graduate degree and certificate programs for environmental science, policy, and management professionals. When you’re ready to learn more, visit StudyatAPU.com/ESE. Tel: 877-777-9081 E-mail: info@apus.edu Web: StudyatAPU.com/ESE American Public University

Biosolids management

Barr Plastics helps win award

American Water provides beneficial reuse of biosolids; advanced technologies - Class A biosolids; mobile dewatering; digester, reactor, tank and lagoon cleaning; confined space entry; treatment plant by-pass; vacuum and haulage services; custom, mobile screening; and free assessments and quotations. Tel: 800-846-2097 E-mail: terratecsales@amwater.com Web: www.terratec.amwater.com

A Union of BC Municipalities Award in Leadership and Innovation was presented in October in recognition of a joint Abbotsford/Mission Water and Sewer Commission project, in which Barr Plastics helped install an innovative rainwater harvesting system into the Abbotsford Entertainment and Sports Centre. This system, completed in September 2011, became the first in the world to use harvested rainwater to make ice for a professional-grade ice arena. Tel: 800-665-4499 Web: www.barrplastics.com Barr Plastics

American Water

Water treatment system

Foam plug for leaks

Lemna Technologies fabricates and installs floating insulated covers. LemTec™ covers improve effluent performance in lagoons and digesters. They retain heat, control odour and algae, increase BOD, TSS and NH3 removal, and have proven performance with +300 installations in North America. Please contact Lemna Technologies’ local representative, C & M Environmental Technologies Inc. at 705-725-9377 or at info@cmeti.com for more information.

The Microfloc® Trident® from WesTech Engineering Inc. removes turbidity, suspended solids, colour, iron, manganese, odour, taste and parasites at a lower capital cost than a conventional system, in a smaller space and at higher flow rates per unit area. Please contact our local representative, C & M Environmental Technologies Inc. at 705-725-9377 or at info@cmeti.com for more information.

Syntho-Plug is a football-shaped, polyurethane impregnated, water activated foam plug used to temporarily stop the flow from a leak in anything from a pipe to a tanker, to a railcar and even a boat hull. It is initially pliable to insert into a void and quickly expands and hardens to fill the void; it can even be applied below the water line. Tel: 800-265-0182, 905-949-2741 Fax: 905-272-1866 E-mail: info@cdnsafety.com Web: www.cdnsafety.com

C & M Environmental Technologies

C & M Environmental Technologies

Canadian Safety Equipment

Floating covers

NSF-61 certified butterfly valves Chemline’s Type 57 allplastic elastomer seated butterfly valve is now NSF-61 certified for potable water services. All-plastic construction offers perfect corrosion resistance at low cost. Standard materials are PVC body, PP disc, EPDM seat; others are available. Sizes range from 1-1/2” to 24”. Handlever, gear operators, pneumatic or electric actuators are also available. Tel: 905-889-7890, Fax: 905-889-8553 E-mail: request@chemline.com Web: www.chemline.com Chemline Plastics www.esemag.com

Pump and controller

The SS Geosub, available through Concept Controls, is the most versatile single stage 12 Volt DC pump available. Designed with all stainless steel components, the SS Geosub allows you to sample with confidence even in the harshest well conditions. Tel: 888-207-2212 E-mail: sales@conceptcontrols.com Web: www.conceptcontrols.com Concept Controls

Denso Petrolatum Tapes Proven worldwide for well over 100 years, Denso Petrolatum Tapes offer the best, most economical, long-term corrosion protection for all above and below ground metal surfaces. Requiring only minimum surface preparation and environmentally responsible, Denso Petrolatum Tape is the solution to your corrosion problems in any corrosive environment. For applications in mines, mills, refineries, steel mills, pulp & paper, oil & gas, and the waterworks industry. The answer is Denso! Tel: 416-291-3435, Fax: 416-291-0898 E-mail: blair@densona.com Web: www.densona.com Denso January 2013 | 69

Product & Service Showcase

Online education

January 2013 D5_ES&E 13-01-31 9:46 PM Page 70

Monitoring and collection

Bio-gas flow meter

Samplers have changed. The Endress+Hauser CSF-34 is the new benchmark, with a choice of vacuum or peristaltic pumping and up to 24 simultaneous sampling routines. Add up to four industrial digital sensors with data logging and connect to SCADA with the latest communication protocols including Ethernet. The new CSF-34 is a complete monitoring and collection solution. E-mail: info@ca.endress.com Web: www.ca.endress.com

The new Prosonic B-200 flow meter measures both digester gas flow and methane content. The ultrasonic time of flight technology is not affected by moisture, dirt or low flows. The methane measurement will optimize digester performance and ensure downstream co-gen performance. Digester gas is a valuable asset; the B200 ensures you maximize its use! E-mail: info@ca.endress.com Web: www.ca.endress.com

Endress+Hauser Canada

Endress+Hauser Canada

Product & Service Showcase

Process mixing system The HYDRAULIX mixing systems feature a unique double nozzle design which allows for even energy distribution. This process optimizes solids suspension and contact to promote efficiency in a wide range of wastewater and bio-fuels applications. E-mail: sales@greatario.com Web: www.greatario.com

Greatario Engineered Storage Systems

Multi-parameter monitoring

YSI EXO, an advanced Water Quality Multi-Parameter Monitoring Platform features: Wireless Bluetooth communication; smart sensors; wet-mateable sensor/cable connectors; built in GPS; extended battery life of 90 days. New parameters include fDOM and Total Algae. Tel: 604-872-7894, Fax: 604-872-0281 E-mail: salesv@hoskin.ca Web: www.hoskin.ca Hoskin Scientific 70 | January 2013

Centimetre accuracy Geneq has introduced the SXBlue III GNSS, a palmsized GNSS RTK receiver that uses both GPS and GLONASS for real-time, centimetre accuracy. It brings accuracy to any smart phone, handheld, tablet, or notebook computer that is Bluetoothcompliant. It generates corrections for both GPS and GLONASS satellite data even if the user’s reference station (or RTK Network) only supports GPS. Tel: 514-354-2511 E-mail: rparise@geneq.com Web: www.geneq.com Geneq

Redundant level sensing

The new PSL 5.0 Pump Station Level Controller from Greyline Instruments features redundant level sensing. It includes a non-contacting ultrasonic sensor and you can also connect a loop-powered pressure sensor for redundant sensing in applications with foam or grease. Tel: 888-473-9546 E-mail: info@greyline.com Web: www.greyline.com Greyline Instruments

Flow and volume data collection Ideal for monitoring flows in canals, culverts, open channels and pipes, the SonTekIQ Series Standard, Plus and Pipe, can collect data in as little as 8 cm of water. Four beams provide velocity measurement. Installation and integration are easy, and total volume data is obtained. Tel: 604-872-7894, Fax: 604-872-0281 E-mail: salesv@hoskin.ca Web: www.hoskin.ca Hoskin Scientific

Ozone systems H2Flow offers Pinnacle’s revolutionary Zenith ozone systems, producing up to 600 lbs/day (5% wt.) per unit. With their highly efficient design, they can be turned up/down for 100% dosage variability. They are built with solid components, are rugged, proven, extremely compact, and water cooled, with no yearly maintenance. Tel: 905-660-9775, Fax: 905-660-9744 E-mail: info@h2flow.com Web: www.h2flow.com H2Flow

Screw press

Huber Technology’s RoS3Q Inclined Screw Press provides high performance sludge dewatering in a compact, entirely enclosed machine. The RoS3Q provides efficient and reliable operation with minimal operator attendance. The slow rotational design is simple and energy-efficient. E-mail: marketing@hhusa.net Web: www.huberforum.net/ESE

Huber Technology Environmental Science & Engineering Magazine

January 2013 D5_ES&E 13-01-31 9:46 PM Page 71

The Strainpress® Inline Sludge Screen from Huber Technology is designed to effectively screen sludge in pressurized lines. Reduces maintenance costs and increases the operating reliability of downstream sludge treatment systems. The Strainpress is precision manufactured of stainless steel. There are more than 700 installations. E-mail: marketing@hhusa.net Web: www.huberforum.net/ESE Huber Technology

New technical reference blog

Dry air generators

Water storage tanks

Hygrex™ Technologies manufactures energy wise, cost-effective and environmentally friendly dry air generators that operate without the use of heat. The benefits are a reduction in energy costs, no exhaust or air intake, efficient operation, and minimal maintenance. The system is used for paint dehumidification, municipal/industrial sludge drying, drying of water washed components, and odour removal. Tel: 416-743-3751 Web: www.indachem.com, www.hygrex.com Indachem

FTC FRP Panel Type Water Storage Tanks are low maintenance water tanks certified to NSF 61 with low Lead Annex G. They are soon to be incorporated in CSA B126 Standard for tanks up to 10,000 m3. They are represented in Canada by Indachem Inc. Tel: 416-743-3751 Web: www.indachem.com Indachem

Screening system

Septage receiving system

Wastewater pump stations are facing an influx of sewer clogging rags and debris, so JWC Environmental engineers developed a breakthrough vertical Auger Monster® screening system to fit inside cramped pump stations and provide complete

IPEX has launched ABetterSewer.com, a new blog for wastewater engineers, designers and operators. It will cover technical issues related to drop structures, sewer hydraulics and odor control, and will inform on technology and opinions of industry experts with a specific focus upon the Vortex Flow Solution. Tel: 905-403-0264 E-mail: jennifer.tuck@ipexna.com Web: www.abettersewer.com

pump protection. Tel: 800-331-2277, Fax: 949-833-8858 E-mail: jwce@jwce.com Web: www.jwce.com

IPEX Management

JWC Environmental

Wastewater screens

Kusters Water offers a full line of screens for use in wastewater treatment, including: multi-rake screens, filter screens, climber type screens, rotary drum screens, center flow band screens, spiral screw screens, and static screens. Materials of construction include 304 or 316 stainless steel, for low maintenance and a long service life. Tel: 864-576-0660, Fax: 864-587-5761 E-mail: jim.weidler@kusterszima.com Web: www.kusterwater.com Kusters Water www.esemag.com

Self-aspirating aerators

Kusters Water offers a complete line of FUCHS self-aspirating aerators which are used in lagoons, aeration basins, oxidation ditches, and retrofits to existing systems. Each aerator can be installed on steel walkways, concrete walls, lagoon shores, or provided with pontoons as required. The mounting design allows for easy retrieval for maintenance and inspection. Tel: 864-576-0660, Fax: 864-587-5761 E-mail: jim.weidler@kusterszima.com Web: www.kusterwater.com Kusters Water

The Honey Monster® SRS-XE is an improvement to JWC Environmental’s award-winning Honey Monster. This automated septage receiving system uses a combination of grinding, solids removal, washing and dewatering to remove unwanted trash before septage is allowed to enter a wastewater treatment plant. Tel: 800-331-2277, Fax: 949-833-8858 E-mail: jwce@jwce.com Web: www.jwce.com JWC Environmental

Interpreter register Master Meter's Interpreter Register System, based on proven Dialog® 3G technology, is a universal AMR upgrade that replaces the existing register on almost any brand of meter in minutes, without service interruption. It delivers AMR technology without wires or connections. Tel: 514-795-1535 E-mail: clauret@mastermeter.com Web: mastermeter.com Master Meter January 2013 | 71

Product & Service Showcase

Sludge screen

January 2013 D5_ES&E 13-01-31 9:46 PM Page 72

Ultrasonic meter

Octave® offers the latest in ultrasonic metering technology and is anexcellent alternative to mechanical compound, single-jet, and turbine meters with no moving parts. Octave excels at maintaining sustained accuracy for the life of the meter while providing smart AMR capabilities. Tel: 514-795-1535 E-mail: clauret@mastermeter.com Web: mastermeter.com

Product & Service Showcase

Master Meter

Safety hatches MSU MG Safety Hatches - the open and shut case for hatch standards. With single, double and multi-door configurations in aluminum and stainless steel, they are made right here in Canada. Check us out on the web www.msumississauga.com Tel: 800-268-5336, Fax: 888-220-2213 E-mail: sales@msumississauga.com

MSU Mississauga

Safety hatches

MSU MG Safety Hatches set the standard in Canada for fall-through protection. They withstand pedestrian and occasional traffic loads. With single, double and multi-door configurations in aluminum and stainless steel, they are made in Canada. Tel: 800-268-5336, Fax: 888-220-2213 E-mail: sales@msumississauga.com Web: www.msumississauga.com MSU Mississauga

NGWA Summit

Water quality meters

Flow meter

Be a part of 2013’s premier groundwater conference! Join keynote speaker Charles Fishman, the best-selling author of The Big Thirst, and fellow groundwater professionals from around the world at the NGWA Groundwater Summit - April 28-May 2 in San Antonio, Texas. Tel: 800-551-7379, 614-898-7791 Fax: 614-898-7786 E-mail: customerservice@ngwa.org Web: www.ngwa.org National Ground Water Association

The Horiba U-50 Series hand-held multi-parameter water quality meters are equipped to measure, display and datalog up to 11 parameters simultaneously with one probe. Monitor surface and ground water by deploying the probe directly into a body of water or using a flow cell. Tel: 800-560-4402 E-mail: sales@ospreyscientific.com Web: www.ospreyscientific.com Osprey Scientific

DulcoFlow® flow meter is based on the ultrasonic measurement method. Operation without moving parts guarantees a long service life and wear-free operation. Its measurement range is between 0.1 and 50 litres per hour. A unique feature is that, for the first time, pulsed flow and the amount of liquid which has been dispensed by each pump stroke can be reliably and precisely measured and monitored. Tel: 888-709-9933, Fax: 519-836-5226 E-mail: sales@prominent.ca Web: www.prominent.ca ProMinent Fluid Controls

Metering pump

Solution architecture

Screening and grit removal in one package

The awardwinning delta® with optoDrive® provides diverse control and operating capabilities in a capacity range of 7.5 - 75 l/h, 362 psi - 29 psi. The delta from ProMinent has many advanced features: pulsed or continuous dosing; automatic detection of airlock, low pressure and high pressure; and an automatic degassing option. Tel: 888-709-9933, Fax: 519-836-5226 E-mail: sales@prominent.ca Web: www.prominent.ca/delta ProMinent Fluid Controls 72 | January 2013

Schneider Electric is the only global specialist providing EcoStruxure, an integrated systems architecture unifying process management, energy management and security management for water and wastewater. Our solutions can save up to 30% in operating and design costs. Tel: 800-565-6699 E-mail: canadian.pss@ca.schneiderelectric.com Web: www.schneider-electric.com Schneider Electric

PISTA®Works™ provides four headworks processes on one skid package. It combines screening, grit removal and grit washing into one integrated system which is pre-assembled and shipped direct to the job site, significantly reducing field installation costs while allowing for a compact footprint. Tel: 913-888-5201, Fax: 913-888-2173 E-mail: answers@smithandloveless.com Web: www.smithandloveless.com Smith & Loveless Environmental Science & Engineering Magazine

January 2013 D5_ES&E 13-01-31 9:47 PM Page 73

Engineered metal doors

With absolute precision, Levelogger Edge records up to 120,000 water level and temperature data points, using new linear compression sampling. It provides improved temperature compensation, reduced thermal response times, accuracy of 0.05% FS, a 10-year battery, corrosion-resistant titanium coating and a Hastelloy pressure sensor. Tel: 905-873-2255, Fax: 905-873-1992 E-mail: instruments@solinst.com Web: www.solinst.com

Tel: 905-578-9666, Fax: 905-578-6644 E-mail: contact@spillmanagement.ca Web: www.spillmanagement.ca

U.S.F. Fabrication, Inc. manufactures a complete line of engineered metal doors for underground utility access. They have been “fabricating solutions since 1916” with over 160,000 sq ft of manufacturing space. This allows them to offer the best lead times in the industry. Their friendly and knowledgeable staff is committed to providing customers with the right product for their application and shipping it when they need it. Tel: 604-552-7900, Fax: 604-552-7901 E-mail: epsl@telus.net


Spill Management

U.S.F. Fabrication

Practical Hands-on Progressive Formats

Peristaltic pumps

Oil/water interface sensor

The Pegasus Alexis® Peristaltic Pump from Waterra is a self-contained sampling station that includes all the best features of these devices. Packaged in the rugged Pelican™ 1430 case and incorporating its own power supply and charger, this pump will keep you sampling in the field all day long. Tel: 905-238-5242, Fax: 905-238-5704 E-mail: sales@waterra.com Web: www.waterra.com

The new Waterra digital HS-2 Oil/Water Interface Sensor is an improved version of the original HS-1. The HS-2 uses ultrasonic technology to detect liquids and its sensor is not damaged by strong solvents. Available with either imperial or metric tapes and open or closed reel formats. Tel: 905-238-5242, Fax: 905-238-5704 E-mail: sales@waterra.com Web: www.waterra.com

Waterra Pumps

Waterra Pumps

Water level indicator The new Waterra digital WS-2 Water Level Indicator is an improved version of the original WS1. The WS-2 is available with either imperial or metric tapes and open or closed reel formats. Tel: 905-238-5242, Fax: 905-238-5704 E-mail: sales@waterra.com Web: www.waterra.com

Waterra Pumps www.esemag.com

Chemical-free water treatment

Inline disposable filters

Waterra currently has three Inline Disposable Filter options available: the 0.45 Micron high turbidity FHT-45, the 0.45 Micron medium turbidity FMT-45, and the 0.2 Micron CAP300X2. All our filters use high quality polyethersulphone filter media (which offers excellent particle retention above the target micron size range) and are pre-rinsed with 1L of de-ionized water to ensure purity. Tel: 905-238-5242, Fax: 905-238-5704 E-mail: sales@waterra.com Web: www.waterra.com Waterra Pumps

New Amalgam UV lamps

WEDECO Ozone Generators from Xylem eliminate pollutants, coloured substances, odours and micro-organisms without creating harmful byproducts. They are compact in design to reduce overall footprint, and provide reduced energy consumption per unit of ozone production. Tel: 514-695-0100, Fax: 514-697-0602 Web: www.xylemwatersolutions.com/ca

Xylem’s new WEDECO ECORAY® ultraviolet lamps offer significant savings in operation and life cycle costs. The UV lamps incorporate a new long-life coating and improved overall stability and performance. An innovative gas and amalgam mixture in the lamp utilizes up to 80 percent less mercury. Corresponding electronic ballast cards have been fine-tuned to the specific requirements of ECORAY lamp aging characteristics. Tel: 514-695-0100, Fax: 514-697-0602 Web: www.xylemwatersolutions.com/ca


Xylem January 2013 | 73

Product & Service Showcase

Specialist training

Water level data loggers

January 2013 D5_ES&E 13-01-31 9:47 PM Page 74

ES&E’s 25th Annual Equipment Specifiers’ Guide March/Apri

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May/June 2012

Summer 2012


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ECT Official CANguide 2012 Show (Page 88)

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Equipment and Service Suppliers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Products & Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99

Special Sections: Consultants’ Forum Storage Tanks Containment & Spills www esemag com


Guide to Con sultants, Equipment /Se Suppliers and rvice Products Protect

ing WWTP worker hea lth Reducing WTP energy cost s Scalable was tewater syst ems Managing e-w astes www .ese mag


ES&E’s Guide to Environmental Consultants and Testing Laboratories NOTE: This guide is intended as a service for ES&E readers only. No claims are made that it is a comprehensive review. ES&E relies on information supplied by companies who returned questionnaires. 1ST TEAM CONSULTING 206-2728 Spencer Rd Victoria BC V9B 4C6 AA ENVIRONMENTAL & ASSOCIATES 173-138 Yorkland St Richmond Hill ON L4S 1J1 ABL ENVIRONMENTAL CONSULTANTS 102 Portland St Dartmouth NS B2Y 1H8 ABRAM CONSULTING LTD. 217 Industrial Rd F Cranbrook BC V1C 6N4 ACRES & ASSOCIATED ENVIRONMENTAL LTD. PO Box 1001/4342 Queen St Niagara Falls ON L2E 6W1 ADI GROUP INC. 300-1133 Regent St Fredericton NB E3B 3Z2 AECOM CANADA LTD. 105 Commerce Valley Dr W Markham ON L3T 7W3 AEL ENVIRONMENT (AEON EGMOND LTD.) 13-6800 Kitimat Rd Mississauga ON L5N 5M1 (416) 657-2367 Fax: (416) 657-2367 Contact: Paul Wilson, Principal AEROPORTS DE MONTREAL 975 boul Romeo-Vachon Dorval QC H4Y 1H1

AET CONSULTANTS 531 Wellington St Kitchener ON N2H 5L6 (519) 576-9723 Fax: (519) 570-9589 E-mail: sfreiburger@aet-group.com Web site: www.aet-group.com Contact: Scott Freiburger, Principal/Technical Director AET Consultants is a multi-disciplinary environ-

74 | January 2013

mental consulting, auditing and scientific services company providing professional services to the built and natural environments in six key service areas: Solid Waste Management, Environmental Management & Compliance, Natural Resources Management, Sustainability, Energy and Building Sciences. With over 1,000 environmental projects completed in Ontario and across Canada, AET offers extensive experience, capabilities and a proven track record that, among other benefits, assures that our clients receive value-added services, credible results and effective solutions.

(800) 323-4937 Fax: (416) 467-9824 Contact: Brian Bobbie, President

AGAT LABORATORIES 5835 Coopers Ave Mississauga ON L4Z 1Y2 (905) 712-5100

AMERICAN WATER CANADA CORP. 100-701 Main St W Hamilton ON L8S 1A2 (905) 544-0444

AIMS ENVIRONMENTAL 111-1020 Denison St Markham ON L3R 3W5 (905) 474-0058 Fax: (905) 474-0601 Contact: Mohamed Jagani, Principal

ANREP KRIEG DESILETS GRAVELLE 204-101 Worthington St E North Bay ON P1B 1G5 (705) 474-7000 Fax: (705) 474-7362 Contact: John Krieg, Partner/President

AINLEY & ASSOCIATES LTD. 280 Pretty River Pkwy Collingwood ON L9Y 4J5 (705) 445-3451

A-MAPS ENVIRONMENTAL INC. 32 Bon Echo Cres Kanata ON K2M 2W6 (613) 270-9378 Contact: D. Spitzer, CEO AMEC ENVIRONMENT & INFRASTRUCTURE 3215 N Service Rd Burlington ON L7R 3Y2 (905) 335-2353 Fax: (905) 335-1414 Contact: Ron Scheckenberger, Office Manager

APEX ENGINEERING, PLLC 4050 Fieldstone Xing Missoula MT 59802 USA (406) 493-0368 Contact: Mark Reinsel, President



AIRZONE ONE LTD. 222 Matheson Blvd E Mississauga ON L4Z 1X1 (905) 890-6957 Fax: (905) 890-8629 Contact: Natalie De Sousa, Administrative Assistant

AQUA DATA 95 – 5E Av Pincourt QC J7V 5K8 AQUA TERRE SOLUTIONS INC. 909 – 5th Ave SW Calgary AB T2P 3G5

A&J CONSULTING 21 Fry Ct Markham ON L3P 4G9 (647) 888-3797 Contact: A.J. Durand, Owner ALDWORTH ENGINEERING INC. 32 Overbank Cres North York ON M3R 1W2 ALTECH ENVIRONMENTAL CONSULTING LTD. 12 Banigan Dr Toronto ON M4H 1E9

ASSOCIATED ENGINEERING 1000-10909 Jasper Ave Edmonton AB T5J 5B9 (780) 451-7666 Fax: (780) 454-7698 E-mail: admin-group@ae.ca Web site: www.ae.ca Contact: Dean Shiskowski, Corporate Water

Environmental Science & Engineering Magazine

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Guide to Environmental Consultants & Laboratories Planning & Technology Leader Associated Engineering provides consulting services in the water, infrastructure, environmental, energy, asset management, buildings, and transportation sectors. Our services include assessments, planning, feasibility studies, design, construction, training, operational assistance, and project management. Recognized as an industry leader, we received the Canadian Consulting Engineers Schreyer Award for the Gold Bar Wastewater Treatment Plant Water Reuse Facility in Edmonton. ATKINSON DAVIES INC. 60 Meg Dr London ON N6E 3T6 ATLANTIC ACOUSTICAL ASSOCIATES PO Box 96 Stn Central Halifax NS B3J 2L4 ATLANTIC ENVIRONMENTAL TRAINING & ON-SITE SERVICES INC. 4-2 Lakeside Park Dr Lakeside NS B3T 1L7

Acoustic Panels, Enclosures & Products WE WELCOME YOUR INQUIRIES

Email: info@acousticproductsales.com Web: www.acousticproductsales.com Tel: (613) 551-6100

Five decades of excellence in infrastructure planning & engineering

AUREUS SOLUTIONS 398 Bagat St Kingston ON K7K 3B9 (613) 893-3680 Fax: (613) 900-1684 Contact: Ted Bailey, President AVAR ENVIRONMENTAL 12 Baldwin St Unit #1 Dundas ON L9H 1A6 (289) 238-9098 Contact: Justin Lewis, Environmental Scientist AVIZO EXPERTS CONSEILS 1740 rue Berlier Laval QC H7L 4A1 AXOR EXPERTS-CONSEILS INC. 400-5101 rue Buchan Montreal QC H4P 2R9 BARENCO INC. 500-220 Commerce Valley Dr W Markham ON L3T 0A8

• ANTHRACITE • QUALITY FILTER SAND & GRAVEL • CARBON • GARNET ILMENITE • REMOVAL & INSTALLATION 20 Sharp Road, Brantford, Ontario N3T 5L8 • Tel: (519) 751-1080 • Fax: (519) 751-0617 E-mail: swildey@anthrafilter.net • Web: www.anthrafilter.net

BCI ACADEMY 10660 Yonge St/PO Box 30579 Richmond Hill ON L4C 0C7 (647) 847-2112 BEASY NICOLL ENGINEERING LTD. 80 Elieen Stubs Ave Dartmouth NS B3B 1Y6

High Pressure Water Jetting Liquid/Dry Vacuum Services Dry Ice Cleaning Hydro Vac Excavating

BERLIE TECHNOLOGIES INC. 1245 Industrielle La Prairie QC J5R 2E4 (450) 444-0566 Fax: (450) 444-2227 Web site: www.berliefalco.com Contact: Bertrand Blanchette, President Engineering, manufacturing and installation of water, wastewater and biosolids treatment systems with specialty in anaerobic digestion, dewatering and drying of sludge and organic waste for municipalities and industries. Dewatering includes belt filter press and plates filter press. Drying includes rotary closed loop dryers, belt dryers and heated filter press dryers. Conception, manufacturing and installation of customized industrial process systems. BGC ENGINEERING 600-372 Bay St Toronto ON M5H 2W9 BIOTEQ ENVIRONMENTAL TECHNOLOGIES 1000-1050 W Pender St Vancouver BC V6E 3S7 (604) 685-1243 Fax: (604) 685-7778 Contact: Andrew Hall, VP, Sales & Marketing

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Environmental Management System Solutions

Toxic Substance Reduction Planning Services ISO 14001 Consulting | Training and Auditing Environmental Compliance Audits Richmond Hill, Ontario | 647-847-2112 | clients@bci-academy.com


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Guide to Environmental Consultants & Laboratories

Markham, Ontario 905-747-8506 WeKnowWater@BV.com www.bv.com

Consulting • Engineering • Construction • Operation

BIO-LIMNO RESEARCH & CONSULTING, INC. 28 Stone Gate Dr Halifax NS B3N 3J2 (902) 425-8989 Fax: (902) 425-8989 E-mail: magbeti@bio-limno.com Web site: www.bio-limno.com Contact: Michael Agbeti, President Bio-Limno Research & Consulting is an environmental consulting firm that provides a variety of services related to water quality. We specialize in algal analysis (including diatom algae), zooplankton analysis, interpretation of water quality data, and writing of scientific reports. BIOTHERMICA 426 Sherbrooke Est Montreal QC H2L 1J6 BLACK & VEATCH CANADA 501-50 Minthorn Blvd Markham ON L3T 7X8 (905) 747-8506 BLUE MOUNTAIN ENGINEERING 308-1005 Pakington St Victoria BC V8V 3A2 BM ROSS & ASSOCIATES PO Box 1179 Mount Forest ON N0G 2L0

Specialists in a comprehensive range of Municipal, Environmental, Structural, Building, Water Resources, Transportation and Municipal Engineering Collingwood


Email: info@cctatham.com



Web: www.cctatham.com

30+ Years of Water and Wastewater Solutions Wastewater Collection/Treatment Water Supply/Treatment/Storage/Distribution Environmental Site Assessment/Remediation Hydrogeological Investigations/Modelling Watershed/Stormwater Management Information Technology/Data Management

3,000 Staff; 90+ Offices

1.800.265.6102 www.CRAworld.com

Worldwide Engineering, Environmental, Construction, and IT Services


HIGH SPEED CENTRIFUGES HIGH VOLUME PUMPING-HDPE PIPE HDPE PIPELINE FUSING GEO TUBE DEWATERING Competent and Complete Services Lagoons, Digesters, Ponds, Lakes, Marinas, Waste Reduction, Municipal & Industrial Tel: (506) 684-5821 | Fax (506) 684-1915 | www.girouxinc.com

BOMA ENVIRONMENTAL & SAFETY INC. 203-2621 Portage Ave Winnipeg MB R3J 0P7 (204) 889-5275 Fax: (204) 889-2348 E-mail: info@bomaes.ca Web site: www.bomaes.ca Contact: Dr Dinko Tuhtar, P. Eng., Director Environmental permitting; source testing; modeling of dispersion of air emissions; solid/hazardous waste management; environmental assessment of facility/process/site; monitoring of air/water/soil quality; environmental/health risk assessment; industrial hazard analysis (HAZOP, FMEA); indoor air quality; workplace exposure assessment, monitoring and control; hazardous materials assessments, and management. BOS ENGINEERING & ENVIRONMENTAL SERVICES INC. 46 Donnybrook Rd London ON N5X 3C8 (519) 850-9987 Fax: (519) 663-8057 Contact: Art Bos, President BPR, (a TetraTech subsidiary) 310-1205 Ampere St Boucherville QC J4B 7M6 (450) 655-9640 Fax: (450) 655-7121 Contact: Patrick Fournier, Team Leader Environment BROADWOOD CONSULTANTS LTD. 52 Ellery Dr Richmond Hill ON L4C 9A8 (905) 237-1052 Contact: Peter Bradley, President

Soil and Groundwater Remediation Are you spending time and money on remediation with no end in sight?

Windsor (519) 979-7300 Toronto (416) 800-2140

We can help.


76 | January 2013

BOLTON PHOTOSCIENCES INC. 628 Cheviton Cres NW Edmonton AB T6R 2M5 (780) 439-4709 Fax: (780) 439-7792 Contact: James Bolton, CEO

BRUCE A. BROWN ASSOCIATES LIMITED 2-109 Vanderhoof Ave Toronto ON M4G 2H7 (416) 424-3355 Fax: (416) 424-3350 Contact: Bruce Brown, Principal BULLEE CONSULTING LTD. PO Box 2578 Virden MB R0M 2C0

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Guide to Environmental Consultants & Laboratories

Ideal mixing for: Anoxic Basins Aeration Basins Large Bubble Mixing Technology Sludge Mixing Drinking water storage tank mixing Innovative, air burst driven mixing Sewage pump station grease cap busting & odor control Most energy-efficient mixing Industrial Applications No in-basin moving parts Food processing applications, liquor blending & a wide range of mixEasy installation ing applications


CALA 310-1565 Carling Ave Ottawa ON K1Z 8R1 (613) 233-5300 Fax: (613) 233-5501 E-mail: cbrimley@cala.ca Web site: www.cala.ca Contact: Charlie Brimley, President & CEO Laboratory accreditation, proficiency testing and training services. Full international recognition worldwide through APLAC and ILAC.

CAMBRIDGE MATERIALS TESTING LTD. 6991 Millcreek Dr Unit #13 Mississauga ON L5N 6B9 (905) 812-3856 Fax: (905) 812-3866 E-mail: derekwild@cambridgematerials.com Web site: www.cambridgematerials.com Contact: Derek Wild, Industrial Hygiene Specialist Cambridge Materials Testing (CMTL) Accredited Testing Laboratory to ISO 17025 audited by Standards of Council of Canada. For more than 25 years we have built our business model on integrity, quality, reliability and efficient services; indoor air quality, mould/asbestos consulting, chemical/biological hazards, noise, and support regarding regulations. CANADIAN ENVIRONMENTAL AUDITORS 35 Lakeshore Blvd - RR 1 Gilford ON L0L 1R0 (705) 456-3518 Fax: (705) 456-1255 Contact: John Sciberras, P. Eng., President CASSEN TESTING LABORATORIES 51 International Blvd Toronto ON M9W 6H3 (416) 679-9663 Fax: (416) 679-9668 Contact: Cecilia Chan, President

HYDRO-LOGIC ENVIRONMENTAL INC. 762 Upper St. James St., Suite 250, Hamilton, ON L9C 3A2 Ph: 905-777-9494 Fax: 905-777-8678 info@hydrologic.ca www.hydrologic.ca



762 Upper St. James St., Suite 250, Hamilton, ON L9C 3A2 Ph: 905-777-9494 Fax: 905-777-8678 info@hydrologic.ca www.hydrologic.ca

RELIANT WATER QUALITY AERATOR for Lagoons and Aquaculture

• • • •

Course & fine bubble aeration Tames sludge buildup Eliminates thermal stratification Eliminates seasonal turnover

• • • •

Only 4 hp moves 9 MGD Handles up to 5 acres per unit 15 lbs O /hr Efficient - Up to 2 Low maintenance & Simple!

HYDRO-LOGIC ENVIRONMENTAL INC. 762 Upper St. James St., Suite 250, Hamilton, ON L9C 3A2 Ph: 905-777-9494 Fax: 905-777-8678 info@hydrologic.ca www.hydrologic.ca

Insitu Groundwater Contractors

CATTERAL & WRIGHT LTD. 301-415 Heritage Cres Saskatoon SK S7H 5M8

• • • • • • P: 519-763-0700 F: 519-763-6684

CBCL LIMITED PO Box 20040 Saint John NB E2L 5B2

150 Stevenson Street, South Guelph, ON N1E 5N7

CC TATHAM & ASSOCIATES LTD. 200-115 Sandford Fleming Dr Collingwood ON L9Y 5A6 (705) 444-2565 Fax: (705) 444-2327 Contact: (Rex) J. Meadley, President CETCON ENGINEERING SERVICES 17 Farmington Dr St Catharines ON L2S 3E8 (905) 685-0376 Fax: (905) 685-0376 Contact: Charles Ting, Manager CF CROZIER & ASSOCIATES 202-15 Martin St – Carriage Sq Milton ON L9T 2R1 CH2M HILL CANADA 400-245 Consumers Rd Toronto ON M2J 1R3 (416) 499-9000 Fax: (416) 499-4687 Contact: Tom Searle, President


Dewatering systems Mobile groundwater treatment systems Well and pump installation and maintenance Pump, filter, generator rentals Sediment tank rentals Insitu groundwater remediation systems



WELL AND PUMP MAINTENANCE Performance Testing, Inspections, Well Rehabilitation & Repairs Lineshaft and Submersible Turbines 342 Bayview Drive, Box 310, Barrie, Ontario, Canada L4M 4T5

Tel: (705) 733-0111, Fax: (705) 721-0138 E-Mail: iws@iws.ca


CHISHOLM, FLEMING & ASSOCIATES 301-317 Renfrew Dr Markham ON L3R 9S8

Leaders in the Cathodic Protection Industry…Since 1957 CORROSION CONTROL PRODUCTS

CHURCH & TROUGHT INC. 106-885 Don Mills Rd Toronto ON M3C 1V9 (416) 391-2527 Fax: (416) 391-1931 Contact: John Trought, Partner

Burlington, Ontario Canada Regional Offices: Montreal, Calgary Lewiston, New York, USA

4EL s &AX www.Rustrol.com

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Guide to Environmental Consultants & Laboratories

Ɣ Water & Wastewater Treatment Ɣ Environmental Assessment & Planning


Ɣ Solid Waste Management


Ɣ Stormwater Management


Ɣ Watermain & Sewer Rehabilitation

Sudbury Timmins


North Bay

CIMA CANADA INC. 201-7880 Keele St Vaughan ON L4K 4G7 (905) 695-1005 Fax: (905) 695-0525 E-mail: deborah.ross@cima.ca Web site: www.cima.ca Contact: Deborah Ross, Vice President Water & Wastewater CIMA is a Canadian consulting engineering company with 2,000+ employees in offices across Canada and in Vaughan (Toronto), Ottawa, Burlington and Kitchener. CIMA’s Ontario offices specialize in planning, design and construction management for municipal water, wastewater and infrastructure facilities. We offer expertise in environmental assessment, process optimization, water resources, sustainable development and LEED facilities design. CJDL CONSULTING ENGINEERS 261 Broadway St PO Box 460 Tillsonburg ON N4G 4H6 (519) 688-1000 Fax: (519) 842-3235 Contact: Peter Penner, Sr. Engineer CLEARVIEW GEOPHYSICS INC. 12 Twisted Oak St Brampton ON L6R 1T1 (905) 458-1883 Fax: (905) 792-1884 Contact: Joe Mihelcic, President/Geophysicist

10 Alden Road Markham, Ontario Canada L3R 2S1 Tel: 905-475-1545 Fax: 905-475-2021 www.napier-reid.com

CLIFTON ASSOCIATES 2222 30 Ave NE Calgary AB T2E 7K9

Package Wastewater Treatment Plants/SBR/MBR/RBC/EA/DAF

CLIPSHAM LIMITED 101-16 Mountainview Rd S Georgetown ON L7G 4K1 COFFEY GEOTECHNICS INC. 20 Meteor Dr Toronto ON M9W 1A4 (416) 213-1255 Fax: (416) 213-1260 Contact: Chris Nielsen, Manager – Environmental

10 Alden Road Markham, Ontario Canada L3R 2S1 Tel: 905-475-1545 Fax: 905-475-2021 www.napier-reid.com

Package Water Treatment Plants/Gravity/Pressure/Membrane/Ion Exchange/GAC

Peter J. Laughton, P. Eng. Consulting Engineer

Environmental Engineering Services

Alliston, Ontario CANADA


tel: +1.705.434.9563 cell: +

COLE ENGINEERING GROUP LTD. 70 Valleywood Dr Markham ON L3R 4T5 (905) 940-6161 Fax: (905) 940-2064 E-mail: mcole@coleengineering.ca Web site: www.coleengineering.ca Contact: Michele Cole, VP, Corporate and Business Development Delivering innovative solutions for all aspects of the Water/Wastewater, Environmental Management, Transportation, and Urban Development sectors, the COLE name has a long standing reputation for integrity, professionalism and excellence in engineering infrastructure. It’s the experience, knowledge and personal commitment of our staff which sets the benchmark for client satisfaction. COMSTOCK CANADA LTD. 18020 – 105 Ave Edmonton AB T5S 2P1 CONESTOGA-ROVERS & ASSOCIATES LTD. 651 Colby Dr Waterloo ON N2V 1C2 (519) 884-0510 Fax: (519) 884-5256 Contact: George Godin, Design Services CONSULTANTS MESAR INC. PO Box 218 Shawinigan QC G9N 6T9 COTTONWOOD CONSULTANTS LTD. 615 Deercroft Way SE Calgary, AB T2J 5V4

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Guide to Environmental Consultants & Laboratories (403) 271-1408 Contact: Cliff Wallis, President CPE STRUCTURAL CONSULTANTS LTD. 200-69 Lesmill Rd North York ON M3B 2T8 (416) 447-8555 Fax: (416) 447-1419 CRANDALL ENGINEERING LTD. 400-1077 St George Blvd Moncton NB E1E 4C9 (866) 857-2777 Fax: (506) 857-2753 Contact: Mike Cormier, President


CTQ CONSULTANTS LTD. 101-1285 Dalhousie Dr Kamloops BC V2C 5Z5

ϭͲϴϬϬͲϮϲϱͲϵϲϲϮ ǁǁǁ͘ƌũďƵƌŶƐŝĚĞ͘ĐŽŵ

DARRYL M. ROBINS CONSULTING INC. 4844 Highway #6 Miller Lake ON N0H 1Z0 (519) 795-7094 Fax: (519) 795-7094 Contact: Darryl Robins, President DBA ENGINEERING LTD. 149 North Muray St E Trenton ON K8V 5R6

DECOMMISSIONING CONSULTING SERVICES LIMITED 11-121 Granton Dr Richmond Hill ON L4B 3N4 (905) 882-5984 Fax: (905) 882-8962 E-mail: engineers@dcsltd.ca Web site: www.dcsltd.ca Contact: Michael Weber, Sr Project Manager Phase I/II ESAs; brownfield assessments; decommissioning and demolition; soil and groundwater remediation and treatment; environmental risk assessments and management; geotechnical engineering; contaminant hydrogeology; USTs/ASTs; wastewater treatment; industrial hygiene; hazardous materials, PCB, mould and asbestos investigation, abatement design and inspection; designated substances surveys; Ontario Safe Drinking Water Act sampling, treatment and reporting for small systems.




DELCAN WATER 500-625 Cochrane Dr Markham ON L3R 9R9 (905) 943-0500 Fax: (905) 943-0400 E-mail: water@delcan.com Web site: www.delcan.net Contact: Jackie Willick, Division Administrator, Water Engineering expertise for the entire water cycle including: strategic reports and environmental assessment, watershed planning, system modelling and plant optimization, preliminary, detailed design and contract administration. DESSAU INC. 1060 University Montreal QC H3B 4V3 DILLON CONSULTING 800-235 Yorkland Blvd Toronto ON M2J 4Y8 (416) 229-4646 Fax: (416) 226-1707 Contact: Diane Forster D.L. SERVICES INC. PO Box 3014 – 120 County Rd 64 Brighton ON K0K 1H0 (613) 475-4155 Fax: (613) 475-0758 Contact: Doug Leblanc, President DML ENVIRONMENTAL SERVICES LTD. 7516 Industrial St Niagara Falls ON L2H 1B1 (905) 358-5401 Fax: (905) 358-3652 Contact: Dan Lococo, Principal

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Consultants DM WILLIS ASSOCIATES LTD. 4-955 Stockdale Rd North Bay ON P1B 9G3 DOWN 2 EARTH ENVIRONMENTAL SERVICES INC. 50 Admiral Rd Kitchener ON N2M 1R1 (519) 716-9208 Contact: Bill Leedham, President DRAGUN CORPORATION 436 Elmstead Rd RR 1 Windsor ON N8N 2L9 (519) 979-7300 Fax: (519) 979-4455 Contact: Christopher Paré, Geologist DST CONSULTING ENGINEERS INC. 203-2150 Thurston Dr Ottawa ON K1G 5T9

Guide to Environmental Consultants & Laboratories EXOVA 2935 Speakman Dr Sheridan Park Mississauga ON L5K 1B3 (905) 882-4111

G.K. ENGINEERING 16 Woodgate Dr Toronto ON M6N 4W3 (416) 763-6273 Contact: George Katsarov, Consultant

EXPERTS-CONSEILS CEP INC. 1980 rue Michelin Laval QC HYL 5C2

GOLDER ASSOCIATES LTD. 100-6925 Century Ave Mississauga ON L5N 7K2 (800) 275-3281 Contact: www.golder.com

EXP SERVICES 301-56 Queen St E Brampton ON L6V 4M8 (905) 796-3200 Contact: John McKee, VP Earth & Environment FERGUSON SIMEK CLARK 202-107 Main St Whitehorse YT Y1A 2A7

EBA ENGINEERING CONSULTANTS LTD. 115-200 Rivercrest Dr SE Calgary AB T2C 2X5


ECOCERN 4 Nursewood Rd Toronto ON M4E 3R8 (416) 699-6045 Contact: David Lewis

FISHER ENVIRONMENTAL LTD. 15-400 Esna Park Dr Markham ON L3R 3K2 (905) 475-7755 Fax: (905) 475-7718 Contact: Gord Onley, Business Development

ECOH MANAGEMENT INC. 6130 Tomken Rd Mississauga ON L5T 1X7 (905) 795-2800 Fax: (905) 795-2870 Contact: Catherine Mills, Manager, Business Development

FOCUS CORPORATION 300-9925 109 St NW Edmonton AB T5K 2J8

EDA COLLABORATIVE INC. 10212 – 111 St Edmonton AB T5K 1K9 ENVIR-EAU INC. 204-160 boul de L’Hopital Gatineau QC J8T 8J1 ENVIROCHEM SERVICES INC. 310 East Esplanade North Vancouver BC V7L 1A4 (604) 986-0233 Fax: (604) 986-8583 Contact: Paul Beauchemin, Partner & Director ENVIRON EC (CANADA) Inc. 100-2400 Meadowpine Blvd Mississauga ON L5N 6S2 (289) 290-0600 Fax: (905) 821-3711 Contact: Ted Pollock, Managing Principal ENVIRONMENTAL DYNAMICS INC. 201-1110 – 6th Ave Prince George BC V2L 3M6 ENVIRONMENTAL SOLUTIONS REMEDIATION SERVICES 5-67 Frid St Hamilton ON L8P 4M3 (905) 524-1523 Fax: (905) 524-2536 Contact: Richard Nellis, A VP ENVIROWEST CONSULTANTS INC. 130-3700 North Fraser Way Burnaby BC V5J 5H4 (604) 451-0505 Fax: (604) 451-0557 ERAMOSA ENGINEERING INC. 400-600 Crowfoot Cres NW Calgary AB T3G 0B4 ETCOS ENVIRONMENTAL 96 Terrosa Rd Markham ON L3S 2N1 (905) 471-9890 Fax: (905) 471-6439 Contact: Ravi Sharma, Project Manager

FISHER LABS 15-400 Esna Park Dr Markham ON L3R 3K2 (905) 475-7755 Fax: (905) 475-7718 Contact: Roger Lin, Lab Manager FRANZ ENVIRONMENTAL INC. 4005 Hickory Dr Mississauga ON L4W 1L1 (905) 614-1978 Fax: (905) 614-1981 Contact: Thomas Franz, President

GOSS GILROY INC. 401 Empire Ave St. John’s NL A1E 1W6 GREENMARK 34 Hopperton Dr Toronto ON M2L 2S6 (416) 570-7609 Contact: Shirley Segev, Principal GREENWOOD & ASSOCIATES 280 Inglewood Dr Toronto ON M4T 1J1 GREER GALLOWAY GROUP 1620 Wallbridge-Loyalist Rd Belleville ON K8N 4Z5 GROUNDWATER ENVIRONMENTAL MANAGEMENT SERVICES INC. 69 Connie Cres Concord ON L4K 1L3 (905) 907-3077 Fax: (905) 907-6617 Contact: Crystal McGaffey, Office Administrator GROUPE CONSEIL BELLEFEUILLE 107, rue St Louis St-Eustache QC J7R 1X8 GROUPE-CONSEIL ENTRACO INC. 110-1418 Victoria Ave Greenfield Pk QC J4V 1M1


GROUPE CREATECH (LE) 1, carref Alexander-Graham-Bell Verdun QC H3E 3B3

G3 CONSULTING LTD. 206-8501 162nd St Surrey BC V4N 1B2 (604) 598-8501 Fax: (604) 598-8525 Contact: Wendy Hannon, Office Manager

GUTTMAN ENGINEERING SERVICES 58 Geraldton Cres Toronto ON M2J 2R6 (416) 770-1829 Contact: Hershel Guttman, Sole Proprietor

GALSON LABORATORIES 6601 Kirkville Rd East Syracuse NY 13057 (315) 427-4222

H2O ENVIRONMENTAL LTD. 3060 Lake Rd Denman Island BC V0R 1T0

GAMSBY & MANNEROW LTD. 330 Trillium Dr Unit D Kitchener ON N2E 3J2 GENIVAR INC. 500-600 Cochrane Dr Markham ON L3R 5K3 GEOCOR ENGINEERING INC. 120 Lappans Lane Kingston ON K7K 6Z4 (613) 507-1855 Fax: (613) 507-1857 Contact: Scott H. Cordell, President GEO SYNTEC CONSULTANTS 2-130 Research Lane Guelph ON N1G 5G3 GHD 310-11 Allstate Pkwy Markham ON L3R 9T8 (905) 752-4331 Fax: (905) 752-4301 GIFFELS ASSOCIATES LTD/IBI GROUP 31 International Blvd Toronto ON M9W 5P3

HARGRAVE & COMPANY 61 Brooklyn Ave Toronto ON M4M 2X4 (416) 410-4188 Fax: (416) 410-4188 E-mail: BillHargrave@Hargrave-Company.ca Web site: www.Hargrave-Company.ca Contact: William Hargrave, Principal Nationally recognized specialists in the planning, engineering and scientific services needed for drinking-water systems including water quality assessments, treatability evaluations, optimization programs, feasibility and predesign reports, facility designs, O&M manuals; plant troubleshooting, commissioning and staff training. HATCH MOTT MACDONALD LTD. 301-200 S Syndicate Ave Thunder Bay ON P6E 1C9 (807) 623-3449 Fax: (807) 623-5925 Contact: Kathy Bemben, Project Manager HATFIELD CONSULTANTS 200-850 Harbourside Dr North Vancouver BC V7P 0A3 (604) 926-3261 Fax: (604) 926-5389 Contact: Grant Bruce, President HEMMERA 250-1380 Burrard St Vancouver BC V62 2H3 (604) 669-0424 Fax: (604) 669-0430 Contact: Eric Pringle, Vice President, Development

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Guide to Environmental Consultants & Laboratories HGC ENGINEERING 203-2000 Argentia Rd - Plaza 1 Mississauga ON L5N 1P7 INSITU CONTRACTORS INC. 150 Stevenson St S Guelph ON N1E 5N7 (519) 763-0700 Fax: (519) 763-6684 Contact: H. Oussoren, President INTERNATIONAL WATER CONSULTANTS LTD. PO Box 310 - 342 Bayview Dr Barrie ON L4M 4T5 (705) 733-0111 Fax: (705) 721-0138 Contact: Gary A. Kuehl, Vice President ISL ENGINEERING 601-8880 Horton Rd SW Calgary AB T2V 2W3 ITRANS CONSULTING INC. 410-1545 Carling Ave Ottawa ON K1Z 8P9 JFM ENVIRONMENTAL LTD. 1-318 Neptune Cres London ON N6G 5G6 (519) 951-9191 Fax: (519) 452-3089 Contact: Frank C Colozza, Partner, Sr. Hydrogeologist

Contact: Sean J. Kavanagh, Regional Manager KERR WOOD LEIDAL ASSOCIATES LTD. 200-4185A Still Creek Dr Burnaby BC V5C 6G9 (604) 294-2088 Fax: (604) 294-2090 Contact: Mike Currie, President KGS GROUP 440-2365 Albert St Regina SK S4P 4K1 (306) 757-9681 Fax: (306) 757-9684 Contact: Bruce McLeod, Manager, Environment Services/Water & Wastewater KLEINFELDT CONSULTANTS LTD. 102-2400 Meadowpine Blvd Mississauga ON L5N 6S2 KLOHN CRIPPEN BERGER LTD. 500-2618 Hopewell Pl NE Calgary AB T1Y 7J7 KNIGHT PIESOLD LTD. 1400-750 Pender St W Vancouver BC V6C 2T8 (604) 685-0543 Fax: (604) 685-0147 Contact: Kim Cameron, Marketing LABELLE, RYAN, GENIPRO INC. 436, rue de la Madone Mont-Laurier QC J9L 1S3 LAMBERT ENVIRONNEMENT 106 chemin Lambert Riviere-Ouelle QC G0L 2C0 (800) 463-1313 Fax: (418) 852-3352 Contact: Jack Scholtens, Sales

J.K. ENGINEERING LTD. 320-7930 Bowness Rd NW Calgary AB T3B 0H3 (403) 247-1777 Fax: (403) 286-9895 E-mail: jkeng@telus.net Web site: www.jkeng.ca Contact: Jan Korzeniowski, President Engineering consulting since 1987. Water supply, treatment, distribution. Groundwater development, monitoring, reclamation. Wastewater (municipal and industrial) collection, treatment, disposal. Organic sludges; aerobic and anaerobic treatment and disposal. Storm drainage, solid and liquid waste management. Water and wastewater treatment equipment fabrication and supply. Project design, tendering, construction supervision and management.

LES CONSULTANTS LBCD 1001-425 boul de Maisonneuve O Montreal QC H3A 3G5 LEVELTON CONSULTANTS LTD. 150-12791 Clarke Pl Richmond BC V6V 2H9 (604) 278-1411 Fax: (604) 278-1042 Contact: Alex Schutte, V.P. Operations LGL LIMITED 100-3365 Harvester Rd Burlington ON L7N 3N2 LPT ENVIRO INC. 404-540 boul de l’Hopital Gatineau QC J8V 3T2 (819) 243-5853 Fax: (819) 243-9130 Contact: Luc Tousignant, President LVM SENDEX LTD. 417 Exeter Rd London ON N6E 2Z3 (519) 680-3868 Fax: (519) 680-3870 Contact: Marc Trudell, Director

J.L. RICHARDS & ASSOCIATES LTD. 864 Lady Ellen Pl Ottawa ON K1Z 5M2 (613) 728-3571 Fax: (613) 728-6012 Web site: www.jlrichards.ca Contact: Brian Hein P.Eng., Chief Environmental Engineer Providing a wide range of environmental services including water and wastewater treatment plants, environmental assessment and planning, solid waste management, water resources and stormwater management, sewer and watermain condition assessment and rehabilitation design and energy management. Offices also in Kingston, Hawkesbury, Sudbury, Timmins and North Bay. J.M. DAVIS AND ASSOCIATES LIMITED 50 Ann St Georgetown ON L7G 2V2 (905) 877-9665 Contact: Mike Davis, President J.T. DONALD CONSULTANTS LTD. 2 – 251 Bartley Dr Toronto ON M4A 2N7 (416) 751-5230 Fax: (416) 751-6745 Contact: Walter A. Ringis KAVANAGH ASSOCIATES (A DIV. OF R.V. ANDERSON ASSOCIATES LTD.) 74 O’Leary Ave/P O Box 13039 Stn A St John’s NL A1B 3V8 (709) 722-0024 Fax: (709) 722-0345


MALROZ ENGINEERING INC. 84 Beverley St Kingston ON K7L 3Y6 MARSHAL MACKLIN MONAGHAN LTD. 100 Commerce Valley Dr W Thornhill ON L3T 0A1

MASKWA ENGINEERING LTD. 925 Mackenzie Hwy Hay River NT X0E 0R3 (867) 874-2207 Fax: (867) 874-2763 E-mail: chris_maskwa@northwestel.net Contact: Chris Robinson, Director/Chief Engineer Maskwa is an aboriginal owned company serving the Northwest Territories, Nunavut, and northern Alberta. We provide municipal engineering, water and sewage treatment, quality control testing, environmental assessments, water resources, structural, electrical, building services, construction surveys, construction management, CADD/drafting services, GIS information system, and maintenance management. MATRIX SOLUTIONS 150-13 Ave SW Calgary AB T2R 0V2

Consultants MAXXAM ANALYTICS 500-1919 Minnesota Ct Mississauga ON L5N 0C9 (905) 288-2150 Fax: (905) 288-2196 Contact: Justine Darby, Marketing Coordinator MCELHANNEY CONSULTING SVCS LTD. 500-999 – 8th St SW Calgary AB T2R 1J5 MCINTOSH PERRY 115 Walgreen Rd RR #3 Carp ON K0A 1L0 (613) 836-2184 Fax: (613) 836-3742 Contact: Mark Priddle, Manager, Environment MICHAEL HOLLIDAY & ASSOCIATES 149 Bayswater Ave Ottawa ON K1Y 2G2 (613) 728-9769 Fax: (613) 728-9769 Contact: Michael Holliday, Principal MILLENNIUM EMS SOLUTIONS LTD. 6111-91 St Edmonton AB T6E 6V6 (780) 496-9048 Fax: (780) 496-9049 Contact: Shireen Patel, Executive Assistant MINDSCAPE INNOVATIONS GROUP INC. 702-30 Duke St W Kitchener ON N2H 3W5 (519) 744-3592 Fax: (519) 804-1030 Contact: Derek Satnik, Managing Director & Chief Innovation Officer MORRISON ENVIRONMENTAL LTD. 1-1087 Meyerside Dr Mississauga ON L5T 1M5 (905) 564-8944 Fax: (905) 564-8952 Contact: Bill Morrison, President MORRISON HERSHFIELD LTD. 2440 Don Reid Dr Ottawa ON K1H 1E1 MPE ENGINEERING LTD. 260 East Atrium-2635 – 37 Ave NE Calgary AB T1Y 5Z6 (403) 250-1362 Fax: (403) 250-1518 Contact: Colin McNab, Region Manager MSR SOLUTIONS INC. 301-310 St James St Victoria BC V8V 1J8 MTE CONSULTANTS INC. 520 Bingemans Centre Dr Kitchener ON N2B 3X9 (519) 743-6500 Fax: (519) 743-6513 Contact: John Goodwin, Director MUNICIPAL INFRASTRUCTURE GROUP 200-800 Dufferin St Vaughan ON L4K 0C5 MYM CONSULTING SERVICES 617 Fothergill Blvd Burlington ON L7L 6E3 (905) 333-3623 Fax: (905) 333-9715 Contact: Michael Mark, President & Sr. Technical Consultant NADINE INTERNATIONAL INC. 210-2570 Matheson Blvd E Mississauga ON L4W 4Z3 (905) 602-1850 Fax: (905) 602-1853 Contact: Ajwad Gebara, President NAYLOR ENGINEERING ASSOCIATES LTD. 3-440 Hardy Rd Brantford ON N3T 5L8 NEWFOUNDLAND DESIGN ASSOCIATES LTD. 280 Torbay Rd St. John’s NL A1A 3W8 NEXT ENVIRONMENTAL INC. 215-2550 Boundary Rd Burnaby BC V5M 3Z3 (604) 419-3800 Fax: (604) 419-3801 Contact: Harm Gross, President NOVATEC CONSULTANTS INC. 101-2415 Columbia St Vancouver BC V5Y 3F7

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Guide to Environmental Consultants & Laboratories

NOVUS ENVIRONMENTAL INC. 105-150 Research Lane Guelph ON N1G 4T2 (226) 706-8080 OPUS DAYTON KNIGHT CONSULTANTS LTD. 210-889 Harbourside Dr North Vancouver BC V7P 3S1

PLURITEC 1100 place du Technoparc Trois-Rivieres QC G9A 0A9 (819) 379-8010 Fax: (819) 379-8092 Contact: Pierre Bellavance, Director Environment

(705) 446-3590 Fax: (705) 446-3588 Contact: Gerhard Runge, Principal

ORTECH ENVIRONMENTAL 804 Southdown Rd Mississauga ON L5J 2Y4

PARACEL LABORATORIES LTD. 300-2319 St Laurent Blvd Ottawa ON K1G 4J8 (800) 749-9577 E-mail: paracel@paracellabs.com Web site: www.paracellabs.com Contact: Rachel Jones, Client Services Manager Paracel Laboratories is a full service environmental laboratory specializing in organic, inorganic, mold and fungi, bacteria, allergen and asbestos analysis. Our industry-leading TATs and Client Services Program sets us apart. Locations include the Ottawa environmental lab, Nepean microbiology lab, Mississauga asbestos lab/depot and our depot locations in Kingston, Niagara and Sarnia. PATERSON GROUP 1-28 Concourse Gate Nepean ON K2E 7T7 PERMACON GROUP INC. 8140 rue Bombardier Anjou QC H1J 1A4

Consulting Engineer

PETER J. LAUGHTON, P.ENG. CONSULTING ENGINEER ENVIRONMENTAL ENGINEERING SERVICES 7 Bella Vista Trail Alliston ON L9R 2B3 (705) 434-9563 Cell: (289) 221-4220 E-mail: p.laughton@pjlaughtonenv.com Contact: Peter Laughton, Principal Services: feasibility studies, reports, strategic long range planning, environmental strategies, public participation, project management, design and construction advisory services, quality assurance and peer reviews, operational assistance, audits and general advisory services in the environmental engineering field mainly related to wastewater pumping, conveyance, and treatment including sludge handling and biosolids. PETO MACCALLUM LTD. 165 Cartwright Ave Toronto ON M6A 1V5 (416) 785-5110 Fax: (416) 785-5120 Contact: Mahaboob Alam, Manager, Geoenvironmental & Hydrogeological Services PHITELOS SOLUTIONS INC. 462 Edison Ave Ottawa ON K2A 1T9 (613) 722-0662 Fax: (613) 722-3732 Contact: Douglas Phillips, President PINCHIN ENVIRONMENTAL LTD. 2470 Milltower Ct Mississauga ON L5N 7W5 (905) 363-0678 Fax: (905) 363-0681 Contact: Jose Barinque, CRM & Events Coordinator PINTER & ASSOCIATES LTD. 710A 48th St E Saskatoon SK S7K 5B4 PLANMAC ENGINEERING INC. 105 - 15 North Queen St Toronto ON M8Z 6C1 (416) 626-5300 Fax: (416) 622-6710 Contact: Robert Maksymec, President

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POLLUTECH ENVIROQUATICS LIMITED 122-704 Mara St Point Edward ON N7V 1X4 (519) 339-8787 Fax: (519) 336-6965 E-mail: tmoran@pollutechgroup.com Web site: www.pollutechgroup.com Contact: Tim Moran, President As leaders in the provision of toxicity testing services, Pollutech’s clientele includes municipal, industrial, government and private organizations. Environmental consulting services including provision of Toxicity Identification Evaluations (TIE), coupled with Pollutech’s wastewater process expertise, positions Pollutech well to address wastewater toxicity issues including source assessment, treatment optimization and facility operation. PORRINGER INC. 34 Hopperton Dr Toronto ON M2L 2S6 (416) 446-1062 Contact: Ron Segev, Principal

R.V. ANDERSON ASSOCIATES LIMITED 400-2001 Sheppard Ave E Toronto ON M2J 4Z8 (416) 497-8600 Fax: (416) 497-0342 E-mail: toronto@rvanderson.com Web site: www.rvanderson.com Contact: Cindy Coish, Assistant to the President Environmental and infrastructure specialists: planning and management, design and construction, operations and optimization services for water, wastewater, transportation and urban development. Branches: London, Niagara, Ottawa, Sudbury, Moncton, Fredericton, St John’s and Mumbai, India. RWDI 650 Woodlawn Rd W Guelph ON N1K 1B8 (519) 823-1311 Fax: (519) 823-1316 Contact: Tammy Gazzola S2S ENVIRONMENTAL INC. 260-1099 Kingston Rd Pickering ON L1V 1B5 (416) 410-4333 Fax: (416) 410-4088 Contact: Saleem Dedhar, President SANDWELL ENGINEERING INC. 100-1016B Sutton Dr Burlington ON L7L 6B8


SANEXEN ENVIRONMENTAL SERVICES INC. 9935 Ave Catania Door #1 Brossard QC J4Z 3V4 (800) 263-7870 Contact: Jacques Dion, V.P., Business Development

READ, VOORHEES & ASSOCIATES LTD. 201-2 Duncan Mill Rd Toronto ON M3B 1Z4

SARAFINCHIN ASSOCIATES LTD. 238 Galaxy Blvd Toronto ON M9W 5R8 (416) 674-1770

RESDEV TAX CONSULTANTS 421 Eglinton Ave E Toronto ON M4P 1M6 (416) 250-9603 Fax: (416) 250-0443 Contact: William Stark, President

SCHAEFFER & ASSOCIATES LTD. 6 Ronrose Dr Concord ON L4K 4R3 (905) 738-6100 Fax: (905) 738-6875 Contact: Zaven Sarkissian, Principal

R.E. POISSON ENGINEERING INC. 200 – 55 Cork St E Guelph ON N1H 2W7 RESCAN ENVIRONMENTAL SERVICES LTD. 101-770 Cormorant St Victoria BC V8W 3J3 R.F. BINNIE & ASSOCIATES LTD. 801B-29th St Courtenay BC V9N 7Z5 (250) 334-3846 Fax: (250) 334-2645 Contact: Hal Martyn, Sr. Engineer/Project Manager

SCHEFFER ANDREW LTD. 12204 – 145 St NW Edmonton AB T5L 4V7 (780) 732-7800 Fax: (780) 732-7878 E-mail: office@schefferandrew.com Web site: www.schefferandrew.com Contact: Marinus Scheffer, Principal Scheffer Andrew Ltd. is a leading supplier of professional engineering and planning services in Western Canada. For over 30 years, we have provided Canadian clients with an integrated, multidisciplinary approach to land services and unparalleled professionalism.

RICHARDSON FOSTER LTD. 2-34 Ep Lee Dr Bracebridge ON P1L 1A0 RIVERCOURT ENGINEERING INC. 4 Beechwood Cres Toronto ON M4K 2K8 (416) 421-4419 Fax: (647) 436-6852 Contact: Andrew Hellebust, President R.J. BURNSIDE & ASSOCIATES LIMITED 15 Townline Orangeville ON L9W 3R4 (519) 941-5331 Fax: (519) 941-8120 Contact: Jeff Langlois, Leader Water/Wastewater ROCHON ENGINEERING LP 84 Simpson Rd Bolton ON L7E 4G2 (905) 857-7979 Fax: (905) 857-9196 Contact: Oliver Gonzalez, Environmental Manager

SCO-TERRA CONSULTING GROUP LTD. 321 Dufferin Ave London ON N6B 1Z3 (519) 434-0278 Fax: (519) 434-6820 Contact: Richard J. Pellerin, Principal SENDEX ENVIRONMENTAL CORP. 417 Exeter Rd London ON N6E 2Z3 SENES CONSULTANTS LTD. 12-121 Granton Dr Richmond Hill ON L4B 3N4

R RADLOFF & ASSOCIATES 925 Vancouver St Prince George BC V2L 2P6

SGS CANADA INC. 185 Concession St Lakefield ON K0L 2H0 (705) 652-2111 Fax: (705) 652-6365 Contact: Chris Sullivan, Sr. Project Specialist

RUNGE & ASSOCIATES INC. PO Box 387 – 864 Hurontario St Collingwood ON L9Y 3Z7


Environmental Science & Engineering Magazine

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Guide to Environmental Consultants & Laboratories


107-93 Bell Farm Rd Barrie ON L4M 5G1 (705) 726-1141 Fax: (705) 726-0331 Contact: Sandra Culbert, Office Coordinator


SLR CONSULTING (CANADA) LTD. 1586 Ogilvie St Prince George BC V2N 1W9 (250) 562-4452 Fax: (250) 562-4458 Contact: Robert Brown, Operations Manager

THE GREER GALLOWAY GROUP INC. 973 Crawford Dr Peterborough ON K9J 3X1

SNC-LAVALIN ENVIRONMENT 8648 Commerce Court Burnaby BC V5A 4N6 (604) 515-5125 E-mail: env_communications@snclavalin.com Web site: www.snclavalin.com Contact: Jeanne Coleman, Manager, Marketing & Communications SNC-Lavalin Environment has one of the most comprehensive environmental engineering and consulting teams in Canada, with over 50 years of experience and some 1,200+ specialists providing environmental services worldwide, with specialized expertise in the power, infrastructure, chemicals & petroleum, mining, industrial, rural development and climate change sectors. Our expertise spans the entire project life cycle from project initiation, planning and engineering, to construction, operations and decommissioning. SOIL ENGINEERS LTD. 100 Nugget Ave Toronto ON M1S 3A7 SOIL MAT ENGINEERS & CONSULTANTS INC. 130 Lancing Dr Hamilton ON L8W 3A1 SOLINOV INC. 240-100 Rue Richelieu Saint Jean-Sur-Richelieu QC J3B 6X3 (450) 348-5693 Fax: (450) 348-3607 Contact: Benoit Beaudoin, President SOLROC 4000 Griffith Montreal QC H4T 1A8 (514) 737-6541 Fax: (514) 342-5855 Contact: Guy Arbour

STANTEC 200-325 25th St SE Calgary AB T2A 7H8 (403) 716-8000 Fax: (403) 716-8039 E-mail: gord.johnston@stantec.com Web site: www.stantec.com Contact: Gord Johnston, Sr. Vice President Focusing on the application of knowledge and technology for the development and management of sustainable solutions for air, water, and soil, Stantec provides professional services in water, wastewater, air quality, water resources, waste management, environmental site assessment, and remediation. Stantec = Sustainable Solutions. STORY ENVIRONMENTAL INC. 332 Main St Haileybury ON P0J 1K0 (705) 672-3324 Fax: (705) 672-3325 Contact: Maria Story, President STRAGIS ENVIRONMENTAL SERVICES INC. 120 Hume St Collingwood ON L9Y 1V5 (705) 444-8805 Fax: (705) 444-5482 Contact: Jim Hartman, President SUMMIT ENVIRONMENTAL CONSULTANTS 1609-39A Ave Vernon BC V1T 7S3 TANKTEK ENVIRONMENTAL SERVICES LTD. 970 3rd Concession Rd Pickering ON L1V 2P8 (905) 839-4400 Fax: (905) 839-6600 Contact: Thomas Burt, President TBT ENGINEERING LIMITED 1918 Yonge St Thunder Bay ON P7E 6T9 (807) 624-5160 Fax: (807) 624-5161 Contact: Rob Frenette, President TEKNIKA HBA 150 rue Vimy N Sherbrooke QC J1J 3M7

THE SERNAS GROUP INC. 41-110 Scotia Crt Whitby ON L1N 8Y7 THE THOMPSON ROSEMOUNT GROUP INC. 1345 Rosemount Ave Cornwall ON K6J 3E5 THURBER ENGINEERING LTD. 100-4396 W Saanich Rd Victoria BC V8Z 3E9 TMM ENVIRONMENTAL INC. 2373 Leonard Rd Windsor ON N8W 4L6 (519) 982-4620 Contact: Tania Mask, President TRITON ENGINEERING CONSULTANTS LTD. 201-1157 5th Ave Prince George BC V2L 3L1 (250) 562-9155 Fax: (250) 562-9135 Contact: Dave Warburton, Operations Manager TRUE GRIT CONSULTING LTD. PO Box 2113 Sioux Lookout ON P8T 1J9 TULLOCH ENGINEERING 1942 Regent St Unit L Sudbury ON P3E 5V5 URBAN & ENVIRONMENTAL MANAGEMENT 120 Colborne St Units 106 & 107 Brantford ON N3T 2G6 (519) 752-8686 Fax: (519) 752-6419 Contact: Wayne Wood, Regional Manager URBAN SYSTEMS LTD. 304-1353 Ellis St Kelowna BC V1Y 1Z9 URS CANADA INC. 75 Commerce Valley Dr E Markham ON L3T 7N9 (905) 882-4401 VERITEC CONSULTING INC. 12-1495 Bonhill Rd Mississauga ON L5T 1M2

TERRAFIX ENVIRONMENTAL 455 Horner Ave Toronto ON M8W 4W9 TERRAIN GROUP INC. 1 Spectacle Lake Dr Dartmouth NS B3B 1X7 TERRAPEX ENVIRONMENTAL LTD. 920 Brant St Burlington ON L7R 4J1 SPILL MANAGEMENT INC. 45 Upper Mount Albion Rd Stoney Creek ON L8J 2R9 (905) 578-9666 Fax: 905-578-6644 E-mail: contact@spillmanagement.ca Web site: www.spillmanagement.ca Contact: Ruth Holland, General Manager 75% of known hands-on course content for: 1) Testing, evaluating, identifying properties of known and unknown substances; 2) Spill control techniques and countermeasures for major and minor spills; 3) Onsite recovery and waste reduction for industry, and emergency services. SPRIET ASSOCIATES LONDON LTD. 155 York St London ON N6A 1A8 SRK CONSULTING ENGINEERS 205-2100 Airport Dr Saskatoon SK S7L 6M6 (306) 955-4778 Fax: (306) 955-4750 Contact: Mark Liskowich, Practice Leader STIRLING ENGINEERING INC. PO Box 313 Ingleside ON K0C 1M0 (613) 362-7847 Fax: (613) 537-8523 Contact: Robert Wilson, President


TERRAPROBE LTD. 25-220 Bayview Dr Barrie ON L4N 4Y8

TESTMARK LABORATORIES LTD. 4-6820 Kitimat Rd Mississauga ON L5N 5M3 (888) 282-0422 Fax: (705) 693-1124 E-mail: customer.service@testmark.ca Web site: www.testmark.ca Contact: Sylvia Rennie, Director of Marketing Testmark Laboratories Ltd. provides quality organic, inorganic, toxicological, industrial and microbiological analytical testing services to industrial, municipal and private sector-clients. Testmark’s locations are accredited to ISO 17025 by CALA, and licensed by the Ontario Ministry of the Environment. Locations: Sudbury – Mississauga – Kirland Lake – Timmins.

WALKERTON CLEAN WATER CENTRE 20 Ontario Rd/PO Box 160 Walkerton ON N0G 2V0 (519) 881-2003, (866) 515-0550 Fax: (519) 881-4947 E-mail: inquiry@wcwc.ca Web site: www.wcwc.ca The Walkerton Clean Water Centre features a leading technology demonstration facility, which serves as a practical resource for technology assessment, hands-on training and applied research for drinking water professionals. WARDROP ENGINEERING INC. 2200-500 4th Ave SW Calgary AB T2P 2V6 WATER & EARTH SCIENCE ASSOCIATES 1-4 Kern Rd Toronto ON M3B 1T1 WATERS ENVIRONMENTAL GEOSCIENCES LTD. PO Box 4341 Lively ON P3Y 1N3 (705) 692-0937 Fax: (705) 692-0466 Contact: Peter Richards, President

TETRA TECH INC. 1055 Squires Beach Rd Pickering ON L1W 4A6

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January 2013 D5_ES&E 13-02-05 7:53 PM Page 84

Here’s why you should register today for CANECT 2013

April 29-May 1, Mississauga, Ontario

Consultants Reg Marcister by h you c 1 and o wi uld iPad n an mini !*

Dear Colleague: Before you read the enclosed brochure, we wanted to share with you some personal reasons why we think that registering at the Canadian Environmental Conference + Tradeshow 2013 (CANECT ’13) makes sense.

This is our best program ever! Over the past 21 years, CANECT has grown to become Canada’s leading forum for those with environmental responsiblities. A CANECT registration is a passport to future career and professional development - one backed up by valuable Certificates of Attendance and resumé-enhancing Continuing Education Units (CEUs). At CANECT you can share your knowledge, network with others who share your passion, and make valuable new contacts among Canada’s environmental community and Canada’s most forward-looking corporations. For our 21st anniversary year, we have incorporated into our regular line-up of nine practical environmental management courses, two special brand new sessions dealing with water/wastewater regulation and compliance and waste management, diversion and stewardship.

WATER FOR PEOPLE – CANADA 300-295 Consumers Rd Toronto ON M2J 5B6 (416) 499-4042 Fax: (416) 499-4687 Web site: www.waterforpeople.org Water For People-Canada is a charitable nonprofit international humanitarian organization dedicated to the development and delivery of clean, safe water and sanitation solutions in developing nations. It is the Canadian equivalent of the US based charity, Water For People (WFP). Canadian water industry professionals established Water for People-Canada in 1995, to support and promote WFP’S mission in Canada among the public and the water community. WESA 23-240 London Rd W Guelph ON N1H 8N8 WESLAKE INC. 301-446 Grey St Brantford ON N3S 7L6 WEST SHORE ENVIRONMENTAL SERVICES 103-859 Orono Ave Victoria BC V9B 2T9 WINCHURCH ENVIRONMENTAL INC. 2340 Holyhead Dr Burlington ON L7P 3V3

Join us this year for CANECT 2013 and be sure to benefit by attending our best program ever!

Invest now in new strategies to work smarter and more cost-effectively CANECT presenters comprise over 70 of Canada’s leading environmental engineers, consultants and lawyers. You will never find a more cost-effective opportunity to tap into this range and depth of expertise. In one day at CANECT, you can gain professional insights that it would take years to acquire. You discover fresh ideas and new ways to manage environmental responsibilities more effectively -- making your contribution to your organization even more valuable!

Invest TODAY in fresh inspiration to last a lifetime! A CANECT registration is not just your best professional development opportunity of the year, it is also your passport to hear keynote speakers who can inspire for life. This year your CANECT registration includes access to talks by: Leonard Brody, business and technology visionary, speaking on The Future of Canada, Technology and the Changing Workforce Clara Hughes, six-time Olympic medalist, speaking on Overcoming Obstacles to Achieve the Olympic Dream

WORLEY PARSONS CANADA SERVICES LTD. 4321 Still Creek Dr Burnaby BC V5C 6S7 E-mail: stephen.ross@worleyparsons.com Web site: www.worleyparsons.com (604) 298-1616 Fax: (604) 298-1625 Contact: Stephen Ross, Sr. Vice President Infrastructure & Environment Worley Parsons is a leading engineering and environmental management service provider for the resources and energy sectors and complex process industries. From new asset creation to services that sustain and enhance operating assets, our global network of specialists use their extensive expertise to deliver small studies through to mega-projects. WPC SOLUTIONS INC. 335 Hampshire Crt NW Calgary AB T3A 4Y4 (403) 547-7281 Fax: (403) 547-8261 Contact: Warren Wilson, President

Dr. Linda Duxbury, Carleton University, speaking on Work-Life Balance – Rhetoric vs Reality Add in your FREE access to a tradeshow featuring over 400 exhibits covering environmental and health and safety products and services, plus a one-in-four chance of winning valuable prizes such as i-Pods*, DVDs, etc., and you have much more than a training session. You have a real opportunity for inspirational team-building.

Register for your sessions before March 1 and you could win an I-pod mini!!* For details visit: www.envirogate.ca

Steve Davey

Lawrence Earl

Steve Davey,

Lawrence Earl,

Principal, Envirogate Event Management Inc. Publisher, Environmental Science & Engineering Magazine

Principal, Envirogate Event Management Inc. Publisher, Canadian Environmental Regulation & Compliance News

* Only 3 day registrants are eligible for the I-Pad draw.

84 | January 2013

XCG CONSULTANTS LTD. 300-2620 Bristol Cir Oakville ON L6H 6Z7 (905) 829-8880 Fax: (905) 829-8890 E-mail: gta@xcg.com Web site: www.xcg.com Contact: Deborah Molloy, Marketing Coordinator Expert People. Better Decisions. XCG Consultants Ltd. is an environmental engineering firm that has earned a reputation for excellence. Our staff is committed to delivering innovative and practical solutions. XCG offers comprehensive services in water and wastewater treatment, infrastructure management, water resources, site assessment and remediation, risk assessment, solid waste, and training and operations. ZORIX ENVIRONMENTAL 200-3425 Semenyk Crt Mississauga ON L5C 4P9 (905) 277-1110

Environmental Science & Engineering Magazine

January 2013 D5_ES&E 13-01-31 9:49 PM Page 85

Guide to Environmental Equipment & Service Suppliers


ES&E’s Guide to Environmental Equipment & Service Suppliers NOTE: This guide is intended as a service for ES&E readers only. No claims are made that it is a comprehensive review. ES&E relies on information supplied by companies who returned questionnaires. ABB INC. 3450 Harvester Rd Burlington ON L7N 3W5 (905) 639-8840 Toll Free: (800) 461-0980 Fax: (905) 639-8639 Contact: G.A. (Redir) Obaji, Product Manager

ACG TECHNOLOGY LTD. 13-131 Whitmore Rd Woodbridge ON L4L 6E4 (905) 856-1414 Fax: (905) 856-6401 E-mail: sales@acgtechnology.com Web site: www.acgtechnology.com Contact: Greg Jackson, President For nearly 30 years, ACG Technology has been providing solutions for water, wastewater and storm water treatment for industries and municipalities. Whether you need a batch or continuous treatment process, or equipment for individual unit operations, chances are we have the right product, either by ACG, or from some of the industry’s leading manufacturers. ACCUWORX INC. 36 Advance Blvd Brampton ON L6T 4J4 (416) 410-7222

ALTECH TECHNOLOGY SYSTEMS INC. 12 Banigan Dr Toronto ON M4H 1E9 (416) 467-5555 Fax: (416) 467-9824 Contact: Alex Keen, President AMERICAN ECOTECH 100 Elm St Factory D Warren RI USA 02885 (877) 247-0403 Fax: (401) 537-9166 Contact: Andy Tolley, Business Manager

(780) 628-5400 Fax: (780) 467-1567 Contact: Ron Wagner, President ARIZONA INSTRUMENT LLC 3375 N Delaware St Chandler AZ 85225 USA (800) 528-7411 Fax: (602) 281-1745 Contact: Rick Ervin, VP of Sales ASHBROOK SIMON-HARTLEY 11600 E Hardy Houston TX 77093 USA (800) 362-9041 Fax: (281) 449-1324 Contact: Carl Boyd, Marketing Manager ASSAY TECHNOLOGY, INC. 1382 Stealth St Livermore CA 94551 USA (800) 833-1258 Fax: (925) 461-7149 Contact: Beth Green, Marketing Specialist

AMERICAN PUBLIC UNIVERSITY 111 W Congress St Charles Town WV 25414 USA (877) 777-9081 Web site: StudyatAPU.com/ese Contact: info@apus.edu American Public University offers more than 170 affordable online degrees and certificate programs in a wide variety of specialties including environmental science. Our tuition is far less than other top online universities. Classes start monthly and are 100% online. Learn more about one of the best values in online education at www.StudyatAPU.com/ese.

ASSMANN CORPORATION OF AMERICA 300 N Taylor Rd Garrett IN 46738 USA (260) 357-3181 Fax: (260) 357-3738 Contact: Steve Rowlison, Eng & Customers Sales ATLANTIC ENVIRONMENTAL TRAINING & ONSITE SERVICES INC. 4-2 Lakeside Park Dr Lakeside NS B3T 1L7 (902) 453-1226 Fax: (902) 453-5838 Contact: William Laurette, President

AMS, INC. 105 Harrison St American Falls ID 83211 USA (800) 635-7330 Fax: (208) 226-7280 Contact: Ji Zheng, Marketing Director ACOUSTIC PRODUCT SALES 77 Columbia Ave RR 1 Long Sault ON K0C 1P0 (613) 534-4154 Fax: (613) 550-0642 E-mail: info@acousticproductsales.com Web site: www.acousticproductsales.com Contact: Blake Noon, Owner Acoustic Product Sales – a supplier of acoustic metal panels (AMPs) manufactured by Genie Audio Industrial Acoustics. AMPs are used to control noise and reverberation (echo) in acoustically hard areas, i.e., pump rooms, water treatment plants, compressor rooms, meeting rooms, etc. Other products – machinery enclosures, acoustic walls, acoustic ceiling panels, noise testing and noise research rooms. ADI SYSTEMS INC. 370 Wilsey Rd Fredericton NB E3B 6E9 (506) 452-7307 Fax: (506) 452-7308 Contact: Connie Smith, Marketing Assistant ADLER TANK RENTALS 260 Mack Place South Plainfield, NJ 07080 USA (315) 604-2504 Contact: Jim Walser, Area Manager AIM ENVIRONMENTAL GROUP 400 Jones Rd Stoney Creek ON L8E 5P4 (905) 560-0090 AIR LIQUIDE CANADA 1700-1250 boul Rene-Levesque W Montreal QC H3B 5E6 (514) 846-7735 AIRVAC, INC. 4217 N Old US 31 Rochester IN USA 46975 (574) 223-3980 Fax: (574) 223-5566 Contact: David Elias, Project Development Manager


ANALYTICAL TECHNOLOGY INC. 6 Iron Bridge Dr Collegeville PA 19456 USA (610) 917-0991 Fax: (610) 917-0992 Contact: Megan Magis, Marketing Coordinator

ANTHRAFILTER MEDIA & COAL LTD. 20 Sharp Rd Brantford ON N3T 5L8 (519) 751-1080 Fax: (519) 751-0617 E-mail: swildey@anthrafilter.net Web site: www.anthrafilter.net Contact: Steve Wildey, General Manager Filter Media Replacement across North America since 1976. Service to all types of filters including: Gravity, Pressure, Traveling Bridge and others. Removal, Disposal, Supply and Installation. Anthracite Filter Media, Filter Sands and Gravels, Garnet, Greensand, Activated Carbon, etc. Quality, Efficiency, Customer Satisfaction. AQUABLAST CORP. 77 Orchard Rd Ajax ON L1S 6K9 (905) 619-3009 AQUATECH DEWATERING CO. INC. 69 Connie Cres Concord ON L3K 1L3 (905) 907-7852 AQUA TECHNICAL SALES INC. 124 MacNab St S Hamilton ON L8P 3C3 (905) 528-3807 Fax: (905) 528-3428 Contact: Brian Gage, President AQUATIC SENTRY CONTROLS INC. 145-23012 Twp Rd 521 Sherwood Park AB T8B 1K2

ATLAS DEWATERING CORPORATION 111 Ortona Ct Concord ON L4K 3M3 (905) 669-6825 Fax: (905) 669-4036 E-mail: info@atlasdewatering.com Web site: www.atlasdewatering.com Contact: Norm Metcalfe, General Manager Atlas Dewatering Corporation, established in 1946, has well over sixty years of experience in the construction dewatering and environmental groundwater/ surface water management industry. Atlas also specializes in bypass pumping systems, providing full turn-key services, pump rentals, and pump sales and service.

AVENSYS SOLUTIONS 422 Consumers Rd Toronto ON M2J 1P8 (416) 499-4421 Fax: (416) 499-0816 E-mail: info@avensys.com Web site: www.AvensysSolutions.com Contacts: Jennifer Loeffler, Tech. Sales Mgr.; Anup Jain, Area Mgr. As an industry leader in process and environmental monitoring systems in the Canadian marketplace, Avensys Solutions provides instrumentation and analytical equipment for measurement of flow, gas, level and water quality. Serving the industrial, water/wastewater, green energy and power generation markets, Avensys Solutions also offers strong engineering and servicing capabilities. AWI (Anthratech Western Inc.) 4450-46 Ave SE Calgary AB T2B 3N7 (866) 255-7377 Fax: (403) 255-3129 Contact: Sonia Braganza, Marketing Assistant

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Suppliers AYSIX TECHNOLOGIES 2-2595 Dunwin Dr Mississauga ON L5L 3N9 (800) 595-0514 BADGER METER INC. PO Box 245036 Milwaukee WI 53224-9536 USA (414) 355 0400 BAKERCORP 3020 Old Ranch Pkwy Seal Beach CA 90740 USA (800) 225-3712 Fax: (562) 430-4865 Contact: Chris Plamann, Marketing Manager

Guide to Environmental Equipment & Service Suppliers Contact: Dusanka Filipovic, President Immediate and measurable, sustainable air emission reduction from hospitals’ operating rooms. Through the use of Deltasorb® Anesthetic Collection Service, hospitals prevent the routine venting of destructive halogenated anesthetics into the environment and their neighborhoods; protect public health; reduce carbon footprint and facilitate a new raw material supply source for valuable medically essential anesthetics. B.N.W. VALVE MANUFACTURING LTD. PO Box 47 Millgrove ON L0R 1V0 (905) 689-4713 Fax: (905) 689-7402 Contact: Harry Rodzoniak, President BOWRIO WATER TECHNOLOGIES INC. 13488-63 Ave Surrey BC V3X 1J9 (604) 592-2464 Fax: (604) 592-2465 Contact: Murray Blair, Managing Partner

BARR PLASTICS Unit A-31192 South Fraser Way Abbotsford BC V2T 6L5 (800) 665-4499 Fax: (604)852-8022 E-mail: info@barrplastics.com Web site: www.barrplastics.com Contact: Dean Barrett, Business Development Manager Established in 1968, BARR Plastics is a Master Distributor of the top brands of plastic tanks and containers in North America. BARR offers a superior and unique line of rainwater and stormwater tanks as well as dock components, brine systems, septic systems and accessories, with services in custom fabrication and plastic welding. BASF CANADA INC. 2626 Argentia Rd Mississauga ON L5N 5N2 (289) 360-1300 Fax: (289) 360-6000 Contact: Dan Veneruzzo BELZONA GREAT LAKES 2-563 Edward Ave Richmond Hill ON L4C 9W7 (905) 737-1515 Fax: (905) 737-1597 Contact: Laura Mendrek, Business Development Coordinator BIO AIR SOLUTIONS, LLC 303-110 Kresson Gibbshore Rd Voorhees NJ 08043 USA (856) 258-6969 Contact: Chris West, Sales Manager BIODISK CORPORATION 426 Royal York Rd Toronto ON M8Y 2R9 (416) 503-4100 Fax: (416) 503-4101 Contact: Nancy Liao, Marketing Manager BIO-MICROBICS, INC. 8450 Cole Pkwy Shawnee KS 66227 USA (913) 422-0707 Fax: (913) 422-0808 Contact: Loretta Andersen, Director, Sales & Enquiries BIRKSCO 2132 – Fifteen Sideroad Moffat ON L0P 1J0 (905) 854-9875 Fax: (905) 854-0180 Contact: Michael Birks, Owner BISHOP WATER TECHNOLOGIES PO Box 669 Eganville ON K0J 1T0 (613) 628-5266 Fax: (613) 628-5978 Contact: Kevin Bossy, CEO

BLUE-ZONE TECHNOLOGIES LTD. 14-84 Citation Dr Concord ON L4K 3C1 (905) 761-1224 Fax: (905) 761-3371 E-mail: dfilipovic@blue-zone.ca Web site: www.blue-zone.ca

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BRENTWOOD INDUSTRIES 610 Morgantown Rd Reading PA 19611 USA (610) 374-5109 Fax: (610) 376-6022 E-mail: jbailey@brentwoodindustries.com Web site: www.brentwoodindustries.com Contact: Jason Bailey, Product Line Manager Brentwood’s StormTank™ Stormwater Modules provide innovative solutions for spatial maximization and sustainable water management. These strong, affordable modules are a successful alternative to crushed stone, concrete structures, or pipe chambers while offering the largest void space of any underground system on the market and load tested with an HS-25 rating. BSI GROUP CANADA 414-6205B Airport Rd Mississauga ON L4V 1E3 (416) 620-9991 BURKERT FLUID CONTROL SYSTEMS 5002 South Service Rd Burlington ON L7L 5Y7 (905) 632-3033 BURNS & WILCOX CANADA 1240-333 Bay St Toronto ON M5H 2R2 (416) 774-2477 Fax: (416) 497-7581 Contact: Gary Hirst, National Director

C&M ENVIRONMENTAL TECHNOLOGIES INC. 207-48 Alliance Blvd Barrie ON L4M 5K3 (705) 725-9377 Fax: (705) 725-8279 E-mail: info@cmeti.com Web site: www.cmeti.com Contacts: Tonia Van Dyk, Joshua Hamilton, Larry Madden Representative and distributor for water and wastewater treatment equipment including: screens, grit removal, screenings washers/compactors, circular/rectangular clarifiers, clarifier covers, launder covers, chain and flight collectors, fine/coarse bubble and mechanical aeration, IFAS systems, lagoon systems, tertiary filters, filter underdrain systems, digester covers/mixers, screw conveyors, live bottom bins, silos, sludge thickeners, package treatment plants, tablet chlorinators, tube settlers, slide and sluice gates, FRP weirs and baffles. CANADA PIPE COMPANY 1757 Burlington St E Hamilton ON L8N 3R5 (905) 547-3251 Fax: (905) 547-7369

CANADA UNLIMITED INC. 9-6975 Meadowvale Town Ctr Cir #357 Mississauga ON L5N 2V7 (905) 813-1051 Fax: (905) 824-5067 Contact: Neeta Correa, President CANADIANPOND.CA PRODUCTS LTD. 513 Knowlton Rd Knowlton QC J0E 1V0 (450) 243-0976 Fax: (450) 243-1834 Contact: Mario Paris, President

CANADIAN SAFETY EQUIPMENT INC. 114-2465 Cawthra Rd Mississauga ON L5A 3P2 (800) 265-0182 Fax: (905) 272-1866 Contact: Ross Humphry, Manager Canadian Safety Equipment specializes in confined space entry and rescue equipment including fall protection, gas detection, communication systems and respiratory protection. In addition, we offer the GRACE Lone Worker Monitoring Systems used to monitor lone workers, and in the event that they are hurt or rendered unconscious, will immediately call for assistance. Systems are available for water or wastewater treatment plant monitoring, pumping stations, and can also monitor mobile workers.

CAN-AM INSTRUMENTS LTD. 2851 Brighton Rd Oakville ON L6H 6C9 (905) 829-0030 Fax: (905) 829-4701 E-mail: support@can-am.net Web site: www.can-am.net Contact: Mark Reeves, President Can-Am Instruments Ltd. provides sales, rental and service of environmental monitoring equipment, samplers, flow meters, alarm auto dialers, FRP enclosures, oil/water monitors and separators, TOC, BOD, COD, and respirometry monitors and gas detection systems.

CANCOPPAS LIMITED 2-2595 Dunwin Dr Mississauga ON L5L 3N9 (905) 569-6246 Fax: (905) 569-6244 E-mail: controls@cancoppas.com Web site: www.cancoppas.com Contact: Francine Lemon, Executive Assistant Marketing, sales and service of process control and environmental instrumentation throughout Canada. Specializing in technologies for flow, level, pressure, temperature and on-line analysis for water and wastewater processes. By focusing on products that employ leading edge and unique technologies, Cancoppas is able to provide solutions to problems where other suppliers fall short.

CANECT CANECT - ENVIROGATE EVENT MANAGEMENT 30-220 Industrial Pkwy S Aurora ON L4G 3V6 (905) 727-4666 Fax: (905) 841-7271 E-mail: steve@esemag.com Web site: www.esemag.com Contact: Steve Davey, Director Envirogate is now widely-recognized as Canada’s leading environmental compliance training organization. Producers of the annual Canadian Environmental Conference and Tradeshow (CANECT), our experience and dedication to the field provides registrants access to practical and

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Guide to Environmental Equipment & Service Suppliers proven insights offered by a knowledgeable and approachable roster comprised of Canada’s leading environmental professionals. CARLO GAVAZZI INC. Unit 8-2660 Meadowvale Blvd Mississauga ON L5N 6M6 (905) 542-0979 Fax: (905) 542-2248 Contact: Ray Kiomall, VP Sales, Canada CEA INSTRUMENTS INC. 160 Tillman St Westwood NJ 07675 USA (201) 967-5660 Fax: (201) 967-8450 Contact: Steven Adelman, VP

CENTURY GROUP INC. P.O. Box 225 Sulphur LA 70664-0228 USA (800) 527-5232 Fax: (800) 887-2153 E-mail: railroad@centurygrp.com Web site: www.centurygrp.com Contact: Rusty Vincent, Secretary/Treasurer Century Group manufactures spill containment systems for railroad tank car loading racks, rail car wash facilities, railroad locomotive fueling and tank/trunk transloading facilities. Century Group can assist engineers in the design, installation and writing contingency and inspection plans for railroad spill containment pan systems. CERTIFIED COATING SPECIALISTS INC. 1109 Venables St Vancouver BC V6A 2E3 (604) 255-1001 Fax: (604) 255-1002 Contact: Cliff Harper, CEO CETCO OILFIELD SERVICES 83 Sir James Ct Arva ON N0M 1C0 (519) 663-5444 CHEMCO INC. 124 rue Hambourg Saint-Augustin de Desmaures QC G3A 0B3 (418) 878-5422 Fax: (418) 878-5323 Contact: Jean-Serge leBlanc, Tech Manager/Sales Rep

CLOW CANADA 1757 Burlington St E Hamilton ON L8N 3R5 (905) 548-9604 Fax: (905) 548-6885

CONCEPT CONTROLS INC. Offices in Vancouver, Calgary, Edmonton, Toronto and Montreal (888) 207-2212 E-mail: sales@conceptcontrols.com or rentals@conceptcontrols.com Web site: www.conceptcontrols.com Concept Controls is an innovative company offering safety and instrumentation products to suit any application. We sell, rent, and service a wide selection of gas detection, industrial hygiene, environmental monitoring, and other instrumentation from top manufacturers and take pride in the quality and exceptional level of service we provide. CONSOLIDATED GIROUX ENVIRONMENT INC. 11 Reid St Charlo NB E8E 2W8 (506) 684-5821

CONTINENTAL CARBON GROUP 321-1100 South Service Rd Stoney Creek ON L8E 0C5 (905) 643-7615 Fax: (905) 643-5403 E-mail: info@continental-carbon.com Web site: www.continental-carbon.com Contact: Hugh Skinner, Director Operations Continental Carbon Group – providing consulting and contract services to the water, wastewater and residuals management (biosolids) industries. Service scope includes: filter media supply and service, site/system audits, project management, process trouble shooting, environmental site assessment, alternate energy projects and technology review and implementation. CO-OPERATIVE EDUCATION & CAREER ACTION, UNIVERSITY OF WATERLOO 200 University Ave W Waterloo ON N2L 3G1 (877) 928-4473 Contact: hire.talent@uwaterloo.ca

CHEMLINE PLASTICS LTD. 55 Guardsman Rd Thornhill ON L3T 6L2 (905) 889-7890 Fax: (905) 889-8553 E-mail: request@chemline.com Web site: www.chemline.com Contact: Richard Ruddock, President Chemline stocks manual and actuated valves, strainers, flow meters and controls, all made of corrosion resistant solid thermoplastics; PP and PVDF pipe, fittings, and fusion equipment; Teflon tubing, fittings and valves. Flow meters are variable area, vortex, ultrasonic and paddle wheel type including instruments. Application areas include waste and water treatment plants, landfills, etc. CHRYSALIS SCIENTIFIC TECHNOLOGIES INC. 386 Spring Blossom Cres Oakville ON L6H 0C2 (647) 402-4145 Fax: (866) 533-1436 Contact: Steve Timmings, President

CORRUGATED STEEL PIPE INSTITUTE 2A-652 Bishop St N Cambridge ON N3H 4V6 (519) 650-8080 Fax: (519) 650-8081 E-mail: info@@cspi.ca Web site: www.cspi.ca Contact: Dave Penny, Executive Director The Corrugated Steel Pipe Institute is a Trade Association of manufacturers of CSP. They promote its appropriate use for a wide variety of drainage, storm water management and in ground applications for all environmental conditions. Technical Publications, Education Programs and Project Profiles are available at www.cspi.ca.

Suppliers CUES 3600 Rio Vista Ave Orlando FL 32805 USA (800) 327-7791 Fax: (407) 425-1569 Contact: Paul Stenzler, VP Sales DALIMAR INSTRUMENTS INC. 193 Joseph Carrier Vaudreuil QC J7V 5V5 (450) 424-0033 Fax: (450) 424-0030 Contact: Daniel Laroce, General Manager DAVIS CONTROLS LTD. 2200 Bristol Cir Oakville ON L6H 5R3 (905) 829-2000 Fax: (905) 829-2630 Contact: Barbara Smith DDI HEAT EXCHANGERS INC. 305 Baffin St Dollard-des-Ormeaux QC H9A 3G4 (514) 696-7961 Contact: Erwin Schwartz, President DEVTRA INC – THE CHECKER PO Box 265 Oakville ON L6K 0A4 (905) 825-0172 Fax: (905) 469-8831 Contact: Shawn Macpherson, Coordinator

DEGREMONT LIMITEE 400-1375 Transcanadienne Dorval QC H9P 2W8 (514) 683-1200 Fax: (514) 683-1203 Web site: www.degremont-technologies.com Contact: C. Descotaux, VP, Municipal Sales A member of Suez Environnement, Degremont Limitee provides high performance technologies for water, wastewater and sludge treatment to the municipal market and brings more than a century of knowledge and innovation to a broad suite of trusted, reliable treatment solutions.

DENSO NORTH AMERICA INC. 12-90 Ironside Cres Toronto ON M1X 1M3 (416) 291-3435 Fax: (416) 291-0898 E-mail: blair@densona-ca.com Web site: www.densona.com Contact: Blair Slessor, Sales Manager Denso -- the global leader in corrosion prevention for over 128 years. Denso offers the highest quality, most economical, long-term corrosion protection for all above and below ground metal surfaces. The Denso petrolatum tape system consists of Denso paste as an initial corrosion inhibitor; Denso mastic fillers to eliminate localized corrosion cells; Denso petrolatum tape as the long-term corrosion barrier. DIRECTRIK INC. 405 Industrial Dr Unit 18&19 Milton ON L9T 5B1 (905) 565-9606 Fax: (905) 565-1358 Contact: Sam Directo, General Manage DN TANKS PO Box 696 El Cajon CA 92022-0696 USA (619) 440-8181 Fax: (619) 440-8653 Contact: Judy Horning, Marketing Associate

CLAESSEN PUMPS LTD. 2249 Bowman St Innisfil ON L9S 3V5 (705) 431-8585 Fax: (705) 431-2772 Contact: Daniel Blandford, Technical Sales CLEARTECH INDUSTRIES INC. 7480 Bath Rd Mississauga ON L4T 1L2 (905) 612-0566 Fax: (905) 612-0575


CSE INCENDIE ET SECURITE 5990 Vanden Abeele St Laurent QC H4S 1R9 (866) 737-2280 Fax: (514) 737-2751 Contact: Henry Paintin, Sales Manager

DRAIN-ALL LTD. 1161 Liverpool Crt Ottawa ON K1B 4L1

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Suppliers (613) 327-5906 or (613) 739-1070 Contact: Stephen Huza, Manager Sales & Business Development Drain-All Ltd. environmental service company, providing industrial wet/dry vacuuming, high pressure blasting and vacuum excavation. Emergency spill response and First Responder containment, removal and remediation; for truck rollovers or train derailments. Hazardous waste (liquid or solid) removal. Flush and camera-sewers-process and leachate lines. Confined space entry and cleaning. DUPERON CORPORATION 515 N Washington Ave Saginaw MI 48607 USA (800) 383-8479 DYNAMIX AGITATORS INC. 150-14480 River Rd Richmond BC V6V 1L4 (604) 244-3771 Fax: (604) 244-3772 Contact: George Harmati, Sales Manager

ECHELON ENVIRONMENTAL INC. 26-505 Hood Rd Markham ON L3R 5V6 (905) 948-0000 Fax: (905) 948-0577 E-mail: info@echelonenvironmental.ca Web site: www.echelonenvironmental.ca Contact: Rob Rainford, Manager Echelon Environmental is an industry leading supplier of custom designed systems for Stormwater Treatment & Detention, Rainwater Harvesting, Combined Sewer Overflow, Wastewater Treatment and Odour Control units throughout Ontario and Quebec. Echelon’s team has a strong record of environmental innovation protecting our natural resources one drop at a time. ECO CANADA 200-308 – 11 Ave SE Calgary AB T2G 0Y2 (403) 233-0748 Fax: (403) 269-9544 Contact: Chris Stewart, Director Business Development ECOFLUID SYSTEMS INC. 1800-200 Granville St Vancouver BC V6C 1S4 (604) 662-4544 Fax: (604) 662-4564 Contact: Justin Hebner, Sales Manager

ELEMENTAL CONTROLS LIMITED 3230 Wharton Way Mississauga ON L4X 2C1 (866) 544-9974 Fax: (905) 282-9519 E-mail: sales@elementalcontrols.com Web site: www.elementalcontrols.com Contact: Keith Grattan, President Portable Analyzers for Industrial Applications: Canadian Sales & Service for Niton Analyzers and Environmental Instruments – from Thermo Scientific. The Niton XRF Analyzers provide in situ analyzers for lead-in-paint and heavy metals in soils, dust wipes, and air filters. The Environmental Instruments products include the TVA1000B Toxic Vapor, and the MIRAN SapphIRe Ambient Air Analyzers, as well as the pDR-1500 personal and ADR-1500 area particulate monitors. ELMRIDGE ENGINEERING INC. 15 Allaura Blvd Aurora ON L4G 3N2 (905) 726-7730 Fax: (905) 726-2500 Contact: Strachan Bowen, Sales Manager

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Guide to Environmental Equipment & Service Suppliers ELSTER METERING 1100 Walker's Line Suite 101 Burlington ON L7N 2G3 (289) 259-5316

ENDRESS + HAUSER CANADA LTD. 1075 Sutton Dr Burlington ON L7L 5Z8 (905) 681-9292 Fax: (905) 681-9444 E-mail: info@ca.endress.com Web site: www.ca.endress.com Contact: Scott Whitehouse, Communications Manager Established in 1953, Endress + Hauser is a worldwide manufacturer of instrumentation for the water, wastewater and process industries, including flow, level, pressure, analysis, temperature and recorders. Our analysis line includes chlorine, pH, turbidity and dissolved oxygen measurement systems as well as ammonia, nitrate and phosphate analyzers and sludge level detection.

ENV TREATMENT SYSTEMS INC. 70 High St Etobicoke ON M8Y 3N9 (416) 503-7639 Fax: (416) 503-8925 E-mail: envinc@interlog.com Web site: www.env-inc.ca Contacts: Edward M. Pikovnik, Sales Manager; Kevin Bolton, Engineering Sales; Lee Williams, Project Management. Polymer feeders; hi-speed turbo blowers; clarifiers; UV disinfection; belt presses; centrifuges; biofilters; plunger pumps; digester covers & mixers; FRP covers; continuous sand & disk filters; ozonation systems; access hatches; Archimedes screw pumps; vortex grit removal; PD blowers; RBCs and package plants; membrane dome & tube; fine & coarse aeration systems; hosepumps; GAC odour control; flumes; bar screens, fine plate or perforated screens, shaftless compactors and conveyors, scum troughs & submerged grit screws, septage receiving stations. ERE INC. 8600 Champ D’Eau Montreal QC H1P 3B8 (514) 326-8852 Fax: (514) 326-8761 Contact: Sabrina Zacchia, Customer Service Representative

ENGINEERED PUMP SYSTEMS LTD. 1635 Industrial Ave Port Coquitlam BC V3C 6M9 (604) 552-7900 Fax: (604) 552-7901 E-mail: epsl@telus.net Contact: Earl Masse, Manager Engineered Pump Systems Ltd. specializes in the supply of water and wastewater conveyance, treatment and disposal products. Submersible pumps, solids grinders, access hatches, valves and controls, to name a few. Equipment can be supplied in complete factory built packages or as components for on-site installation.

ENVIROCAN WASTEWATER TREATMENT EQUIPMENT CO. LTD. 13-131 Whitmore Rd Woodbridge ON L4L 6E4 (905) 856-1414 Fax: (905) 856-6401 E-mail: envirocan@sympatico.ca Web site: www.envirocan.ca Contact: B. Tonogai, President Envirocan offers a full line of wastewater treatment solutions, including complete head works systems, aeration systems, tertiary filtration, high efficiency blowers, and sludge dewatering equipment. ENVIRONETICS INC. 1201 Commerce St Lockport IL 60441 USA (815) 838-8331 Fax: (815) 838-8336 Contact: Steven Winters, VP Operations ENVIRONMENTAL SCIENCE & ENGINEERING MAGAZINE 30-220 Industrial Pkwy S Aurora ON L4G 3V6 (905) 727-4666 Fax: (905) 841-7271 E-mail: steve@esemag.com Web site: www.esemag.com Contact: Steve Davey, Publisher Environmental Science & Engineering Magazine has covered Canada’s multi-billion dollar a year environmental protection industry since 1988. ES&E’s expert articles are vitally important to some 19,000 readers responsible for the design, construction and operation of water treatment and distribution systems, sewerage systems, and industrial and hazardous waste management systems.

FABRICATED PLASTICS LTD. 2175 Teston Rd Maple ON L6A 1T3 (905) 832-8161 Fax: (905) 832-2111 Contact: Greg Landry, VP Sales

FCI – FLUID COMPONENTS INTERNATIONAL 1755 La Costa Meadows Dr San Marcos CA 92078 USA (760) 744-6950 Fax: (760) 736-6250 E-mail: fcimarcom@fluidcomponents.com Web site: www.fluidcomponents.com Contact: Mary Pund, Marketing Communications Manager FCI is a world leading manufacturer of air/gas flow meters, flow switches and level switches used in industrial and commercial applications. Rugged designs, international approvals and certifications, FCI products are ideal for industry’s most demanding processes and environmental measurements. FCI products are calibrated in our NIST traceable flow laboratory to your exact specifications and conditions. Our products are installed and supported worldwide. FERRO CANADA INC. 4-100 Leek Cr Richmond Hill ON L4B 3E6 (905) 763-0787 FIELDING CHEMICAL TECHNOLOGIES INC. 3575 Mavis Rd Mississauga ON L5C 1T7 (905) 281-4090 Fax: (905) 281-4657 Contact: Vala Mruck, Director Org. Dev. FILMCHEM INC. 22-1225 Gorham St Newmarket ON L3Y 8Y4 (905) 853-1363 Fax: (905) 853-2334 Contact: Steve Benner, President FILTERSENSE 355W – 800 Cummings Crt Beverly MA 01915 USA (978) 927-4304 Fax: (978) 927-4329 Contact: Margaret Howard, Marketing FIRST RESPONSE ENVIRONMENTAL 26 Burford Rd Hamilton ON L8E 3C7 (289) 639-2020

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Guide to Environmental Equipment & Service Suppliers FISHER DRILLING 15-400 Esna Park Dr Markham ON L3R 3K2 (905) 475-7755 Fax: (905) 475-7718 Contact: Daniela Weston, Office Manager FISHER TANK COMPANY 3131 West 4th St Chester PA 19013 USA (803) 359-4173 Fax: (803) 957-3376 Contact: Fred Ruinen, Corporate Sales Manager FLOATING ISLAND INTERNATIONAL PO Box 252 Shepherd MT 59079 USA (406) 373-5200 Fax: (406) 373-5202 Contact: Anne Kania, CEO FLUID METERING INC. 500-5 Aerial Way Syossset NY 11791 USA (516) 922-6050 FLUIDYNE CORPORATION 5436 Nordic Drive Suite D Cedar Falls Iowa 50613 USA (319) 266-9967

FOCUS ENVIRONMENTAL GROUP INC. 700-1122 International Blvd Burlington ON L7L 6Z8 (905) 690-7638 Fax: (905) 690-7639 E-mail: focusenv@on.aibn.com Contact: Robert Freeman, President Focus Environmental Group Inc. provides clientele with professional, full service environmental contracting services to suit site-specific project needs, including: waste management (soil, C&D, liquid), tank removal and disposal, TSSA Ontario licenced, T55A PM1, PM2, PM3 certified personnel; soil/groundwater remediation expertise; site/plant-facility decommissioning; environmental restoration.

GRUNDFOS CANADA INC. 2941 Brighton Rd Oakville ON L6H 6C9 (905) 829-9533 Fax: (905) 829-9512 Contact: Michael Presement, Business Development Specialist

GLOBAL REPAIR LTD. 33 Bellefair Ave Toronto ON M4L 3T7 (416) 686-3690 Fax: (416) 686-1744 E-mail: sales@globalrepair.ca Web site: www.globalrepair.ca Contact: Michael Morris, Communications Director Global Repair Ltd, your “One Stop Compost Shop” provides a complete range of equipment with consulting for Agricultural, Municipal & Industrial compost/bioremediation operations. Used successfully in 10 provinces, 22 countries & 35 US states, our products reduce greenhouse gases, providing sustainable solutions for efficient, cost effective waste transformation and nutrient recovery.

GORMAN-RUPP OF CANADA LIMITED 70 Burwell Rd St Thomas ON N5P 3R7 (519) 631-2870 Fax: (519) 631-4633 Web site: www.grcanada.com Contact: Mike Cosgrove, Director of Sales Gorman-Rupp of Canada manufactures a full line of self-priming centrifugal, standard centrifugal, and submersible pumps, for construction, industrial, sewage, petroleum, agricultural and firefighting applications.

FOOTAGE TOOLS INC. 1-54 Audia Crt Vaughan ON L4K 3N4 (905) 695-9900 GARDEWINE GROUP INC. 20 Duhamal Rd Lively ON P3Y 1L4 (705) 692-3000 Fax: (705) 692-5343 Contact: Safety & Compliance

GENEQ INC. 10700 Secant St Montreal QC H1J 1S5 (514) 354-2511 Fax: (514) 354-6948 E-mail: info@geneq.com Web site: www.geneq.com Contact: Rene Parise, VP Sales & Marketing GENEQ has been a Canadian Distributor of Environmental Instruments since 1972. We offer a wide range of products for air, water and soil sampling/monitoring/ measuring. Also we sell Precision GPS systems and General Laboratory products. So, if you are looking for Weather Stations, Telemetry Systems, Water Quality Instruments, GENEQ is the place to go. G.E.T. INDUSTRIES INC. 33 Cedar Dr Caledon ON L7K 1H5 (905) 451-9900 Fax: (519) 927-9315 Contact: David Martin, President


GREATARIO ENGINEERED STORAGE SYSTEMS PO Box 399 Innerkip ON N0J 1M0 (519) 469-8169 Fax: (519) 469-8157 Contact: Scott Burn, President E-mail: sales@greatario.com Web site: www.greatario.com Contacts: Scott Burn, Steve Gregory, Jeff Rodger, Terry Frank Greatario Engineered Storage Systems supply and construct Aquastore® glass-fused-to-steel storage tanks, Temcor® aluminum domes and covers, Columbian TecTanks & mixing systems.

GREYLINE INSTRUMENTS INC. 16456 Sixsmith Dr Long Sault ON K0C 1P0 (613) 938-8956 Fax: (613) 938-4857 E-mail: info@greyline.com Web site: www.greyline.com Contact: Ernie Higginson, VP Greyline manufactures ultrasonic flow and level instruments. Measure tank level from above the liquid, flow from outside a pipe or flow in open channels and flumes. Models include clamp-on flow meters for clean and dirty liquids, open channel and area-velocity flow meters, tank level transmitters and controls.

H2FLOW EQUIPMENT INC. 7-470 North Rivermede Rd Concord ON L4K 3R8 (905) 660-9775 Fax: (905) 660-9744 E-mail: info@h2flow.com Web site: www.h2flow.com Contact: Ed Broeders, Municipal Sales Manager Water/wastewater treatment equipment for industrial and municipal applications: grinders, screens, conveyors, SBRs, grit removal, aerators, diffusers, blowers, biological treatment, clarifiers, sludge presses, centrifuges, digesters, mixers, thickeners, tertiary treatment and filters, package plants, UV disinfection, drinking water plants, filters, underdrains, strainers, DAFs. CSO treatment, odour control biofilters, oil/water separators.

H2FLOW TANKS & SYSTEMS INC. 6-470 North Rivermede Rd Concord ON L4K 3R8 (905) 660-0649 Fax: (905) 660-9744 E-mail: tanks@h2flow.com Web site: www.h2flow.com Contact: Darrin Hopper, National Sales Manager Sales, installation of PERMASTORE glassfused-to-steel tanks, aluminum covers, PAX and FLUIDYNE mixing systems, anaerobic digesters, water tanks, towers. Wastewater, sludge and leachate storage, clarifiers, MBR, SBR tanks. Custom engineered tanks with published quality standards and zero defects. Integrated mixing and aeration systems. HACH SALES AND SERVICE CANADA 400 Britannia Road E Unit 1 Mississauga ON L4Z 1X9 (800) 665-7635 Fax: (866) 259-0984 Web site: www.Hach.com/Canada

HALOGEN VALVE SYSTEMS INC. Ste A-17961 Sky Park Cir Irvine CA 92614 USA (877) 476-4222 (949) 261-5030 Fax: (949) 261-5033 Web site: www.halogenvalve.com Contact: Tom Kincaid, President Halogen Valve Systems manufactures hazardous gas shutoff systems and distributes toxic gas detectors for all types of water, wastewater and manufacturing facilities. All of our systems are powered by 12 Volt DC batteries with internal computer controlled charges that provide protection even when local power systems fail. These systems are rugged and reliable because they are built for use in hazardous gas environments to give our customers years of worry free service. HANNA INSTRUMENTS, INC. 3156 Industrial Laval QC H7L 4P7 (450) 629-1444 HANSON PIPE & PRECAST 2099 Roseville Rd RR #2 Cambridge ON

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Suppliers N1R 5S3 (888) 888-3222 Fax: (519) 621-8233 Contact: Eugenio Favaro, Area Sales Manager HARCO ENTERPRISES LTD. 675 The Parkway Peterborough ON K9J 7K2 (800) 361-5361 Fax: (705) 743-4312 Contact: Ray Harris, President HARDIE INDUSTRIAL SERVICES 594 Newbold St London ON N6E 2W9 (519) 649-1433 Fax: (519) 649-6559 Contact: Glen Jackson, VP Sales/Marketing HAWKEYE BIRD & ANIMAL CONTROL 11255 Regional Rd 25 Halton Hills ON L7J 2M1 (416) 429-5393 Fax: (866) 281-5281 Contact: Dan Frankian, CEO HAYWARD GORDON LTD. 5 Brigden Gate Halton Hills ON L7G 0A3 (905) 693-8595 Fax: (905) 693-1452 Contact: Brent McConomy, National Sales Director HEADWORKS INC. 340-300 Wilcrest Dr Houston TX 77042 USA (713) 647-6667 Fax: (713) 647-0999 HERON INSTRUMENTS 447 Moxley Rd S RR 2 Dundas ON L9H 5E2 (905) 634-4449 HESPRO GROUP 2746 Stevensville Rd Fort Erie ON L0S 1S0 (888) 840-3456 HM PIPE PRODUCTS INC. 129 Exeter Rd London ON N6L 1A4 (519) 652-5822 Fax: (905) 652-5012 Distribution of sewer and water main materials, safety supplies for contractors & municipalities. HMT INC. 400-24 Waterway Ave The Woodlands TX 77380 USA (281) 681-7000 Fax: (281) 419-7689 Contact: Rob Leary, National Water & Wastewater Sales Manager

Guide to Environmental Equipment & Service Suppliers Web site: www.huber-technology.com Contact: Frank Scriver, National Sales Manager Experts in liquid/solid separation technologies, Huber offers virtually the complete chain of screening, grit, and sludge handling processes and is an original source manufacturer specializing in stainless steel. Huber is the inventor and original manufacturer for the renowned ROTAMAT® products and STEP SCREEN® and has over 25,000 installations worldwide. HYDREKA 111-5109 48th St Yellowknife NT X1A 1N5 (867) 445-6432 Fax: (867) 873-5642 Contact: Vincent Favre, North American Sales Manager

HYDRO INTERNATIONAL 140-2925 NW Aloclek Hillsboro OR 97124 USA (866) 615-8130 Fax: (503) 615-2906 E-mail: bpaetel@eutek.com Web site: www.hydro-international.biz Contact: Ben Paetel, Marketing Hydro International supplies environmentally sustainable products and innovative solutions that control and treat stormwater, wastewater and combined sewer overflows, using advanced vortex and complementary technologies. Hydro International is the leading provider of municipal grit removal and CSO/wet weather management products to control flows within collection systems and wastewater treatment plants. HYDRO-LOGIC ENVIRONMENTAL 250-762 Upper James St Hamilton ON L9C 3A2 (905) 777-9494 HYDROVISION GMBH Gewerbestr.61a 87600 Kaufbeuren Germany (+49) 8341 9662180 Fax: (+49) 8341 9666030 Contact: Sylvia Silva, Canadian Manager

HUBER TECHNOLOGY, INC. 9735 Northcross Center Crt Ste A Huntersville NC 28078 USA (704) 990-2055 E-mail: sales@hhusa.net

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IMBRIUM SYSTEMS INC. 2100-2 St Clair Ave W Toronto ON M4V 1L5 (416) 960-9900 Fax: (416) 960-5637 Contact: Reagan Davidson, Regional Manager

INDACHEM INC. 1040 Martin Grove Rd Unit #3 Toronto ON M9W 4W4 (416) 743-3751 Fax: (416)743-2038 E-mail: brian.allen@indachem.com or max.rao@indachem.com Web site: www.indachem.com Contacts: Brian G. Allen, General Manager, Max Rao, Canadian Sales Manager UGSI Chemfeed PolyBlend dry/liquid polymer feed systems; Halogen Valve Sysems emergency valve closure systems for toxic gases; Westfalia dewatering/thickening centrifuges; PSI MicrOclor onsite sodium hypochlorite generation; PSI Tank Shark tank mixing system; FTC FRP panel type water tanks; Enpro Technologies dry/liquid chemical feed systems; Flowpoint septage receiving and bulk water dispensing systems; Siemens Water Champ gas/liquid chemical induction and mixing systems; ORP chlorination/dechlorination controllers; ADI International arsenic removal; Muddy River oil/water separators. INDICIUM COMPLIANCE SOLUTIONS INC. 600 Read Rd St Catharines ON L2R 7K6 (416) 960-9968 INLAND PIPE 7336-112 Avenue NW Calgary AB T3R 1R8 (403) 720-9323 Fax: (403) 279-7648 Contact: Prashant Vats, Sales & Marketing Manager INDUSTRIAL SCIENTIFIC 1001 Oakdale Rd Oakdale PA 15071 (412) 788-4353 Fax: (412) 788-8353 Contact: Renee Simpson, Marketing Coordinator

ICR WATER TECHNOLOGIES INC. 3-200 Memorial Ave Ste 101 Orillia ON L3V 5X6 (705) 325-0025 Fax: (888) 281-7774 Contact: B.V. House, President

HOSKIN SCIENTIFIC LTD. 3735 Myrtle St Burnaby BC V5C 4E7 (604) 872-7894 E-mail: rmckeown@hoskin.ca Web site: www.hoskin.ca Contact: Rod McKeown Hoskin Scientific sells sampling and monitoring instruments for the environmental, agricultural, mining, oil & gas, and forestry markets. We have a complete range of instruments for: water quality, water level, water flow and velocity, groundwater sampling, limnology and oceanography, soil and plant science sampling and testing, weather stations, data loggers including the miniature low-cost HOBO loggers.

equipment includes automated purgers, flux chambers, vacuum samplers and sampling bags.

INNOV-X TECHNOLOGIES CANADA 415-55 Water St Vancouver BC V6B 1A1 (604) 558-2073 Fax: (888) 873-6598 Contact: Cindy Collins, General Manager

ICS, BLOUNT INTERNATIONAL 4909 SE International Way Portland OR 97222-1240 USA (800) 321-1240 Fax: (503) 653-4393 Contact: Brady King, Market Development

INTECH ENVIRONMENTAL CANADA CORP. 12255 King George Blvd Surrey BC V3V 3K9 (604) 580-1575 Fax: (604) 580-1965 Contact: Dave Pasin, President

IDEAL PIPE 1100 Ideal Dr PO Box 100 Thorndale ON N0M 2P0 (800) 265-7098 Fax: (519) 641-2524 Contact: Ron McFarlane, Sales

INSITU CONTRACTORS INC. 150 Stevenson St S Guelph ON N1E 5N7 (519) 763-0700 Fax: (51) 763-6384 Contact: H. Oussoren, President

IDES CANADA INC. 13-190 Don Park Rd Markham ON L3R 2V8 (416) 479-0078 Fax: (416) 907-8252 E-mail: bakhtari.a@idescanada.com Web site: www.idescanada.com Contact: Ardevan Bakhtari, President Scentroid provides the most complete line of odour measurement and sampling equipment in the world. Manufactured by IDES Canada Inc., our model selection ranges from an ultra-portable in-field olfactometer to a fully automated stateof-the- art eight panel odour laboratory. Other

INTERNATIONAL WATER SUPPLY LTD. 342 Bayview Dr/PO Box 310 Barrie ON L4M 4T5 (705) 733-0111 Fax: (705) 721-0138 E-mail: iws@iws.ca Web site: www.iws.ca Contact: John A Harris, President Complete Groundwater Engineering and Hydrogeologic services which include: Well Design, large diameter, high capacity Well Construction

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Guide to Environmental Equipment & Service Suppliers and Testing, Performance Testing of wells and pumps, Well Rehabilitation and re-development programs, Well Video inspection, and supply, installation and maintenance of lineshaft and submersible Pumps. Groundwater resource assessments and exploration programs. INTERPROVINCIAL CORROSION CONTROL 930 Sheldon Court Burlington ON L7L 5K6 (905) 634-7751 Fax: (905) 333-4313 Contact: Ray Thoroski, Manager Customer Service

IPEX INC. 2441 Royal Windsor Dr Mississauga ON L5L 4C7 (800) 463-9572 Fax: (905) 403-1124 Web site: www.ipexinc.com Contact: Bill Hawke, Marketing Manager IPEX Inc. offers the world’s most comprehensive range of thermoplastic piping systems for the municipal, industrial, mechanical and plumbing markets. Backed by more than 50 years experience and with state-of-the-art manufacturing facilities and distribution centers across North America, IPEX has established a reputation for product innovation, quality, end-user focus, and performance.

and dissolving systems, tank mixers, progressive cavity, rotary lobe and hose pumps, mechanical, hydraulic, packed plunger, solenoid and air diaphragm metering pumps, custom progressive cavity, rotary lobe, hose metering and centrifugal pump systems, tank and mixer systems, bag filters, strainers, instrumentation and control equipment.

KDF FLUID TREATMENT, INC. 1500 KDF Dr Three Rivers MI 49093-9287 USA (269) 273-3300 Fax: (269) 273-4400 Contact: Denise Heskett-Al-Kharusy, Vice President

KEMIRA WATER SOLUTIONS CANADA INC. 3405 Marie-Victorin Blvd Varennes QC J3X 1P7 (450) 652-0665 Fax: (450) 652-7343 Web site: www.kemira.com Contact: Serge Chouinard, Director of Sales, Canada Kemira is a global two billion euro chemicals company providing water treatment chemicals to customers in water-intensive industries. As a leading global provider of inorganic coagulants and organic flocculants, we offer an extensive portfolio of products including biocides, defoamers and antiscalants for multiple applications in municipal and industrial water treatment. KEYSTONE FILTER, MET-PRO CORP. 2385 North Penn Rd Hatfield PA 19440 USA (215) 822-1963 Fax: (215) 997-1839 Contact: Lew Osterhoudt, VP/GM KGO GROUP LTD. 52-1200 Speers Rd Oakville ON L6L 2X4 (905) 847-1544 E-mail: info@kgogroup.com Web site: www.kgogroup.com Liquid and dry polymer systems, mineral wetting


(800) 840-2884 or (780) 453-6731 Fax: (780) 455-5218 Contact: Tim Starchuk, Marketing Manager LEMNA TECHNOLOGIES, INC. 2445 Park Ave Minneapolis MN 55404 USA (612) 253-2000 Fax: (612) 253-2003 Contact: Dave Anderson, General Manager LEVITT SAFETY/EHS INSTRUMENT SOLUTIONS 2872 Bristol Cir Oakville ON L6H 5T5 (905) 829-3299 LINDE CANADA LTD. 5860 Chedworth Way Mississauga ON L5R 0A2 (905) 501-1700 Fax: (905) 501-1717 Contact: Darlene Haapanen, Marketing Manager, Specialty & Rare Gases

KISTERS NORTH AMERICA 209-7777 Greenback Lane Citrus Heights CA 95610 USA (916) 723-1441 Fax: (916) 723-1626 E-mail: kna@kisters.net Web site: www.kisters.net Contact: Phil Stefanoff, Director of Business Development WISKI 7 and the KISTERS Time Series Management server (KiTSM) are the result of more than 20 years of experience in the global water industry. Our software and hardware telemetry systems are used globally for managing, analyzing and reporting surface water, groundwater, storm water, wastewater, water quality and meteorological data.

LIQUIDMIX AGITATORS INC 2511 Hwy #620/PO Box 271 Coe Hill ON K0L 1P0 (416) 628-9928 Fax: (416) 848-0413 Contact: Denzil Brown, Marketing Production

KRUGER INC. 4001 Weston Pkwy Cory NC 27513 USA (919) 677-8310 Fax: (919) 677-0082 Contact: Tabitha Atkinson, Marketing

LOGIBALL INC. 440 Papin Quebec QC G1P 3T9 (418) 656-9767 Fax: (418) 653-5746 Contact: Marc A. Anctil, President

J.K. ENGINEERING LTD. 320, 7930 Bowness Rd NW Calgary AB T3B 0H3 (403) 247-1777 Fax: (403) 286-9895 Contact: Jan Korzeniowski, President JOHN MEUNIER INC. 2000 Argentia Rd Plaza IV Ste #430 Mississauga ON L5N 1W1 (905) 286-4846 Fax: (905) 286-5805 Contact: Nadine Mourad, Marketing Team Leader


LINKON TECHNOLOGY INC. 25 Southvale Dr Vaughan ON L6A 0X2 (416) 888-3680 Contact: David Kim, Manager

LOTOWATER TECHNICAL SERVICES INC. 92 Scott Ave Paris ON N3L 2N2 (519) 442-2086 Fax: (519) 442-7242 KSB PUMPS INC. 5205 Tomken Rd Mississauga ON L4W 3N8 (905) 568-9200 Fax: (905) 568-3740 E-mail: ksbcanada@ksbcanada.com Web site: www.ksb.ca Contact: Mike Blundell, President KSB Pumps Inc. is a member of the KSB Group, one of the world’s largest manufacturers of pumps, valves and systems. KSB’s history dates back to 1871 in Germany, where the company’s global HQ is still located. KSB’s giant product portfolio consists of thousands of engineered and customized solutions. Water and wastewater pumps, submersible, dry, centrifugal, vertical, vertical turbine and submersible mixers (2002500 mm).

KUSTERS WATER, DIVISION OF KUSTERS ZIMA CORP. PO Box 6128 Spartanburg SC 29304 USA (864) 576-0660 Fax: (864) 587-5761 E-mail: jweidler@hi-techenv.com Web site: www.kusterswater.com Contact: Jim Weidler, Director of Sales For more than 30 years the Kusters Water team has been introducing new and innovative technologies from Hi-Tech, WasteTech, FSM, Hiller, Fuchs, CSO Technik and Watropur. Our products are utilized daily for headworks, biological, clarification, thickening, odour control and biosolids applications throughout the world. Kusters Water, division of Kusters Zima Corp., is ISO 9001:2008 Certified. LAKES ENVIRONMENTAL SOFTWARE 6-60 Bathurst Dr Waterloo ON N2V 2A9 (519) 746-5995 LAYFIELD 11603-180 St NW Edmonton AB T5S 2H6

MANDEL SCIENTIFIC 2 Admiral Pl Guelph ON N1G 4N4 (519) 763-9292 MAPLE REINDERS GROUP 2660 Argentia Rd Mississauga ON L5N 5V4 (905) 821-4844 Fax: (905) 821-8146 Contact: Reuben Scholtens, Manager, Business Development MARKLAND SPECIALTY ENGINEERING LTD. 9-305 Armstrong Ave Georgetown ON L7G 4X6 (905) 873-7791 Fax: (905) 873-6012 Contact: Scott Langstaff, General Manager

MASTER METER, INC. 101 Regency Pkwy Mansfield TX 76063 USA (817) 842-8000 Fax: (817) 842-8100 E-mail: macleod1@mastermeter.com Web site: www.mastermeter.com Contact: Ian Macleod, V.P. Marketing Master Meter, Inc. provides comprehensive utility water measurement solutions, smart AMR technology, and intuitive meter management software designed to help utilities run more efficiently. Better serve customers, capture more revenue and proactively combat resources loss from leaks, theft and meter malfunction with our completely integrated AMR system. MCGRAW HILL RYERSON 300 Water St Whitby ON L1N 9B6 (905) 430-5000 Fax: (905) 430-5044 Contact: David Mahon, Sales Manager MEASUREMAX INC. 900 Major Bennett Drive Peterborough ON

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Guide to Environmental Equipment & Service Suppliers

K9J 6X6 (705) 745-1626 Fax: (705) 745-3493

(510) 656-2001 Fax: (510) 656-2004 Contact: Gary Milco, Executive Vice President

MEASUREMENT SPECIALTIES INC. 1000 Lucas Way Hampton VA 23666 USA (800) 745-8008 Fax: (757) 766-4297 Contact: Randy Akers, Director, Business Development

MINDSPACE INC. 16-270 Esna Park Dr Markham ON L3R 1H3 (905) 284-1000

Web site: www.myronl.com Contact: Kathryn Robinson, Director of Sales & Mktg. The Myron L Company manufactures water quality instrumentation that can help you conserve chemicals, water and energy, control product quality and manage wastes. Our handheld meters and in-line monitor/controllers precisely measure, monitor and control critical process parameters: Conductivity; Resistivity; TDS; pH; ORP; Free Chlorine, Alkalinity, Hardness, LSI and Temperature.

MEFIAG, MET-PRO CORP. 1550 Industrial Dr Owosso MI 48867 USA (989) 725-8184 Fax: (989) 729-1013 Contact: Rob Teich, Product Manager

MEGADOME 1044 Principale St St Thomas (Joliette) QC J0K 3L0 (450) 756-1041 Fax: (450) 756-8389 E-mail: info@harnois.com Web site: www.megadomebuildings.com Contact: Mike Tousignant, Sales Manager Megadome® buildings are membrane-covered galvanized structures which are ideal to protect your storage yard, machinery, production facilities or waste/recycling operations from the weather, providing a high quality solution at a fraction of the cost of conventional buildings. Widths start at 30 feet up to 125 feet, and as long as needed. MEGTEC SYSTEMS, INC. 830 Prosper Rd De Pere WI 54115 USA (920) 336-5715 Fax: (920) 339-2793 Contact: Marg Van Vonderen, Marketing Manager

METCON SALES & ENGINEERING LIMITED 3-15 Connie Cres Concord ON L4K 1L3 (905) 738-2355 Fax: (905) 738-5520 E-mail: metcon@metconeng.com Web site: www.metconeng.com Contacts: Matthew Nicolak, Marketing Manager Disinfection systems (Cl2, NaOCl, NH3, SO3, ClO2, O3,UV, KMnO4); chemical feed systems (dry, liquid, gas, polymer, lime); flowmeters (magnetic, mass, DP, VA); metering pumps, analyzers, turbidity, ozone generators, odour control scrubbers; reservoir mixing; filtration systems, screen filters, filtration plants, SBRs, septage receiving, aeration and mixing, centrifuges, chemical induction mixing, bulk water filling systems. MET-PRO ENVIRONMENTAL AIR SOLUTIONS 1550 Industrial Dr Owosso MI 48867 USA (989) 725-8184 Fax: (989) 725-8188 Contact: Mike Foggia, VP of Global Sales & Marketing MET-PRO GLOBAL PUMP SOLUTIONS 700 Emlen Way Telford PA 18969 USA (215) 723-8155 Fax: (215) 723-2197 Contact: Gennaro D’Alterio, VP/GM

MINOTAUR STORMWATER SERVICES LTD. 566 Lynden Rd Brantford ON N3T 5M1 (519) 647-3729 Fax: (519) 647-3198 E-mail: service@minotaurltd.com Web site: www.minotaurltd.com Contact: Garnet Shaver, President Minotaur provides a customized inspection and monitoring program for Stormceptor units in Ontario and Quebec. The program provides for compliance with local regulatory requirements. Minotaur provides field reports identifying existing levels of oils and particulate and the recommended course of action. Simplify Your Responsibility! MONITARIO TECHNICAL SERVICES INC. 10 Alpine Ct Cambridge ON N1R 5S5 (519) 748-8024 Fax: (519) 740-1610 Contact: Randy McLean, President MS FILTER SYSTEMS INC. 3-1235 Journey’s End Circle Newmarket ON L3Y 8T7 (905) 853-0164 Fax: (905) 853-8807 Contact: Robert Le Craw, President

MUNRO LTD. 8807 Simcoe Rd #56 Utopia ON L0M 1T0 (705) 734-2892

MILLENIUM CONTROL COMPANY PO Box 86034/RPO Upper Oakville Oakville ON L6H 5V6 (905) 849-0794 Contact: Allan Hakala MIL-RAM TECHNOLOGY INC. 4135 Business Center Dr Fremont CA 94538 USA

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NATIONAL GROUND WATER ASSOCIATION 601 Dempsey Rd Westerville OH 43081 USA (800) 551-7379 E-mail: ngwa@ngwa.org Web site: www.ngwa.org The National Ground Water Association’s mission is to advance groundwater knowledge by providing guidance to members, government representatives, and the public for sound scientific, economic, and beneficial development, protection, and management of the world’s groundwater resources. NGWA members include contractors, scientists and engineers, equipment manufacturers, and suppliers. NELSON ENVIRONMENTAL INC. 5 Burks Way Winnipeg MB R2J 3R8 (204) 949-7500 Fax: (204) 237-0660 Contact: Kevin Vieira, Client Services & Marketing

MSU MISSISSAUGA LTD. 2222 South Sheridan Way Mississauga ON L5J 2M4 (800) 268-5336 Fax: (888) 220-2213 E-mail: sales@msumississauga.com Web site: www.msumississauga.com Contact: Virginia Junkin, President From man-hole steps, weirs, handrailing and catwalks to custom fabrication, MSU is ready to service the needs of the water and wastewater industry.

MUELLER CANADA 82 Hooper Rd Barrie ON L4N 8Z9 (705) 719-9965 Fax: (800) 263-4145 Suppliers of Hydrants, Valves, Brass & Municipal Castings.

NAPIER-REID LTD. 2-10 Alden Rd Markham ON L3R 2S1 (905) 475-1545 Fax: (905) 475-2021 Contact: Paulina Moryl, Marketing Manger

NEO VALVES LTD. 51 Terecar Drive Unit 2 Vaughan ON (905) 264 6556 NEPTUNE CHEMICAL PUMP CO. 295 Dekalb Pike North Wales PA 19459 USA (215) 699-8700 NEPTUNE TECHNOLOGY GROUP (CANADA) LTD. 7275 West Credit Ave Mississauga ON L5N 5M9 (905) 858 4211 Fax: (905) 858 0428

NETZSCH CANADA INC. 10-740 Huronia Rd Barrie ON L4N 6C6 (705) 797-8426 Fax: (705) 797-8427 E-mail: info@netzsch.ca Web site: www.netzsch.ca Contact: George Balcerczyk, President NETZSCH, the world’s largest manufacturer of Progressive Cavity Pumps offers a complete range of P.C. pumps, Metering Pumps and Rotary Lobe Pumps. Netzsch Canada specializes in Progressive Cavity retrofit parts for most manufacturers’ pumps. NEWALTA 211 – 11 Ave SW Calgary AB T2R 0C6 (403) 806-7000 Fax: (403) 806-7348 Contact: Amanda Willness, Websites Coordinator

MYRON L COMPANY 2450 Impala Dr Carlsbad CA 92010 USA (760) 438-2021 Fax: (760) 931-9189

NEWTERRA LTD. 744 Gordon Baker Rd North York ON M2H 3B4 (416) 490-7848

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Guide to Environmental Equipment & Service Suppliers NOBLE 7171 Jane St Concord ON L4K 1A7 (905) 760-6800 Fax: (905) 760-6801 Contact: Mahendra Badlu, Sales Manager NOVATECH ANALYTICAL SOLUTIONS, INC. 4120 Ridgeway Drive Unit 25 Mississauga ON L5L 5S9 (905) 569-9814 Fax: (905) 569-7095 Contact: J.C. Arenes, Business Development Manager NOVO WATER CONDITIONING 655 Park St Regina SK S4N 5N1 (877) 655-6686 Fax: (877) 658-6686 Contact: Dave Pitman, Commercial Engineering Manager N.R. MURPHY LTD. 430 Franklin Blvd Cambridge ON N1R 8G6 (519) 621-6210 Fax: (519) 621-2841 Contact: Craig Moffatt, General Manager OCEAN PIPE 9265 Oak St Vancouver BC V6P 4B8 (604) 269-6728 Fax: (604) 261-6751 Contact: Larry Sunnus, Technical Marketing Manager, Canada

OCION WATER SCIENCES GROUP 350-3771 Jacombs Rd Richmond V6V 2L9 (604) 270-2639 Fax: (604) 270-2689 E-mail: frank@pureprotection.ca Web site: www.pureprotection.ca Contact: Frank Varseveld, President OCION manufactures mineral-based liquid concentrates which are used to protect water and food from algae, bacteria and fungus. Our products contain no synthetic chemical pesticides or disinfectants. Typical applications are raw water reservoirs, ponds, swimming pools, water features, irrigation, food processing, wastewater treatment and crop disease control.

ONTARIO CLEAN WATER AGENCY 1 Yonge Street Toronto ON M5E 1E5 (416) 314-5600 Fax: (416) 314-8300 Web site: www.ocwa.com Ontario Clean Water Agency offers safe and efficient water and wastewater management services. ONTARIO LAMP RECYCLERS INC. 4101 Weston Rd Unit #15 Toronto ON M9L 1W6 (647) 992-5267 Fax: (866) 280-5075 Contact: Martin Hassenbach, Vice President ON TRACK SAFETY LTD. 29 Ruggles Ave Thornhill ON L3T 3S4 (905) 660-5969 OPUS 2 MOBILE 4-40 Winges Rd Woodbridge ON L4L 6B2 (905) 850-9111 OPW ENGINEERED SYSTEMS 2726 Henkle Dr Lebanon OH 45036 USA (800) 547-9393

(519) 748-5470 Fax: (519) 748-2553 Contact: Ian MacKinnon, General Manager PHOTECH ENVIRONMENTAL SOLUTIONS INC. 600 Read Rd St. Catharines ON L2R 7K6 (905) 938-9465 ORIVAL WATER FILTERS 213 S Van Brunt St Englewood NJ 07631 USA (201) 568-3311 Fax: (201) 568-1916 E-mail: filters@orival.com Web site: www.orival.com Contact: Cila Schwartz Providing automatic self-cleaning filtration systems for the removal of suspended solids from water is more than a job for Orival – it’s a way of life. For over 20 years, Orival has supplied thousands of filtration units for a wide variety of customers in over 40 countries around the world. Single units, flange-to-flange systems, complete skid mounted or containerized packages, and specifically fabricated filters are all common products for Orival.

OSPREY SCIENTIFIC INC. 18130 – 105 Avenue Ste #100 Edmonton AB T5S 2T4 (800) 560-4402 Fax: (877) 820-9667 E-mail: sales@ospreyscientific.com Web site: www.ospreyscientific.com Contact: Tanya McGowan, Marketing Coordinator Osprey Scientific provides high quality scientific products, technical training and product support for environmental, oil & gas, toxicity, waste characterization, personal safety, air quality, wastewater analysis and other measurement technologies such as soil & groundwater sampling devices, inorganic & organic test kits, water quality instruments, soil & waste characterization, Microtox & Rapid Assay analysis. OVIVO 2404 Rutland Dr Austin TX 78758 USA (512) 834-6047 Fax: (512) 834-6039 Contact: Elena Bailey, Director, New Business Development OZONATOR INDUSTRIES LTD. PO Box 26030 – 1850 Industrial Dr Regina SK S4R 8R7 (306) 791-0900 Fax: (306) 791-0905 Contact: Peter Klaptchuk, President PARKSON CORPORATION 125 Marlin Crescent Pointe Claire QC H9S 5B2 (514) 636-8712 Fax: (514) 636-9718 Web site: www.parkson.com Parkson Corporation is a supplier of innovative, cost effective solutions for potable water, process water, and industrial and municipal wastewater problems. Aeration, biological, clarification, conveying, dewatering, dissolved air flotation, filtration, grit management, oil/water separation, screening, screenings washing/conveying/compacting, scum skimming, sludge handling, sludge drying, sludge removal, sludge thickening, stormwater management. PENCON EQUIPMENT COMPANY F2-109 Thomas St Oakville ON L6J 3A7 (905) 845-1727 Fax: (905) 845-1792 Contact: Brian Penny, Office Manager PENTAIR CANADA INC. 269 Trillium Dr Kitchener ON N2G 4W5



PINNACLE ENVIRONMENTAL TECHNOLOGIES INC. PO Box 12112 Langley BC V3A 9J5 (604) 514-7555 Fax: (604) 514-7595 Contact: Frank Hay, President PIPE SPECIALTIES CANADA 661 Justus Dr Kingston ON K7M 4H5 (613) 384-2500 Fax: (613) 384-2900 Contact: Trent McKee, General Manager PLASCO WELDING & FABRICATION INC. 4268 Dundas St Thorndale ON N0M 2P0 (519) 268-1190 Fax: (519) 268-1107 Contact: Richard Khan, Sales Manager

PRAHER VALVES 101 Saunders Rd Barrie ON L4N 6E7 (705) 720-2753 Fax: (705) 725-0444 E-mail: mrabak@rabakprocess.com Web site: www.prahervalves.com Contact: Milan Rabak, Industrial Sales Manager Global manufacturer of thermoplastic valves and controls for water and wastewater, chemical and high-purity water applications. PRISTINE WATER SOLUTIONS, MET-PRO 1570 Lakeside Dr Waukegan IL 60085 USA (847) 689-1100 Fax: (847) 689-9289 Contact: Tony Melone, National Sales Manager

PRO AQUA, INC. 204-1 Atlantic Ave Toronto ON M6K 3E7 (416) 861-0237 Fax: (416) 861-9303 Web site: www.proaquasales.com Contact: Scott Lenhardt Pro Aqua, Inc. is a supplier of a complete line of market leading products for drinking water, wastewater, stormwater, biosolids, biogas and odour treatment. Plant retrofits, mechanical refurbishments and spare parts for all products are also available.

PROMINENT FLUID CONTROLS LTD. 490 Southgate Dr Guelph ON N1G 4P5 (888) 709-9933 Fax: (519) 836-5226 E-mail: sales@prominent.ca Web site: www.prominent.ca Contact: Todd Reeves, National Sales Manager ProMinent is the reliable solutions partner for water treatment and a manufacturer of components and systems for chemical fluid handling. Based on our innovative products, services and industry-specific solutions, we provide more efficiency and safety for our customers – worldwide. PURAFIL, INC. 2654 Weaver Way Doraville GA 30340 USA (770) 662-8545

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Suppliers Contact: Elizabeth Copeland, Marketing Communications Manager PWC PURE WATER CORPORATION 5318 4A Ave Delta BC V4M 1H5 (604) 219-7898 Fax: (604) 948-9812 Contact: William Danshin, President

QUANTUM MURRAY EMERGENCY RESPONSE 10 Kenmore Ave Unit #4 Stoney Creek ON L8E 5N1 (905) 388-4444 Fax: (905) 643-3106 E-mail: jgalea@qmlp.ca Web site: www.quantummurray.com Contact: Jim Galea, Business Development Quantum Murray LP (QMLP) is Canada’s premier industrial services company. We offer onestop shopping – a full line of services including demolition, remediation, hazardous materials abatement, emergency response and training as well as the salvaging and recycling of scrap metals. R.E. MORRISON EQUIPMENT INC. 3615 Laird Rd Unit #21 Mississauga ON L5L 5Z8 (905) 828-6301 Fax: (905) 828-3674 Contact: Ray Ralph, President RICE ENGINEERING & OPERATING LTD. 147 Citation Dr Unit #34 Vaughan ON L4K 2P8 (905) 760-0170 Fax: (905) 760-0171 Contact: Glen Fletcher, Branch Manager – Eastern Canada ROBAR INDUSTRIES LTD. 4368 Romfield Cr Mississauga ON L5M 4L2 (416) 571-4321 Fax: (905) 608-0867 ROSEMOUNT ANALYTICAL 2400 Barranca Pkwy Irvine CA 92606 USA (949) 757-8536 Fax: (949) 474-7250 Contact: Bonnie Brown, Marketing ROYAL BUILDING PRODUCTS 131 Regalcrest Ct Woodbridge ON L4L 8P3 (905) 856-7550 Fax: (905) 856-4367

Guide to Environmental Equipment & Service Suppliers Contact: Kevin Drumm, President SEEPEX INC. 511 Speedway Dr Enon OH 45323 USA (937) 864-7150 Fax: (937) 864-7157 Contact: Daniel Lakovic, Marketing Manager

SERVICE FILTRATION OF CANADA LTD. 12-4141 Sladeview Cr Mississauga ON L5L 5T1 (905) 820-4700 Fax: (905) 820-4015 Contact: Charlie Salomon, Sales Manager Service Filtration engineers and manufactures high performance corrosion resistant pumps and filter chambers in CPVC, Poly Pro and PVDF. Filter media is available for use on chemicals, acids, hydraulic oil, electroplating solutions, photographic and food products. Pollution abatement products are also available. We can also supply custom design filtration systems.

SONIC SOIL SAMPLING INC. 668 Millway Ave Units 15 & 16 Concord ON L4K 3V2 (905) 660-0501 Fax: (905) 660-7143 E-mail: sonic@sonicsoil.com Web site: www.sonicsoil.com Contact: Alan Archibald, VP Administration Sonic Soil Sampling Inc. is celebrating their 32nd Anniversary. We have been providing contract services since 1981 to the Environmental, Geotechnical and Mining sectors throughout the world, offering a portable solution to your sampling and geotechnical needs. Our reputation for quality, workmanship and a willingness to help our customers has been our best promotional tool.

SEW-EURODRIVE COMPANY OF CANADA LTD. 210 Walker Dr Bramalea ON L6T 3W1 (905) 791-1553 Fax: (905) 791-2999 E-mail: s.mamo@sew-eurodrive.ca Web site: www.sew-eurodrive.ca Contact: Suzanne Mamo, Marketing Manager Driving the world – with innovative drive solutions for all sectors and every application of industry. Products and systems from SEW-EURODRIVE come into operation everywhere – worldwide. Whether in the wastewater/water, food and beverage or processing industry, the decision for drive engineering “made by SEW-EURODRIVE” is synonymous with function and investment.

STANMECH TECHNOLOGIES INC. 944 Zelco Dr Burlington ON L7L 4Y3 (888) 438-6324 (905) 631-6161 Fax: (888) 329-6324 (905) 631-1852 Contact: Sarah Fenwick, Marketing Coordinator

SIEMENS CANADA LTD. 1-215 Konrad Cres Markham ON L3R 8T9 (905) 944-2800 Fax: (905) 474-1660 Contact: George Matsugu, Marketing Manager

STEDMAN MACHINE COMPANY 129 Franklin St Aurora IN 47001 USA (812) 926-0038 Fax: (812) 926-3482 Contact: Harold Coleman

ROYAL ROADS UNIVERSITY 2005 Sooke Rd Victoria BC V9B 5Y2 (250) 391-2600 SANITHERM, INC. 2120 Hartley Ave Coquitlam BC V3K 6W5 (888) 821-5451 Fax: (604) 529-2160 Contact: Rick Johnson, Sales Manager SAPPHIRE WATER INTERNATIONAL CORP. 530 – 8th Ave SW Ste #1600 Calgary AB T2P 3S8 (403) 537-8470 Fax: (403) 537-8479 Contact: Alexander Naumchik, Technical Sales Manager SCHNEIDER ELECTRIC, TELEMETRY & REMOTE SCADA SOLUTIONS 48 Steacie Dr Kanata ON K2K 2A9 (613) 591-1943 Fax: (613) 591-1022 Contact: Sherry Droeske, Marketing Programs Specialist SCICORP INTERNATIONAL CORP. 15-220 Bayview Dr Barrie ON L4N 4Y8 (705) 733-2626 SEALOGIC CORP. PO Box 23089 Belleville ON K8P 5J3 (613) 966-4567 Fax: (613) 966-9854

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SOLINST CANADA LTD. 35 Todd Rd Georgetown ON L7G 4R8 (905) 873-2255 Fax: (905) 873-1992 E-mail: instruments@solinst.com Web site: www.solinst.com Contact: Randy Blackburn, Sales Manager Solinst Canada Ltd. manufactures high quality groundwater and surface water monitoring instrumentation. We offer a broad range of practical equipment used by hydrogeologists and hydrologists around the world. Our leading-edge instruments are designed for repeatable accuracy, ease-of-use, and durability, including level loggers, telemetry, water level meters, drive-points, interface meters, and multilevel systems.

STERLING POWER SYSTEMS INC. 799 Rennie St Hamilton ON L8H 3R5 (800) 809-0330 Fax: (905) 547-2381 Contact: Frank Davis, President SMITH & LOVELESS, INC. 14040 Santa Fe Trail Dr Lenexa KS 66215 USA (913) 888-5201 Fax: (913) 888-2173 E-mail: answers@smithandloveless.com Web site: www.smithandloveless.com Contact: William Flores, Vice President Smith & Loveless Inc. is a global leader in the design and manufacture of a complete line of preengineered water and wastewater treatment and pumping systems. With sales offices throughout Canada, and numerous installations over 40 years, we feature treatment plants, grit removal systems, pump stations and filtration systems.

STROBIC AIR CORPORATION, MET-PRO PO Box 144 Harleysville PA 19438 USA (215) 723-4700 Fax: (215) 723-7401 Contact: Charles Gans, VP of Global Sales SULZER PUMPS WASTEWATER CANADA INC. 2-1401 Meyerside Dr Mississauga ON L5T 1G8 (905) 670-4677 Fax: (905) 670-3709 A global solution provider with a complete portfolio of pumps, mixers, agitators, aerators, compressors, and control panels.

SOLAR BEE, INC. 3225 Hwy 22 Dickinson ND 58601 USA (866) 437-8076 Fax: (701) 225-0002 Contact: Cliff Tormaschy, Inside Sales Manager SPD SALES LIMITED 6415 Northam Dr Mississauga ON L4V 1J2 (905) 678-2882 Fax: (905) 293-9774 Contact: Frank Farkas, Sales Manager

SUMMA ENGINEERING LIMITED 6423 Northam Dr Mississauga ON L4V 1J2 (905) 678-3388 Fax: (905) 678-0444

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Guide to Environmental Equipment & Service Suppliers Contact: Frank Cosentino, VP Sales & Marketing In-depth knowledge of water and wastewater processes and extensive experience with instrumentation and SCADA projects have allowed Summa Engineering Limited to provide quality goods and services to Canadian industrial and municipal markets continuously for over 31 years. SUR-LOC, INC. PO Box 750 Fremont IN 46737 USA (260) 495-4065 Fax: (260) 495-4205 Contact: Tim Swager, Vice President

TERVITA CORPORATION 1800- 140-10 Ave SE Calgary AB T2G 0R1 (403) 233-7565 TESTO INC. 40 White Lake Rd Sparta NJ 07871 USA (800) 227-0729 Fax: (862) 354-5020 Contact: John Bickers, Director Product Management THE CANNINGTON GROUP INC. 4 Fortecon Dr Unit #4 Gormley ON L0H 1G0 (905) 841-1848 Fax: (905) 841-1060 Contact: David McCrossan, President THERMO SCIENTIFIC ORION 22 Alpha Rd Chelmsford MA 01824 USA (514) 569-1000 Contact: Tony Sheldon, Technical Sales Manager

SYNTEC PROCESS EQUIPMENT LTD. 77 Pillsworth Rd Unit #12 Bolton ON L7E 4G4 (905) 951-8000 Fax: (905) 951-8002 E-mail: info@syntecpe.com Web site: www.syntecpe.com Contact: Roger Sinclair, President Syntec is a manufacturers’ representative in both municipal and industrial sectors. The combined expertise of Syntec and our manufacturing partners enables Syntec to provide solutions in all aspects of valving, controls and instruments. We provide competitively priced, quality products in an ethical and professional manner and deliver excellent service to our clients, from a knowledgeable, caring staff.

TEAM-1 ACADEMY INC. 19-760 Pacific Rd Oakville ON L6L 6M5 (905) 827-0007 Fax: (905) 827-0049 E-mail: brian@team1academy.com Web site: www.team1academy.com Contact: Brian Kovalcik, Operations Manager Leader for Professional Safety Training, Consulting, Equipment Sales, Standby Rescue, Confined Space, Rope Access & Wind Industry Services for the last 20 years! Providing our services to all sectors, Renewable Energy, Fire Services, Police, Military, Government, Utilities and many others. TELOG INSTRUMENTS INC. 830 Canning Pkwy Victor NY 14564 USA (585) 742-3000 Fax: (585) 742-3006 Contact: Greg De Santis, VP Sales TERRAFIX GEOSYNTHETICS INC. 455 Horner Ave Toronto ON M8W 4W9 (416) 674-0363 Fax: (416) 674-1159 Contact: Yvette K, Marketing Assistant

TITAN ENVIRONMENTAL CONTAINMENT LTD. PO Box 9 Ile des Cheres MB R0A 0T0 (866) 327-1957 Fax: (204) 878-3980 Contact: Kelly Sitarz, Principal TOPP INDUSTRIES, INC. PO Box 420 Rochester IN 46975 USA (800) 354-4534 Fax: (574) 223-6106 Contact: Kevin Birchmeier, President TOROMONT CAT POWER SYSTEMS 268 Orenda Rd Brampton ON L6T 1B9 (905) 488-2500 Fax: (905) 488-2501 Contact: Katherine Taran, Marketing Coordinator


over 27,000 items in stock, 95% of orders ship same-day from our multiple warehouses in the US. Call to speak with live Customer Service and Technical Support Representatives that can answer questions and place your order. UV DYNAMICS INC. 315 Neptune Cres London ON N6M 1A9 (519) 452-7520 Fax: (519) 452-1701 Contact: Erin De Vries, Inside Sales VAUGHAN COMPANY INC. 364 Monte-Elma Rd Montesano WA 98563 USA (360) 249-4042 Fax: (360) 249-6155 Contact: Josh Niels, Marketing VECTOR PROCESS EQUIPMENT INC. 5889 Summerside Dr Mississauga ON L5M 6L1 (416) 527-4396 Fax: (905) 567-8590 Contact: Andre Osborne VEOLIA WATER SOLUTIONS & TECHNOLOGIES CANADA INC. 430-2000 Argentia Rd Plaza IV Mississauga ON L5N 1W1 (905) 286-4846 Fax: (905) 286-0488 Contact: N. Mourad, Marketing Team Leader VICTAULIC 123 Newkirk Rd Richmond Hill ON L4C 3G5 (905) 884-7444 Fax: (905) 884-2410 Contact: Andrew Cowburn, Municipal Market Specialist

TORONTO RECYCLING INC. 2-100 Granton Dr Richmond Hill ON L4B 1H7 (905) 881-0999

VIDEX, INC. 1105 NE Circle Blvd Corvallis OR 97330 USA (541) 738-5500 Fax: (541) 738-5501 Contact: Tish Phillips, Sales & Marketing

TRANSPO INDUSTRIES 20 Jones St New Rochelle NY 10801 USA (914) 636-1000 Fax: (914) 636-1282 Contact: Michael Stenlo, President

VISSERS SALES CORP. 220 Industrial Parkway S Unit 19 Aurora ON L4G 3V6 (905) 841-4073, Fax: (905) 841-4018

TRANSPORT ENVIRONMENTAL SYSTEMS, INC. Ste J-161 4915 Arendell St Morehead City NC 28557 USA (252) 571-0092 Fax: (252) 489-2060 Contact: Mark Jensen, Sales

VL MOTION SYSTEMS INC. 212 Wyecroft Rd Unit 23 Oakville ON L6K 3T9 (905) 842-0244 Fax: (905) 845-3009 Contact: John Carney, Sales Manager

TROJAN UV 3020 Gore Rd London ON N5V 4T7 (519) 457-3400 Fax: (519) 457-3030 Contact: www.trojanuv.com TROY ONTOR INC. 121 Commerce Park Dr Units H K Barrie ON L4N 8X1 (705) 721-8246 Fax: (705) 721-5851 TURBOSONIC INC. 550 Parkside Dr Suite A-14 Waterloo ON N2L 5V4 (519) 886-5513 Fax: (519) 885-6992 Contact: Carl Bender, Sales Manager ULTRAFLOTE CORP. 3640 West 12th St Houston TX 77008 USA (713) 461-2100 Fax: (713) 461-2213 Contact: George Gavlik, Sales Manager

TERRATEC ENVIRONMENTAL LTD. 200 Eastport Blvd Hamilton ON L8H 7S4 (800) 846-2097 Fax: (905) 544-0266 Web site: www.terratec.amwater.com Contact: Greg Kemp, Business Development Manager Terratec Environmental Ltd., a subsidiary of American Water, is Canada’s largest biosolids handling company with over 30 years of experience in the operation of municipal and industrial biosolids programs; developing Nutrient Management Plans; cleaning of digesters, lagoons, tanks and incinerators; and providing biogas purification systems for natural gas vehicles fuel and pipeline use standards.


USABLUEBOOK 3781 Bur Wood Dr Waukegan IL 60085 USA (800) 548-1234 Fax: (847) 377-5160 E-mail: export@usabluebook.com Web site: www.usabluebook.com Contact: Dan Mantilla, International Sales Manager USABluebook – The first and only complete catalog for water and wastewater operations. With

WACHS CANADA LTD. 1166 Gorham St Unit 8 Newmarket ON L3Y 8W4 (905) 830-8888 Fax: (905) 830-6050

WATERLOO BARRIER INC. PO Box 385 Rockwood ON N0B 2K0 (519) 856-1352 Fax: (519) 856-0759 E-mail: info@waterloo-barrier.com Web site: www.waterloo-barrier.com Contact: Robin Jowett, Manager Waterloo Barrier® is a containment wall for the control of contaminated groundwater. Formed of steel sheet piling with joints that are sealed inplace in the ground, the Barrier offers a long service life, exceptionally low hydraulic conductivity, and documentable construction QA/QC. Installation is clean and rapid with minimal site disturbance.

WATERLOO BIOFILTER SYSTEMS INC. PO Box 400 – 143 Dennis St Rockwood ON N0B 2K0 (519) 856-0757 Fax: (519) 856-0759 E-mail: info@waterloo-biofilter.com

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Suppliers Web site: www.waterloo-biofilter.com Contact: John Doner, Director of Sales Waterloo Biofilter® for on-site treatment of residential, commercial and communal sewage; fully scalable from house to school to truck stop to subdivision flows. Advantages are low maintenance, low energy, small footprint, high quality effluent, and no aerobic sludge management. Proven high-nitrogen removal, and re-use for irrigation and toilets. WATERMARK SOLUTIONS LTD. 20 Chantler Rd Alliston ON L9R 2E1 (855) 293-5325 Fax: (519) 686-2558 Contact: Gary Fricke, Business Development Manager

WATERRA PUMPS LIMITED 44-5200 Dixie Rd Mississauga ON L4W 1E4 (905) 238-5242 Fax: (905) 238-5704 E-mail: sales@waterra.com Web site: www.waterra.com Contact: John Newall, President Waterra has been providing simple, affordable technology for environmental groundwater monitoring applications around the world for over 20 years. Our product line includes everything from the ubiquitous inertial pump to stainless steel submersible pumps. We are the leading manufacturer of groundwater filters and our product line now also includes multiparameter water quality meters. WATSON-MARLOW PUMPS GROUP 37 Upton Technology Park Wilmington MA 01887 USA (800) 282-8823 Fax: (978) 658-0041 Contact: Rick Balek, Sales Manager WATTS WATER TECHNOLOGIES (CANADA) INC. 5435 North Service Road Burlington ON L7L 5H7 (905) 331-3579 Fax: (905) 332-7068

WESCOR WASTEWATER & ENVIRONMENTAL SYSTEMS 101-4096 Meadowbrook Dr London ON N6L 1G4 (866) 952-6523 Fax: (519) 652-6941 E-mail: info@wes-cor.ca Web site: www.wes-cor.ca Supplier of Industrial & Municipal wastewater treatment systems. Manufacturing innovative technologies which help achieve compliance. All systems are designed for ease of operation, maintenance and durability. Including: Industrial Pretreatment Systems – Continuous & Batch, Sludge Dewatering Equipment, Clarifiers, Indexing Filters, Multimedia Filters, Customized chemical treatment programs.

WESTECH ENGINEERING INC. 3665 South West Temple Salt Lake City UT 84115 USA (801) 265-1000 Fax: (801) 265-1080 E-mail: info@westech-inc.com Web site: www.westech-inc.com Contact: Marshall Palm, Marketing WesTech Engineering Inc. is a recognized leader in the manufacture of liquid-solids separation equipment for industrial and municipal process applications. Surface waters, groundwater, water

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Guide to Environmental Equipment & Service Suppliers reuse, drinking water, wastewater treatment and industrial equipment built to meet customer specifications, and exceed performance criterion. Turnkey and design-build capabilities. ISO 9001:2008 certified.

WESTECH INDUSTRIAL LTD. 2830 Argentia Rd, Unit #1 Mississauga ON L5N 8G4 (905) 812-3993 Fax: (905) 812-3995 E-mail: jerry@westech-ind.com Web site: www.westech-ind.com Contact: Jerry D’Ortenzio, Product Specialist Varec digester/landfill gas control equipment including waste gas flame arresters, relief valves, enclosed burners, regulators, sediment/drip traps, manholes, hatches. Westech emission/effluent pollution monitoring systems.

WESTEEL PO Box 792 Winnipeg MB R3C 2N5 (204) 233-7133 Fax: (204) 235-0796 Web site: www.westeel.ca Contact: Denis Tetrault, Sales Manager Westeel designs, engineers, and manufactures liquid storage products to withstand extreme temperatures, and harsh environments where dents and scrapes are common. All Westeel tanks and environmental containment products are manufactured using superior steel grades for strength, durability and longevity to meet or exceed all current environmental codes, standards, and guidelines. WHIPPS, INC. PO Box 1058, 370 S Athol Rd Athol MA 01331 USA (978) 249-7924

W.I.S.E. ENVIRONMENTAL SOLUTIONS INC. 145 Scott Rd Sarnia ON N7T 7V8 (519) 542-6667 Fax: (519) 542-8996 Contact: Mark LaBrasceur, Operations Manager

WORLDWIDE STORMTRAP, LLC 2495 W Bungalow Rd Morris IL 60450 USA (877) 867-6872 Fax: (815) 416-1100 Web site: www.stormtrap.com Contact: Justin May, Vice President StormTrap’s modular design allows the system to be completely customizable, giving it the ability to fit all types of job site parameters. The system’s innovative design maximizes the total volume of stormwater stored, while minimizing the project’s footprint and overall cost. WORLD WATER OPERATOR TRAINING COMPANY 3665 Wyandotte St E Windsor ON N8Y 1G4 (519) 974-5464 Fax: (519) 974-9603’

WTP EQUIPMENT CORP. 83 Nuggett Court Brampton ON L6T 5H2 (905) 799-3403 Fax: (905) 799-6638 Contact: Ken Argyle, Engineering Manager Canadian manufacturer of wastewater headworks equipment, including: mechanical bar screens, heavy duty deep well bar screens, continuously cleaned fine (to 1 mm) filter belt and perforated plate screens, conveyor screens, septage screens, screenings presses, screw conveyors, aerated tank and vortex chamber grit collectors and grit classifiers. Customer service is provided from our Brampton, Ontario, facility. XOGEN TECHNOLOGIES INC. 40 Centennial Rd Orangeville ON L9W 3T4 (519) 941-9500 Fax: (519) 941-9502 Contact: A. Hughes, President & CEO

WHIRL PAK-SPECTRUM NASCO 150 Pony Dr Newmarket ON L3Y 7B6 (800) 668-0600 Fax: (800) 668-0602 Contact: Stacey Haywood, Catalogue Director WIKA INSTRUMENTS LTD 2679 Bristol Circle Unit #1 Oakville ON L6H 6Z8 (905) 337-1611 Fax: (905) 337-2716 Contact: Lloyd Clarke, Market Segment Manager WILLMS & SHIER ENVIRONMENTAL LAWYERS LLP 4 King St W Ste #900 Toronto ON M5H 1B6 (416) 863-0711 Fax: (416) 863-1938 Contact: John Willms, Partner

WILO CANADA INC. 2915 10th Ave NE Bay 7 Calgary AB T2A 5L4 (403) 276-9456 Fax: (403) 277-9456 E-mail: info@wilo-canada.com Web site: www.wilo-canada.com Contact: Shelly McCauley, Administration WILO is a leading manufacturer of submersible pumps, submersible mixers and pumping stations technology for water and wastewater applications for the municipal and industrial markets. Wilo submersible pumps and mixers are equipped with EMU Technology.

XYLEM 300 Labrosse Ave Pointe-Claire QC H9R 4V5 (800) 588-7867 (514) 695-0100 Fax: (514) 697-0602 E-mail: ethel.velentzas@xyleminc.com Web site: www.xylemwatersolutions.com/ca Contact: Ethel Velentzas, Communications Manager Xylem Water Solutions provides a range of wastewater and dewatering pumps, biological treatment, filtration and disinfection products for municipal and industrial wastewater transport and treatment. We also feature a complete dewatering and pump rentals program. Our main brands are Flygt, Leopold, Sanitaire and Wedeco… Let’s solve water. XYPEX CHEMICAL CORP. 13731 Mayfield Pl Richmond BC V6V 2G9 (604) 273-5265 Fax: (604) 270-0451 Contact: Les Faure, Advertising Director YORK FLUID CONTROLS LTD. 2 Westwyn Ct Brampton ON L6T 4T5 (905) 454-4013 Fax: (905) 454-8423 Contact: M. Knapman, President/GM ZCL COMPOSITES INC. 1420 Parsons Rd SW Edmonton AB T6X 1M5 (780) 466-6648 Contact: Kristi Peterson, Marketing Manager

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January 2013 D5_ES&E 13-01-31 9:50 PM Page 98


When and how should you clean, calibrate or check your pH sensors? By Fred Kohlmann


ll pH readings are supposed to be taken and accepted only when the pH sensor is clean. After all, a contaminated pH sensor may yield an incorrect reading. So one must make sure the sensor is clean before doing a calibration. Once a pH sensor is installed and operating, how do you determine when it is time to take it out of the process and do a cleaning, or a calibration? Does one perform both a cleaning and a calibration, just a cleaning, or just a calibration? This is something that can be quite confusing, especially when the operational practices and procedures documented by your company’s Quality Control or Environmental Practices department may not be specific enough or too specific when they describe the procedure or the timing of when to conduct the pH calibration and maintenance. In practical terms, users must develop their own maintenance and calibration schedule. This is accomplished by taking the pH sensor out of the process after a set amount of time to perform a visual inspection. If you do not find debris or fouling on the electrode and reference surfaces with the naked eye, rinse the sensor off in distilled water and perform a buffer check. To perform a buffer check, place the sensor into the calibration buffers typically used and note the readings. If the readings are within the tolerances defined by operational procedures, it is not necessary to perform a calibration. For example, let us use ±0.2 pH as the tolerances for pass/fail of a pH sensor reading in a calibration buffer. If the sensor reads within this value, in the offset (7 pH) and span buffers, (4 pH), the sensor needs no further action and can be reinstalled. A calibration is not necessary. Repeat this exercise every few days until you see a change in either the level of debris/foulant on the electrode and reference surfaces, or more than the ±0.2 pH deviation. To a certain extent, the above procedure sets the benchmark for time be98 | January 2013

tween cleaning and calibration. Now, one needs to determine whether the sensor needs just a cleaning or a cleaning and re-calibration. This is done easily by first making sure the sensor is clean. It may be as easy as rinsing the sensor in water or as complicated as using acid or caustic solutions to remove the particular contaminate buildup. Should the above steps not yield results that are within your pass/fail criteria, it is time for a sensor cleaning. For the pH sensor to maintain an accurate reading of the process pH, it must remain clean. Specifically, the glass measuring electrode cannot become coated and the reference electrode assembly must not become coated, plugged or otherwise contaminated by the process solution. The following cleaning procedure should be followed: 1. Keep sensor as reasonably clean as possible. 2. Remove the bulk of contaminant by carefully blotting/wiping away debris. Be careful not to rub too vigorously as this may cause static charge. 3. Rinse the sensor in warm tap water or distilled water. 4. Prepare a cleaning solution containing a soap and water mixture. Use dishwashing detergent and warm water. Use only soaps that do not contain abra-

sives or lanolin. 5. Soak the sensor in this solution for up to five minutes and then gently or while soaking, use a soft bristle brush to gently scrub the bulb and reference area of the sensor. 6. Rinse the pH sensor in warm tap water and check/standardize the sensor in buffer solutions. If the readings in buffers are still out of tolerance: 1. Soak the sensor in 5% to 10% HCI acid solution for a few – less than five – minutes. Do not use this procedure if the sensor has been used in a solution containing cyanide as this may produce poisonous cyanide gas. 2. Rinse the sensor in warm tap water and then place the sensor into a mild soap solution for a minute or two to neutralize any remaining acid and let the sensor come to equilibrium. Rinse in warm tap water and check/standardize the sensor in buffer solutions. If the above procedures yield results that are within your operational tolerances, the pH sensor is once again ready for use. Fred Kohlmann is with Endress+Hauser. For more information, E-mail: scott.whitehouse@ca.endress.com

Environmental Science & Engineering Magazine

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Products ES&E’s Guide to Environmental Products & Services

Guide to Environmental Products & Services

See “Suppliers” Section (pg. 85) for address, etc., of any company listed in this section ACCESS HATCHES Can-Am Ins. Engineered Pump Sys. ENV Treatment Sys. Lemna Tech. MSU Mississauga Westech Ind. Xylem ACTIVATED CARBON ADSORBENTS BakerCorp BioAir Solutions Echelon Env. ENV Treatment Sys. ERE Filchem Insitu Contractors Napier-Reid Novo Water Conditioning Purafil Pure Water Corp. Sanitherm Veolia ACTUATORS Avensys Cancoppas Chemline Plastics ENV Treatment Sys. ERE Praher Valves VL Motion Sys. Waterra ADSORBENTS/ ABSORBENTS Barr Plastics ERE Pure Water Corp. Team-1 Academy AERATION SYSTEMS ADI Sys. Aqua Technical Sales Ashbrook Simon-Hartley Bio-Microbics C&M Environmental Canadianpond.ca Products Elmridge Eng. ENV Treatment Sys. Envirocan H2Flow Equip. Hydro-Logic Env. Kruger Kusters Water Lemna Tech. Napier-Reid Nelson Env. Ovivo Pro Aqua Pure Water Corp. R.E. Morrison Equip. Sanitherm Smith & Loveless USA Blue Book Vector Process Equip. Westech Eng. Xylem AEROBIC DIGESTION ADI Sys. Aqua Technical Sales Bio-Microbics Brentwood Industries C&M Environmental ENV Treatment Sys. Envirocan Greatario H2Flow Equip. Kruger


Kusters Water Lemna Tech. Napier-Reid Ovivo Pro Aqua Pure Water Corp. Vector Process Equip. Westech Eng. Xylem AIR EMISSIONS TESTING American Ecotech Avensys CEA Ins. Chrysalis Scientific Tech. ENV Treatment Sys. IDES Cda. Rice Eng. & Operating AIR FILTERS BakerCorp Blue-Zone Tech. Concept Ctrls. Davis Controls ENV Treatment Sys. ERE Filchem Met-Pro Env. Air Solutions Pencon Equip. Purafil R.E. Morrison Equip. Rice Eng. & Operating Syntec Process Equip. USA Blue Book AIR POLLUTION CONTROL EQUIPMENT ACG Tech. Arizona Ins. BakerCorp Blue-Zone Tech. Can-Am Ins. Chrysalis Scientific Tech. Concept Ctrls. ENV Treatment Sys. Fabricated Plastics Filtersense FCI Int. H2Flow Equip. Met-Pro Env. Air Solutions Noble Pro Aqua Purafil Strobic Air Corp., Met-Pro Vector Process Equip. Veolia Westech Ind. AIR STRIPPERS ENV Treatment Sys. ERE Fabricated Plastics Innov-X Tech. Met-Pro Env. Air Solutions ANAEROBIC DIGESTERS ADI Sys. Aqua Technical Sales Brentwood Industries C&M Environmental DDI Heat Exchangers Degremont Directrik ENV Treatment Sys. Greatario H2Flow Equip. Kruger Ovivo Pro Aqua Smith & Loveless Terratec Env.

Titan Env. Containment Vector Process Equip. Veolia Westech Eng. ANALYTICAL EQUIPMENT ABB American Ecotech Arizona Ins. Avensys Can-Am Ins. Carlo Gavazzi Concept Ctrls. Dalimar Ins. Elemental Controls Endress+Hauser ERE Indachem John Meunier Markland Specialty Eng. Novatech Osprey Scientific Pro Aqua Rice Eng. & Operating Rosemount Analytical SPD Sales USA Blue Book Westech Ind. Xylem ANALYZERS ABB American Ecotech Arizona Ins. Avensys Aysix Tech. Can-Am Ins. Cancoppas CEA Ins. Concept Ctrls. Dalimar Ins. Elemental Controls Endress+Hauser ERE Filtersense Grundfos Cda. Industrial Scientific Indachem Innov-X Tech. John Meunier KGO Group Markland Specialty Eng. Novatech Osprey Scientific Pro Aqua ProMinent Fluid Controls Rice Eng. & Operating Rosemount Analytical SPD Sales USA Blue Book Westech Ind. AQUIFERS Atlas Dewatering Insitu Contractors Int. Water Supply ARSENIC REMOVAL ACG Tech. ADI Sys. Aqua Technical Sales Bishop Water Tech. C&M Environmental Degremont ENV Treatment Sys. ERE H2Flow Equip. Indachem Kemira Water Solutions Pro Aqua Pure Water Corp.

Vector Process Equip. Veolia Westech Eng. ASBESTOS REMOVAL Cannington Group Concept Ctrls. ERE BACKFLOW PREVENTION Birksco Chemline Plastics Engineered Pump Sys. John Meunier Noble Pro Aqua Syntec Process Equip. USA Blue Book BACTERIA Avensys Bishop Water Tech. Canadianpond.ca Products ERE ICR Water Tech. Int. Water Supply USA Blue Book BIODEGRADABLE PRODUCTS Harco Enterprises BIOFILTERS ACG Tech. Aqua Technical Sales Brentwood Industries C&M Environmental ENV Treatment Sys. Floating Island H2Flow Equip. Met-Pro Env. Air Solutions MS Filter Sys. Pro Aqua Purafil Sanexen Env. Services Sapphire Water Int. Siemens Vector Process Equip. Veolia Waterloo Biofilter Sys. Westech Eng. BIOLOGICAL TREATMENT PROCESSES ACG Tech. ADI Sys. Aqua Technical Sales BioAir Solutions Bio-Microbics Bishop Water Tech. Brentwood Industries C&M Environmental DDI Heat Exchangers Degremont ENV Treatment Sys. Envirocan ERE Floating Island H2Flow Equip. Headworks Kruger Kusters Water Lemna Tech. Met-Pro Env. Air Solutions MS Filter Sys. Napier-Reid Nelson Env. Ovivo Pro Aqua Purafil Pure Water Corp.

Sanexen Env. Services Sanitherm Sapphire Water Int. Smith & Loveless Vector Process Equip. Veolia Westech Eng. BIOREACTOR Bio-Microbics Brentwood Industries C&M Environmental Continental Carbon Group DDI Heat Exchangers ENV Treatment Sys. H2Flow Equip. Napier-Reid Pro Aqua Pure Water Corp. Sanitherm Smith & Loveless Titan Env. Containment Vector Process Equip. Veolia Westech Eng. BIOREMEDIATION Barr Plastics Cannington Group Continental Carbon Group ENV Treatment Sys. ERE Floating Island Global Repair Newalta Pure Water Corp. Sanexen Env. Services Smith & Loveless Solinst BIOSOLIDS MANAGEMENT Ashbrook Simon-Hartley Bishop Water Tech. Continental Carbon Group DDI Heat Exchangers Degremont H2Flow Equip. Kemira Water Solutions Kruger Kusters Water Newalta Ovivo Pro Aqua Terratec Env. Veolia BLOWERS C&M Environmental Canadian Safety Equip. CSE Incendie et Securité Directrik Elmridge Eng. ENV Treatment Sys. Envirocan ERE Fabricated Plastics H2Flow Equip. N.R. Murphy Noble Pencon Equip. Pro Aqua R.E. Morrison Equip. Sanitherm Stanmech Tech. USA Blue Book Xylem BOREHOLE CLEARING Insitu Contractors Int. Water Supply

CATCH BASIN COMPONENTS ENV Treatment Sys. Hanson Pipe & Precast Inland Pipe Ipex John Meunier Ocean Pipe CENTRIFUGES Ashbrook Simon-Hartley ENV Treatment Sys. Envirocan ERE H2Flow Equip. Harco Enterprises Indachem Kusters Water Newalta Osprey Scientific Pro Aqua Terratec Env. Vector Process Equip. CHEMICAL MIXERS Directrik Dynamix Agitators Echelon Env. Elmridge Eng. ERE Hayward Gordon Indachem InTech Env. Service Filtration Vector Process Equip. York Fluid Controls CHEMICALS (sewage treatment) BASF C&M Environmental Kemira Water Solutions Newalta Veolia CHEMICALS (water treatment) BakerCorp BASF C&M Environmental Concept Ctrls. ERE ICR Water Tech. Kemira Water Solutions Kruger Novo Water Conditioning Pristine Water Solutions, Met-Pro Seepex Veolia CHLORINATION SYSTEM C&M Environmental Cancoppas Grundfos Cda. Napier-Reid ProMinent Fluid Controls Pure Water Corp. Siemens SPD Sales USA Blue Book CLARIFIERS ACG Tech. Aqua Technical Sales Bio-Microbics C&M Environmental Degremont DN Tanks ENV Treatment Sys.

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Products Envirocan Fisher Tank Company Greatario H2Flow Equip. Harco Enterprises Kruger Kusters Water Napier-Reid Ovivo Pro Aqua Sanitherm Smith & Loveless Titan Env. Containment Vector Process Equip. Veolia Westech Eng. Xylem CLEARWELL EQUIPMENT ENV Treatment Sys. Greatario H2Flow Equip. Titan Env. Containment

Guide to Environmental Products & Services Smith & Loveless USA Blue Book Vector Process Equip. Xylem COMMUNICATIONS Cancoppas Monitario Technical Services Xylem COMPOSTING EQUIPMENT SERVICES Global Repair COMPRESSED GASES Chrysalis Scientific Tech. Concept Ctrls. Linde Osprey Scientific Rice Eng. & Operating

COAGULATION SYSTEMS Bishop Water Tech. C&M Environmental Grundfos Cda. Hayward Gordon Indachem Napier-Reid Pure Water Corp. Veolia

COMPRESSORS Canadianpond.ca Products Chrysalis Scientific Tech. Directrik Elmridge Eng. ENV Treatment Sys. Napier-Reid Pencon Equip. Sulzer Pumps USA Blue Book Xylem

COATINGS Belzona Great Lakes Denso Fabricated Plastics Fisher Tank Company Interprovincial Corrosion Control Xypex Chemical Corp.

COMPUTERS & CONTROL SYSTEMS Cancoppas Davis Controls Millennium Control Company SPD Sales Summa Eng.

COLLECTORS ACG Tech. Brentwood Industries C&M Environmental ENV Treatment Sys. H2Flow Equip. Transport Env. Sys.

CONTAINMENT WALLS Layfield Rice Eng. & Operating Terrafix Geosynthetics Waterloo Barrier Westeel

COMBINED SEWER OVERFLOW EQUIPMENT Aqua Technical Sales BakerCorp Bio-Microbics C&M Environmental Can-Am Ins. Degremont Duperon Echelon Env. ENV Treatment Sys. H2Flow Equip. Hydreka Hydro Int. John Meunier Kusters Water Pro Aqua Smith & Loveless SPD Sales Vector Process Equip. Veolia Watermark Solutions COMMINUTORS/ GRINDERS Directrik ENV Treatment Sys. Envirocan G.E.T. Industries H2Flow Equip. Hayward Gordon ICR Water Tech. Napier-Reid Pro Aqua Sanitherm

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CONTRACTING Cannington Group Fisher Drilling Insitu Contractors Int. Water Supply Layfield Maple Reinders Titan Env. Containment CONTROL EQUIPMENT Avensys Can-Am Ins. Cancoppas Carlo Gavazzi Chemline Plastics Concept Ctrls. Davis Controls FCI Int. Greyline Ins. John Meunier Kusters Water Lemna Tech. Markland Specialty Eng. Millennium Control Company Smith & Loveless Strobic Air Corp., Met-Pro USA Blue Book Westech Ind. Xylem CONTROL PANELS Can-Am Ins. Cancoppas Directrik Engineered Pump Sys.

ENV Treatment Sys. ERE Millennium Control Company Napier-Reid Sapphire Water Int. Sterling Power Sys. Summa Eng. Syntec Process Equip. USA Blue Book Veolia Xylem COOLING TOWERS/ CONDENSERS Belzona Great Lakes Brentwood Industries CORROSION PREVENTION Belzona Great Lakes Chemline Plastics Corrugated Steel Pipe Institute Denso Echelon Env. Fabricated Plastics Fisher Tank Company Interprovincial Corrosion Control Kemira Water Solutions Purafil Pure Water Corp. Titan Env. Containment COVERS/ENCLOSURES (digester, etc.) ACG Tech. Aqua Technical Sales Birksco C&M Environmental Directrik ENV Treatment Sys. Envirocan Fisher Tank Company Greatario H2Flow Equip. HMT Layfield Lemna Tech. Napier-Reid Pro Aqua Titan Env. Containment Ultraflote Vector Process Equip. Westech Eng. CULVERTS Corrugated Steel Pipe Institute Hanson Pipe & Precast Ideal Pipe Inland Pipe Ocean Pipe Terrafix Geosynthetics Titan Env. Containment CUSTOM METAL FABRICATING Kusters Water MSU Mississauga Ultraflote VL Motion Sys. CUSTOM PLASTIC FABRICATING Barr Plastics Brentwood Industries ENV Treatment Sys. Fabricated Plastics Harco Enterprises Ideal Pipe Layfield Pipe Specialties Plasco Welding & Fabrication Titan Env. Containment

DATA a. acquisition b. analysis c. loggers d. management American Ecotech-all Can-Am Ins. Cancoppas-all Carlo Gavazzi-all Concept Ctrls.-c CUES-all Dalimar Ins.-all Davis Controls-a Hoskin Scientific-a,c Hydreka-all Kisters-all Measurement Specialties-a,c Osprey Scientific-all Solinst-a,c SPD Sales-all Telog Ins.-all Testo-c USA Blue Book-c Videx-all Watermark Solutions-c DECHLORINATORS C&M Environmental Grundfos Cda. ProMinent Fluid Controls Siemens SPD Sales USA Blue Book Westech Eng. DECOMMISSIONING Cannington Group Insitu Contractors Int. Water Supply Newalta Rice Eng. & Operating Sonic Soil Sampling DEGRITTERS Aqua Technical Sales C&M Environmental Degremont Directrik ENV Treatment Sys. H2Flow Equip. Hydro Int. John Meunier Kusters Water Napier-Reid Pro Aqua Smith & Loveless Vector Process Equip. Veolia Westech Eng. DEMINERALIZERS Aqua Technical Sales C&M Environmental ENV Treatment Sys. Napier-Reid Pure Water Corp. Smith & Loveless Vector Process Equip. Westech Eng. DEMOLITION Cannington Group Focus Env. Group DEWATERING SERVICES Ashbrook Simon-Hartley Atlas Dewatering BakerCorp Bishop Water Tech. Claessen Pumps Degremont ENV Treatment Sys. ERE Insitu Contractors Newalta

Rice Eng. & Operating Sanexen Env. Services Titan Env. Containment Veolia W.I.S.E. Env. Solutions Xylem DIALERS Can-Am Ins. Millennium Control Company SPD Sales DIGESTERS Aqua Technical Sales C&M Environmental DDI Heat Exchangers Degremont DN Tanks ENV Treatment Sys. Fisher Tank Company H2Flow Tanks & Sys. Kruger Layfield Ovivo Pro Aqua Smith & Loveless Terratec Env. Veolia Westech Eng. DISINFECTION EQUIPMENT Aqua Technical Sales C&M Environmental Degremont ENV Treatment Sys. Envirocan Grundfos Cda. H2Flow Equip. Indachem Novo Water Conditioning Pro Aqua ProMinent Fluid Controls Pure Water Corp. Sanitherm Siemens Smith & Loveless SPD Sales USA Blue Book UV Dynamics Vector Process Equip. Xylem DISSOLVED AIR FLOTATION ACG Tech. Aqua Technical Sales C&M Environmental Degremont ENV Treatment Sys. Envirocan H2Flow Equip. Huber Tech. Kusters Water Markland Specialty Eng. Napier-Reid Ovivo Pro Aqua Pure Water Corp. Sanitherm Smith & Loveless Westech Eng. Xylem DREDGES/DREDGING AMS Bishop Water Tech. Brentwood Industries ERE Newalta Terratec Env. DRILLING SERVICES Atlas Dewatering Fisher Drilling

Insitu Contractors Int. Water Supply Pure Water Corp. Rice Eng. & Operating Sonic Soil Sampling DRINKING WATER TREATMENT EQUIPMENT ACG Tech. Anthratech Western (AWI) Aqua Technical Sales C&M Environmental Cancoppas Degremont Duperon ENV Treatment Sys. ERE Grundfos Cda. H2Flow Equip. Indachem Keystone Filter, Met-Pro Kruger Kusters Water Napier-Reid Novo Water Conditioning Osprey Scientific Pristine Water Solutions, Met-Pro Pro Aqua ProMinent Fluid Controls Pure Water Corp. Rice Eng. & Operating Sapphire Water Int. Seepex Service Filtration Smith & Loveless SPD Sales Titan Env. Containment Trojan UV USA Blue Book UV Dynamics Vector Process Equip. Veolia Westech Eng. Xylem DRUM COMPACTORS ENV Treatment Sys. Pro Aqua DUST COLLECTION ENV Treatment Sys. Filtersense Met-Pro Env. Air Solutions N.R. Murphy EDUCATIONAL MATERIALS American Public University McGraw-Hill Ryerson University of Waterloo. Co-operative Education & Career Action EDUCTORS Atlas Dewatering Elmridge Eng. ENV Treatment Sys. Insitu Contractors Service Filtration USA Blue Book EJECTORS Aqua Technical Sales Elmridge Eng. ENV Treatment Sys. Linde Smith & Loveless USA Blue Book ELECTRIC MOTORS Dalimar Ins. ENV Treatment Sys. Int. Water Supply Sterling Power Sys. USA Blue Book VL Motion Sys.

Environmental Science & Engineering Magazine

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Guide to Environmental Products & Services EMERGENCY GAS SHUTOFF SYSTEMS ENV Treatment Sys. Halogen Valve Sys. Indachem Napier-Reid EMERGENCY RESPONSE BakerCorp Concept Ctrls. Drain-All Layfield Newalta Quantum Murray Team-1 Academy Transport Env. Sys. ENVIRONMENTAL LAW Willms & Shier Env. Lawyers ENVIRONMENTAL SITE ASSESSMENTS & REMEDIATION BakerCorp Concept Ctrls. Continental Carbon Group Drain-All ERE Innov-X Tech. Newalta Rice Eng. & Operating Sanexen Env. Services Cannington Group Titan Env. Containment ENVIRONMENTAL SOFTWARE American Ecotech Cancoppas Filtersense Kisters EROSION CONTROL PRODUCTS Belzona Great Lakes Corrugated Steel Pipe Institute Floating Island Layfield Pure Water Corp. Terrafix Geosynthetics Titan Env. Containment EVAPORATORS ENV Treatment Sys. H2Flow Equip. Indachem E-WASTE DDI Heat Exchangers EXPANSION JOINTS Belzona Great Lakes Harco Enterprises Ipex Noble Pencon Equip. Syntec Process Equip. USA Blue Book

Cancoppas ENV Treatment Sys. Indachem John Meunier KGO Group Pristine Water Solutions, Met-Pro Pro Aqua ProMinent Fluid Controls Seepex Siemens USA Blue Book FILTER EQUIPMENT Anthratech Western (AWI) Aqua Technical Sales BakerCorp C&M Environmental Continental Carbon Group Davis Controls ENV Treatment Sys. Envirocan ERE H2Flow Equip. Hayward Gordon InTech Env. Keystone Filter, Met-Pro Kruger Mefiag, Met-Pro Corp. Napier-Reid Newalta Novo Water Conditioning Orival Water Filters Ovivo Pro Aqua Purafil Pure Water Corp. R.E. Morrison Equip. Sanexen Env. Services Service Filtration Smith & Loveless Syntec Process Equip. USA Blue Book Vector Process Equip. Veolia Westech Eng. York Fluid Controls FILTER MEDIA/ MAINTENANCE Anthrafilter Anthratech Western (AWI) Aqua Technical Sales BakerCorp Continental Carbon Group ENV Treatment Sys. ERE Filtersense Imbrium Systems KDF Fluid Treatment Kruger Mefiag, Met-Pro Corp. Napier-Reid Novo Water Conditioning Purafil Pure Water Corp. Veolia

FANS Canadian Safety Equip. CSE Incendie et Securité ENV Treatment Sys. Fabricated Plastics Met-Pro Env. Air Solutions N.R. Murphy Noble Strobic Air Corp., Met-Proz

FILTER PRESSES Aqua Technical Sales Ashbrook Simon-Hartley C&M Environmental ENV Treatment Sys. Envirocan H2Flow Equip. Napier-Reid Osprey Scientific Ovivo Pro Aqua Pure Water Corp. Sanitherm Service Filtration Siemens

FEEDERS (chemical) C&M Environmental


FALL PROTECTION Canadian Safety Equip.


Aqua Technical Sales C&M Environmental Continental Carbon Group Degremont ENV Treatment Sys. H2Flow Equip. Napier-Reid Ovivo Pro Aqua Veolia Xylem FILTERS Anthratech Western (AWI) Aqua Technical Sales Barr Plastics Bio-Microbics C&M Environmental Concept Ctrls. Davis Controls Duperon ENV Treatment Sys. Envirocan ERE Filchem Floating Island Imbrium Systems H2Flow Equip. Hayward Gordon InTech Env. Keystone Filter, Met-Pro KGO Group Mefiag, Met-Pro Corp. MS Filter Sys. Napier-Reid Newalta Novo Water Conditioning Orival Water Filters Osprey Scientific Pro Aqua Pure Water Corp. R.E. Morrison Equip. Rice Eng. & Operating Sanexen Env. Services Sealogic Service Filtration USA Blue Book Vector Process Equip. Veolia Waterra Westech Eng. Xylem York Fluid Controls FLOCCULATORS/MIXERS C&M Environmental Degremont Dynamix Agitators Envirocan Hayward Gordon Indachem Napier-Reid Ovivo Pro Aqua Pure Water Corp. Smith & Loveless Vector Process Equip. Westech Eng. Xylem York Fluid Controls FLOTATION SYSTEMS ACG Tech. Aqua Technical Sales C&M Environmental ENV Treatment Sys. H2Flow Equip. Kusters Water Napier-Reid Ovivo Pro Aqua Vector Process Equip. Westech Eng. Xylem

FLOW METER CALIBRATION ACG Tech. Avensys Aysix Tech. Can-Am Ins. Cancoppas Concept Ctrls. Davis Controls Endress+Hauser ENV Treatment Sys. ERE FCI Int. Hydreka SPD Sales FLOW METERS ABB ACG Tech. Atlas Dewatering Avensys Aysix Tech. Bishop Water Tech. Can-Am Ins. Cancoppas Chemline Plastics Claessen Pumps Concept Ctrls. Davis Controls Endress+Hauser ENV Treatment Sys. ERE FCI Int. Greyline Ins. Hoskin Scientific Hydreka HydroVison Insitu Contractors John Meunier KGO Group Linde Master Meter Noble Osprey Scientific Praher Valves Rice Eng. & Operating Service Filtration SPD Sales Syntec Process Equip. USA Blue Book Watermark Solutions Xylem FLUMES Avensys Can-Am Ins. ENV Treatment Sys. Greyline Ins. Hoskin Scientific John Meunier Monitario Technical Services MSU Mississauga SPD Sales USA Blue Book Vector Process Equip. GAS DETECTION Analytical Tech. Arizona Ins. Assay Tech. Avensys Canadian Safety Equip. Can-Am Ins. Cancoppas CEA Ins. Chrysalis Scientific Tech. Concept Ctrls. CSE Incendie et Securité Davis Controls ENV Treatment Sys. ERE Halogen Valve Sys. Hoskin Scientific Industrial Scientific Indachem

Linde Mil-Ram Tech. Novatech Osprey Scientific Pure Water Corp. Rice Eng. & Operating Rosemount Analytical Sanexen Env. Services SPD Sales Team-1 Academy Testo USA Blue Book Westech Ind. GASES (calibration) CEA Ins. Chrysalis Scientific Tech. Concept Ctrls. Endress+Hauser ERE Indachem Linde Mil-Ram Tech. Novatech Osprey Scientific Rice Eng. & Operating SPD Sales Testo GATES (shear, sluice, etc.) Ashbrook Simon-Hartley Avensys B.N.W. Valve Manufacturing C&M Environmental GENERATORS (electrical) Insitu Contractors Toromont Cat Power Sys. USA Blue Book Xylem GEOMEMBRANES Bishop Water Tech. ENV Treatment Sys. Layfield Rice Eng. & Operating Terrafix Geosynthetics Titan Env. Containment GEOMEMBRANE WELDING EQUIPMENT Stanmech GEOSYNTHETICS Bishop Water Tech. ENV Treatment Sys. Filchem Layfield Rice Eng. & Operating Terrafix Geosynthetics Titan Env. Containment GEOTECHNICAL SERVICES Sonic Soil Sampling Terrafix Geosynthetics GEOTEXTILES Bishop Water Tech. Echelon Env. Global Repair Layfield Rice Eng. & Operating Terrafix Geosynthetics Titan Env. Containment GRIT COLLECTION/ REMOVAL Aqua Technical Sales Brentwood Industries C&M Environmental Degremont Directrik ENV Treatment Sys. Envirocan Hanson Pipe & Precast

H2Flow Equip. Huber Tech. Hydro Int. John Meunier Kusters Water Minotaur Stormwater Services Napier-Reid Ovivo Pro Aqua Sanitherm Smith & Loveless Terrafix Geosynthetics Terratec Env. Vector Process Equip. Veolia Westech Eng. GROUNDWATER MODELING Int. Water Supply Sanexen Env. Services GROUNDWATER MONITORING Atlas Dewatering Cancoppas Concept Ctrls. ERE Hydreka Insitu Contractors Kisters Measurement Specialties Newalta Rice Eng. & Operating Sanexen Env. Services Solinst Telog Ins. GROUNDWATER REMEDIATION/ EQUIPMENT Adler Tank Rentals AMS BakerCorp Barr Plastics Concept Ctrls. Elmridge Eng. ERE Geneq Insitu Contractors Measurement Specialties Newalta Osprey Scientific Rice Eng. & Operating Sanexen Env. Services Solinst Cannington Group Trojan UV Westech Eng. HAZARDOUS WASTE Cannington Group Drain-All Innov-X Tech. InTech Env. Newalta Ontario Lamp Recyclers Team-1 Academy Transport Env. Sys. W.I.S.E. Env. Solutions HEAT EXCHANGERS Aqua Technical Sales Belzona Great Lakes C&M Environmental DDI Heat Exchangers Directrik ENV Treatment Sys. Harco Enterprises Huber Tech. Napier-Reid Pro Aqua Sanitherm Vector Process Equip.

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Products HOSES Atlas Dewatering BakerCorp Barr Plastics Canadian Safety Equip. Claessen Pumps CSE Incendie et Securité ENV Treatment Sys. Noble Plasco Welding & Fabrication Sanexen Env. Services Xylem INCINERATOR SYSTEMS/EQUIPMENT Aqua Technical Sales Degremont Met-Pro Env. Air Solutions Pro Aqua Rice Eng. & Operating INSTRUMENTATION a. dissolved oxygen monitors b. groundwater monitoring c. meteorological d. rental e. repair f. toxicity monitors g. turbidimeters h. other ABB-a,g,h American Ecotech-c AMS-all Analytical Tech.-a,g,h Aquatic Sentry Controls-h Arizona Ins.-d,h Assay Tech.-h Avensys-a,b,c,d,e,f,g Aysix Tech.-a,g Can-Am Ins.-a,d,f,g Cancoppas-a,b,d,e,g Concept Ctrls.-a,b,d,e,f,g Davis Controls-a,b,g Endress+Hauser=a,c,e,g,h ERE-a,b,c,d,e,g,h Filtersense-all FCI Int.-h Geneq-a,b,c,d,e,f,g Greyline Ins.-h Hoskin Scientific -a,b,c,d,e,g Hydreka-all IDES Cda.-h Innov-X Tech.-h-b John Meunier-all KGO Group-a Markland Specialty Eng.-g,h Measurement Specialties-b Mil-Ram Tech.-a,b,c,d,e,g,h Novatech-a,f,g,h Osprey Scientific-all Rice Eng. & Operating-all Siemens-g Solinst-b SPD Sales-all Syntec Process Equip.-h Telog Ins.-b Testo-e,h Thermo Scientific Orion-a, g USA Blue Book-a,b,c,g UV Dynamics-h Waterra-all Westech Ind.-a Wika Ins.-h

Guide to Environmental Products & Services ENV Treatment Sys. H2Flow Equip. Napier-Reid Novo Water Conditioning Pro Aqua Pure Water Corp. Service Filtration Smith & Loveless Vector Process Equip. IRON REMOVAL PLANTS Aqua Technical Sales C&M Environmental Degremont ENV Treatment Sys. H2Flow Equip. Napier-Reid Pure Water Corp. Smith & Loveless IRON REMOVAL SYSTEMS ACG Tech. Anthratech Western (AWI) Aqua Technical Sales C&M Environmental Degremont ENV Treatment Sys. H2Flow Equip. Napier-Reid Novo Water Conditioning Pro Aqua Pure Water Corp. Sapphire Water Int. Smith & Loveless Westech Eng. LABORATORIES (analytical) Arizona Ins. Assay Tech. Cancoppas Endress+Hauser Fielding Chemical Tech. IDES Cda. Testmark Laboratories USA Blue Book LABORATORY SUPPLIES Cancoppas Chrysalis Scientific Tech. Concept Ctrls. ERE Geneq Hoskin Scientific IDES Cda. Innov-X Tech. John Meunier Osprey Scientific Rice Eng. & Operating Thermo Scientific Orion USA Blue Book Whirl-Pak

INSURANCE Burns & Wilcox Cda.

LAGOONS Bio-Microbics Bishop Water Tech. C&M Environmental ENV Treatment Sys. Envirocan H2Flow Equip. Layfield Lemna Tech. Napier-Reid Nelson Env. Pure Water Corp. Solar Bee & Gridbee Terrafix Geosynthetics Terratec Env. Titan Env. Containment Vector Process Equip. Veolia

ION EXCHANGE SYSTEMS Aqua Technical Sales BakerCorp C&M Environmental

LANDFILL Directrik ERE H2Flow Equip.

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Layfield Rice Eng. & Operating Sanitherm Terrafix Geosynthetics Titan Env. Containment Veolia LEAK DETECTION Arizona Ins. Assman Corp. Can-Am Ins. Cancoppas CEA Ins. Concept Ctrls. Davis Controls ERE Fisher Tank Company FCI Int. Hydreka Industrial Scientific Ipex Layfield Logiball Mil-Ram Tech. SPD Sales Testo USA Blue Book LEVEL CONTROLS ABB Aquatic Sentry Avensys Can-Am Ins. Cancoppas Carlo Gavazzi Chemline Plastics Claessen Pumps Davis Controls Endress+Hauser Engineered Pump Sys. ENV Treatment Sys. FCI Int. Greyline Ins. John Meunier KGO Group Markland Specialty Eng. Measurement Specialties Met-Pro Global Pump Solutions Schneider Electric SPD Sales USA Blue Book Westech Ind. Xylem LIME SLAKERS Directrik Indachem Siemens Smith & Loveless LINERS Barr Plastics ENV Treatment Sys. H2Flow Equip. Layfield Terrafix Geosynthetics Titan Env. Containment Vector Process Equip. W.I.S.E. Env. Solutions LOCATORS Interprovincial Corrosion Control Sonic Soil Sampling USA Blue Book LONE WORKER MONITORS Canadian Safety Equip. Concept Ctrls. CSE Incendie et Securité Osprey Scientific MAINTENANCE HOLES Hanson Pipe & Precast

MANGANESE REMOVAL SYSTEMS ACG Tech. Anthratech Western (AWI) Aqua Technical Sales C&M Environmental Degremont ENV Treatment Sys. H2Flow Equip. Napier-Reid Pro Aqua Sapphire Water Int. MATERIAL HANDLING Barr Plastics C&M Environmental ENV Treatment Sys. H2Flow Equip. Pro Aqua Seepex SEW-Eurodrive MEASUREMENT SYSTEMS ABB American Ecotech Avensys Cancoppas Carlo Gavazzi Elemental Controls Endress+Hauser FCI Int. Hoskin Scientific Hydreka John Meunier Markland Specialty Eng. Novatech Osprey Scientific Schneider Electric Testo MECHANICAL TRANSMISSION EQUIPMENT SEW-Eurodrive Sterling Power Sys. VL Motion Sys. MEMBRANES Aqua Technical Sales Belzona Great Lakes Bio-Microbics Blue-Zone Tech. C&M Environmental ENV Treatment Sys. Envirocan ERE H2Flow Equip. Kruger Layfield Lemna Tech. Napier-Reid Ovivo Pro Aqua Pure Water Corp. Sanitherm Sapphire Water Int. Siemens Smith & Loveless SPD Sales Terrafix Geosynthetics USA Blue Book Vector Process Equip. Veolia METER TESTING EQUIPMENT Cancoppas Endress+Hauser Geneq Master Meter Osprey Scientific METERS (Equip.) AMS Aysix Tech.

Birksco Can-Am Ins. Cancoppas Carlo Gavazzi Concept Ctrls. Endress+Hauser ERE FCI Int. Geneq Hoskin Scientific John Meunier Markland Specialty Eng. Master Meter Osprey Scientific Rice Eng. & Operating SPD Sales Testo Thermo Scientific Orion USA Blue Book Westech Ind. METERS (service & installation) Can-Am Ins. Endress+Hauser ERE Osprey Scientific MIXERS/AGITATORS BakerCorp Directrik Dynamix Agitators Elmridge Eng. ENV Treatment Sys. Envirocan ERE Greatario H2Flow Equip. Harco Enterprises Hayward Gordon Hydro-Logic Env. Indachem KGO Group Napier-Reid Osprey Scientific Ovivo Pro Aqua Sealogic Service Filtration SEW-Eurodrive Solar Bee & Gridbee Sulzer Pumps Titan Env. Containment USA Blue Book Vaughan Company Vector Process Equip. W.I.S.E. Env. Solutions Westech Eng. Xylem York Fluid Controls MONITORING WELL SUPPLIES AMS Concept Ctrls. ERE Fisher Drilling Hoskin Scientific Osprey Scientific Rice Eng. & Operating Solinst SPD Sales Waterra MONITORS ABB Arizona Ins. Assay Tech. Avensys Brentwood Industries Cancoppas CEA Ins. Concept Ctrls. Dalimar Ins. Davis Controls ERE

Filtersense Hoskin Scientific Industrial Scientific Markland Specialty Eng. Mil-Ram Tech. Novatech Osprey Scientific Rice Eng. & Operating SPD Sales Telog Ins. Xylem MOULD REMOVAL Concept Ctrls. ERE InTech Env. NOISE CONTROL Acoustic Product Sales Concept Ctrls. Dalimar Ins. ERE Strobic Air Corp., Met-Pro OCCUPATIONAL HEALTH & SAFETY PRODUCTS Arizona Ins. Avensys Canadian Safety Equip. Concept Ctrls. CSE Incendie et Securité Dalimar Ins. Devtra ERE Innov-X Tech. InTech Env. Mil-Ram Tech. Osprey Scientific ODOUR CONTROL ACG Tech. BakerCorp BioAir Solutions Canadianpond.ca Products Echelon Env. ENV Treatment Sys. Fabricated Plastics Filchem Floating Island Greatario H2Flow Equip. IDES Cda. Indachem Kemira Water Solutions Kruger Kusters Water Layfield Lemna Tech. Met-Pro Env. Air Solutions Napier-Reid Pro Aqua Purafil Sanitherm Solar Bee & Gridbee SPD Sales Strobic Air Corp., Met-Pro Turbosonic Ultraflote USA Blue Book Vector Process Equip. Veolia OIL CLEAN-UP EQUIPMENT Avensys Drain-All ERE Newalta Osprey Scientific Team-1 Academy Terrafix Geosynthetics W.I.S.E. Env. Solutions OIL IN WATER DETECTORS Avensys

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Guide to Environmental Products & Services Can-Am Ins. Cancoppas Concept Ctrls. Davis Controls Endress+Hauser ENV Treatment Sys. ERE Imbrium Systems Novatech Osprey Scientific Rice Eng. & Operating Solinst Waterra OIL/WATER SEPARATORS ACG Tech. Adler Tank Rentals Atlas Dewatering Brentwood Industries C&M Environmental Can-Am Ins. Davis Controls Echelon Env. ENV Treatment Sys. ERE H2Flow Equip. Imbrium Systems Indachem Minotaur Stormwater Services Napier-Reid Newalta Pro Aqua Pure Water Corp. Smith & Loveless Terrafix Geosynthetics Vector Process Equip. Westech Eng. ZCL Composites OZONATION EQUIPMENT Degremont Elmridge Eng. ENV Treatment Sys. Envirocan H2Flow Equip. ProMinent Fluid Controls Pure Water Corp. Xylem PACKAGE EFFLUENT CONTROL SYSTEMS Bio-Microbics C&M Environmental Directrik ENV Treatment Sys. ProMinent Fluid Controls Sanitherm Smith & Loveless SPD Sales Veolia PACKAGE SEWAGE LIFT STATIONS Aqua Technical Sales Barr Plastics Directrik Engineered Pump Sys. ENV Treatment Sys. Envirocan Gorman-Rupp H2Flow Equip. Pro Aqua Smith & Loveless Topp Industries PACKAGE SEWAGE TREATMENT PLANTS ACG Tech. Aqua Technical Sales Barr Plastics Bio-Microbics C&M Environmental Cancoppas DDI Heat Exchangers


Degremont ENV Treatment Sys. Envirocan H2Flow Equip. Headworks Kusters Water Napier-Reid Ovivo Pinnacle Env. Tech. Pro Aqua ProMinent Fluid Controls Pure Water Corp. Sanitherm Sapphire Water Int. Smith & Loveless USA Blue Book Vector Process Equip. Veolia Waterloo Biofilter Sys. Westech Eng. PACKAGE WATER TREATMENT SYSTEMS Anthratech Western (AWI) Aqua Technical Sales Atlas Dewatering Barr Plastics C&M Environmental Cancoppas Degremont ENV Treatment Sys. ERE H2Flow Equip. Insitu Contractors Kruger Lemna Tech. MS Filter Sys. Napier-Reid Pro Aqua ProMinent Fluid Controls Pure Water Corp. Sanexen Env. Services Sanitherm Sapphire Water Int. Seepex Smith & Loveless Trojan UV Vector Process Equip. Veolia Westech Eng. PCB TREATMENT/ STORAGE ERE Greatario Sanexen Env. Services PIPE DESIGN Hanson Pipe & Precast Inland Pipe Ocean Pipe Terrafix Geosynthetics Victaulic PIPE EQUIPMENT BakerCorp Chemline Plastics ERE Noble Rice Eng. & Operating Terrafix Geosynthetics PIPE FITTINGS Atlas Dewatering BakerCorp Chemline Plastics ERE Fabricated Plastics Harco Enterprises Ipex Noble Plasco Welding & Fabrication Rice Eng. & Operating Terrafix Geosynthetics USA Blue Book

Victaulic Xylem PIPE REHABILITATION CUES Denso Logiball Sanexen Env. Services Terrafix Geosynthetics PIPE RENTALS Atlas Dewatering BakerCorp Insitu Contractors Xylem PIPING a. concrete b. corrugated c. ductile iron d. fibreglass e. polyethylene f. polypropylene g. PVC h. PVDF i. steel BakerCorp Barr Plastics-e,f,g Chemline Plastics-e,f,h Concept Ctrls.-e,f,g Corrugated Steel Pipe Institute-b,i ERE-g,h,i Fabricated Plastics-d,g,h Hanson Pipe & Precast Ideal Pipe-b,e Inland Pipe Ipex-b,e,f,g,h Noble-all Ocean Pipe Pipe Specialties-d Plasco Welding & Fabrication- e,f,g,h Rice Eng. & Operating-g,h,i Terrafix Geosynthetics -b,e,f,g,i Titan Env. Containment-all USA Blue Book-g Xylem PIPELINE INSPECTION CUES PLANT OPERATIONS Cancoppas PLATE SETTLERS ACG Tech. Aqua Technical Sales C&M Environmental ENV Treatment Sys. Envirocan H2Flow Equip. Pro Aqua Vector Process Equip. Westech Eng. PNEUMATIC LIFT STATIONS Aqua Technical Sales Sanitherm Smith & Loveless POLYMER BLEND & PREP SYSTEMS BASF Directrik Echelon Env. Elmridge Eng. ENV Treatment Sys. Hayward Gordon Indachem InTech Env. John Meunier Napier-Reid Newalta

Pro Aqua ProMinent Fluid Controls SPD Sales PUMP DESIGN Atlas Dewatering Engineered Pump Sys. ERE Int. Water Supply KSB Met-Pro Global Pump Solutions Netzsch Seepex Smith & Loveless Syntec Process Equip. Xylem York Fluid Controls PUMP DRIVES ENV Treatment Sys. ERE Grundfos Cda. Harco Enterprises Int. Water Supply Netzsch Seepex SEW-Eurodrive Sterling Power Sys. Syntec Process Equip. USA Blue Book VL Motion Sys. Xylem York Fluid Controls PUMP MOTORS Aqua Technical Sales Claessen Pumps ENV Treatment Sys. ERE Int. Water Supply KSB Netzsch Noble Seepex Service Filtration SEW-Eurodrive Sterling Power Sys. Syntec Process Equip. USA Blue Book Xylem York Fluid Controls PUMP PROTECTION SYSTEMS Belzona Great Lakes Netzsch Seepex Xylem York Fluid Controls PUMP RENTALS Atlas Dewatering BakerCorp Claessen Pumps ERE Insitu Contractors Int. Water Supply Osprey Scientific Seepex Waterra Xylem York Fluid Controls PUMP REPAIRS Atlas Dewatering Belzona Great Lakes Claessen Pumps Engineered Pump Sys. ERE Hayward Gordon Int. Water Supply KGO Group KSB Netzsch Osprey Scientific

Sealogic Seepex Service Filtration Smith & Loveless Sulzer Pumps Xylem York Fluid Controls PUMP REPLACEMENT PARTS Aqua Technical Sales Atlas Dewatering Claessen Pumps Directrik ENV Treatment Sys. ERE Harco Enterprises Hayward Gordon Int. Water Supply KGO Group KSB Linde Met-Pro Global Pump Solutions Netzsch Noble Sealogic Seepex Service Filtration Smith & Loveless Sulzer Pumps Syntec Process Equip. USA Blue Book Xylem York Fluid Controls PUMP STATIONS & COMPONENTS Aqua Technical Sales Engineered Pump Sys. Met-Pro Global Pump Solutions Pro Aqua Seepex Smith & Loveless York Fluid Controls PUMPS a. wastewater b. water c. other Aqua Technical Sales-a Atlas Dewatering-all Avensys-a,b BakerCorp-all Barr Plastics-all Cancoppas-a,b Claessen Pumps-all Concept Ctrls.-b,c Directrik-a,b Elmridge Eng.-all Engineered Pump Sys.-a,b ENV Treatment Sys.-all ERE-all Gorman-Rupp-all Grundfos Cda.-all Hayward Gordon-all ICR Water Tech.-a,c Insitu Contractors-b,c Int. Water Supply-b KGO Group KSB-a,b,c Mefiag, Met-Pro Corp.-a,c Met-Pro Global Pump Solutions-all Netzsch-all Noble-all Osprey Scientific-all Pro Aqua ProMinent Fluid Controls-all Rice Eng. & Operating-all Sanitherm-a Seepex-all Service Filtration-all Siemens-a,b

Smith & Loveless-a Solinst-b Sulzer Pumps-a,b Syntec Process Equip.-a,b USA Blue Book-a,b Vaughan Company-all Waterra-all Watson-Marlow Pumps-a,b Xylem-all York Fluid Controls-all RAINWATER HARVESTING Echelon Env. RECORDERS ABB Cancoppas Dalimar Ins. Endress+Hauser Hoskin Scientific Hydreka Schneider Electric Solinst SPD Sales Telog Ins. USA Blue Book RENEWABLE ENERGY ADI Sys. Cancoppas Carlo Gavazzi DDI Heat Exchangers Greatario Kruger Pure Water Corp. REVERSE OSMOSIS Aqua Technical Sales C&M Environmental ERE H2Flow Equip. Indachem KDF Fluid Treatment Kemira Water Solutions Napier-Reid Novo Water Conditioning Pro Aqua Pure Water Corp. Sapphire Water Int. Siemens SPD Sales USA Blue Book Vector Process Equip. Veolia SAFETY EQUIPMENT Avensys Canadian Safety Equip. Concept Ctrls. CSE Incendie et SecuritĂŠ Devtra ERE Mil-Ram Tech. MSU Mississauga Noble Osprey Scientific Sur-Loc Team-1 Academy USA Blue Book W.I.S.E. Env. Solutions SAMPLERS & SAMPLING EQUIPMENT American Ecotech AMS Assay Tech. Aysix Tech. Birksco Can-Am Ins. Cancoppas Concept Ctrls. Endress+Hauser ERE Hoskin Scientific

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Products Hydreka Markland Specialty Eng. Mil-Ram Tech. Novatech Osprey Scientific Solinst SPD Sales Whirl-Pak SCADA SYSTEMS Cancoppas Davis Controls John Meunier Kruger Millennium Control Company Napier-Reid Schneider Electric SPD Sales Summa Eng. USA Blue Book SCALES ERE Hoskin Scientific Osprey Scientific USA Blue Book SCREENINGS Aqua Technical Sales Directrik ENV Treatment Sys. Envirocan Huber Tech. John Meunier Kusters Water Ovivo Pro Aqua Rice Eng. & Operating Veolia SCREENS ACG Tech. Aqua Technical Sales Bio-Microbics C&M Environmental DDI Heat Exchangers Degremont Directrik Duperon ENV Treatment Sys. Envirocan Global Repair H2Flow Equip. Headworks Huber Tech. Hydro Int. John Meunier Kruger Kusters Water Napier-Reid Ovivo Pro Aqua Rice Eng. & Operating Sanitherm Siemens Smith & Loveless Vector Process Equip. Veolia W.I.S.E. Env. Solutions Westech Eng. SCRUBBERS/WASHERS Elmridge Eng. ERE Fabricated Plastics Met-Pro Env. Air Solutions Pro Aqua Purafil Smith & Loveless Turbosonic W.I.S.E. Env. Solutions Westech Ind. SEALS Atlas Dewatering

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Guide to Environmental Products & Services Harco Enterprises Sealogic Xylem SECONDARY CONTAINMENT Assman Corp. BakerCorp Barr Plastics Belzona Great Lakes ENV Treatment Sys. Ipex Layfield Pipe Specialties Titan Env. Containment Transport Env. Sys. Ultraflote ZCL Composites SECURITY PRODUCTS ERE Videx SEDIMENTATION SYSTEMS Aqua Technical Sales Atlas Dewatering C&M Environmental ENV Treatment Sys. ERE H2Flow Equip. Hanson Pipe & Precast Inland Pipe Insitu Contractors Kusters Water Napier-Reid Ocean Pipe Ovivo Pro Aqua Smith & Loveless Terrafix Geosynthetics Veolia Westech Eng. SEPARATORS ACG Tech. C&M Environmental Can-Am Ins. Echelon Env. ENV Treatment Sys. ERE H2Flow Equip. Harco Enterprises Hanson Pipe & Precast HMT Hydro Int. Imbrium Systems Inland Pipe Napier-Reid Ocean Pipe Pro Aqua Pure Water Corp. Smith & Loveless Westech Eng. Westech Ind. SEPTAGE RECEIVING SYSTEMS Aqua Technical Sales Aysix Tech. Birksco C&M Environmental Cancoppas ENV Treatment Sys. Envirocan Greatario H2Flow Equip. Huber Tech. Indachem Inland Pipe Ocean Pipe Pro Aqua Sanitherm SPD Sales Vector Process Equip.

SEPTIC TANKS & EQUIPMENT Adler Tank Rentals Barr Plastics Bio-Microbics C&M Environmental ENV Treatment Sys. Greatario Topp Industries Waterloo Biofilter Sys. ZCL Composites SEQUENCING BATCH REACTORS (SBR) ADI Sys. Aqua Technical Sales C&M Environmental DDI Heat Exchangers ENV Treatment Sys. Envirocan Greatario H2Flow Equip. Lemna Tech. Napier-Reid Pro Aqua Sanitherm Veolia Xylem SERVICE CONTRACTING Cancoppas Endress+Hauser Insitu Contractors SEWAGE GAS EQUIPMENT Avensys Can-Am Ins. Cancoppas H2Flow Equip. Pencon Equip. Westech Ind. SEWER EQUIPMENT & PRODUCTS Airvac Can-Am Ins. Cancoppas CUES DDI Heat Exchangers Hydreka Inland Pipe Logiball Ocean Pipe USA Blue Book SHREDDERS/ COMPACTORS Directrik ENV Treatment Sys. Envirocan H2Flow Equip. John Meunier Pro Aqua Stedman Machine Co. Veolia SITE REMEDIATION BakerCorp Bishop Water Tech. Concept Ctrls. Continental Carbon Group Drain-All Elemental Controls ERE Fisher Drilling Focus Env. Group Insitu Contractors Newalta Rice Eng. & Operating Sanexen Env. Services Cannington Group SLUDGE DEWATERING Aqua Technical Sales BakerCorp

BASF Bishop Water Tech. Claessen Pumps Degremont Echelon Env. ENV Treatment Sys. Envirocan ERE Greatario H2Flow Equip. Huber Tech. Indachem Kemira Water Solutions Layfield Linkon Tech. Napier-Reid Newalta Ovivo Pro Aqua Pure Water Corp. Sanitherm Seepex Smith & Loveless Terratec Env. Cannington Group Titan Env. Containment Vector Process Equip. Veolia W.I.S.E. Env. Solutions Westech Eng. Xylem SLUDGE DISPOSAL Cannington Group Drain-All Linkon Tech. Newalta Terratec Env. Titan Env. Containment W.I.S.E. Env. Solutions SLUDGE DRYING Aqua Technical Sales Degremont ENV Treatment Sys. Envirocan ERE H2Flow Equip. Huber Tech. Indachem Kruger Kusters Water Newalta Pro Aqua Seepex Terratec Env. Titan Env. Containment Vector Process Equip. Veolia SLUDGE HANDLING EQUIPMENT ACG Tech. Aqua Technical Sales BakerCorp C&M Environmental Duperon ENV Treatment Sys. Envirocan ERE Greatario H2Flow Equip. ICR Water Tech. Kruger Napier-Reid Ovivo Pro Aqua Sanitherm Seepex Titan Env. Containment Vaughan Company Vector Process Equip. W.I.S.E. Env. Solutions SLUDGE - LEVEL CONTROL

Avensys Can-Am Ins. Cancoppas Davis Controls Endress+Hauser ERE Markland Specialty Eng. Seepex USA Blue Book Whirl-Pak SLUDGE REMOVAL EQUIPMENT ACG Tech. Adler Tank Rentals Atlas Dewatering C&M Environmental Can-Am Ins. ENV Treatment Sys. ERE Kruger Kusters Water Newalta Seepex Titan Env. Containment W.I.S.E. Env. Solutions Westech Eng. SOIL REMEDIATION AMS Cannington Group Concept Ctrls. Elemental Controls ERE Fisher Drilling Focus Env. Group Global Repair Innov-X Tech. Layfield Newalta Sanexen Env. Services SOIL STABILIZATION Cannington Group Layfield Newalta Terrafix Geosynthetics Titan Env. Containment SOLVENT RECOVERY SYSTEMS Blue-Zone Tech. ERE Fielding Chemical Tech. InTech Env. SOLVENT RECYCLING SERVICES Drain-All Fielding Chemical Tech. InTech Env. SPILL CONTAINMENT Assman Corp. BakerCorp Barr Plastics Drain-All ERE Inland Pipe Layfield Newalta Ocean Pipe Plasco Welding & Fabrication Spill Management Titan Env. Containment Transport Env. Sys. USA Blue Book W.I.S.E. Env. Solutions SPILL RESPONSE Arizona Ins. BakerCorp Cannington Group Drain-All Newalta

Osprey Scientific Team-1 Academy Transport Env. Sys. W.I.S.E. Env. Solutions SPILL RESPONSE EQUIPMENT Adler Tank Rentals BakerCorp Canadian Safety Equip. Can-Am Ins. Concept Ctrls. CSE Incendie et Securité ERE Layfield Newalta Osprey Scientific Spill Management Team-1 Academy Transport Env. Sys. W.I.S.E. Env. Solutions SPILL RESPONSE TRAINING Spill Management Team-1 Academy STAND PIPES Fisher Tank Company Greatario STORAGE BUILDINGS ENV Treatment Sys. MegaDome Building STORAGE CONTAINERS Assman Corp. BakerCorp Barr Plastics ENV Treatment Sys. ERE Ocean Pipe Pro Aqua Transport Env. Sys. W.I.S.E. Env. Solutions STORAGE TANKS Adler Tank Rentals Assman Corp. BakerCorp Barr Plastics Belzona Great Lakes Cannington Group DN Tanks Engineered Pump Sys. ENV Treatment Sys. ERE Fabricated Plastics Fisher Tank Company Focus Env. Group Greatario Hanson Pipe & Precast H2Flow Tanks & Sys. HMT Indachem John Meunier KGO Group Plasco Welding & Fabrication Pro Aqua Pure Water Corp. Terrafix Geosynthetics Terratec Env. Titan Env. Containment USA Blue Book W.I.S.E. Env. Solutions Westeel ZCL Composites STORMWATER MANAGEMENT ACG Tech. Atlas Dewatering Avensys Barr Plastics Bio-Microbics

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Guide to Environmental Products & Services C&M Environmental Can-Am Ins. Cancoppas Corrugated Steel Pipe Institute CUES Directrik Duperon Echelon Env. ENV Treatment Sys. ERE Floating Island H2Flow Equip. Hanson Pipe & Precast Hydro Int. Ideal Pipe Inland Pipe Ipex Kisters Kruger Layfield Minotaur Stormwater Services Ocean Pipe Pro Aqua Seepex Smith & Loveless Solar Bee & Gridbee Terrafix Geosynthetics Titan Env. Containment Westech Eng. STRAINERS Anthratech Western (AWI) Atlas Dewatering Directrik ENV Treatment Sys. ERE H2Flow Equip. Noble Orival Water Filters Plasco Welding & Fabrication Praher Valves Pure Water Corp. York Fluid Controls TANK CLEANING Greatario Newalta Terratec Env. TANK DESIGN DN Tanks Fisher Tank Company Greatario H2Flow Tanks & Sys. Indachem Layfield Terrafix Geosynthetics Titan Env. Containment TANK INSPECTION DN Tanks Greatario Newalta Titan Env. Containment Whirl-Pak TELEMETERING EQUIPMENT Cancoppas Endress+Hauser Hoskin Scientific Hydreka Millennium Control Company Schneider Electric Solinst SPD Sales Summa Eng. THICKENERS C&M Environmental Degremont ENV Treatment Sys.


Envirocan H2Flow Equip. Huber Tech. Indachem Kusters Water Napier-Reid Ovivo Pro Aqua Smith & Loveless Vector Process Equip. Westech Eng. TRAINING American Ecotech Canadian Safety Equip. CSE Incendie et SecuritĂŠ Endress+Hauser Grundfos Cda. Industrial Scientific Osprey Scientific Team-1 Academy Terrafix Geosynthetics Xylem TRENCHLESS TECHNOLOGY Corrugated Steel Pipe Institute CUES Inland Pipe Ipex Logiball Ocean Pipe Sanexen Env. Services Terrafix Geosynthetics VACUUM EQUIPMENT Airvac BakerCorp Elmridge Eng. ERE ICR Water Tech. Insitu Contractors Linde Newalta R.E. Morrison Equip. USA Blue Book W.I.S.E. Env. Solutions VALVE ACCESSORIES Aysix Tech. Chemline Plastics ERE Ipex Noble Praher Valves Syntec Process Equip. USA Blue Book VL Motion Sys. Xylem VALVE SERVICING Chemline Plastics Syntec Process Equip. VALVES Airvac Atlas Dewatering B.N.W. Valve Manufacturing Barr Plastics Birksco Cancoppas Chemline Plastics Concept Ctrls. Engineered Pump Sys. ERE Hydro-Logic Env. Ipex John Meunier Linde Met-Pro Global Pump Solutions Mueller Noble Plasco Welding & Fabrication

Praher Valves Syntec Process Equip. USA Blue Book Victaulic Waterra Westech Ind. Xylem York Fluid Controls VARIABLE SPEED DRIVES Carlo Gavazzi Davis Controls Grundfos Cda. Harco Enterprises SEW-Eurodrive SPD Sales Sterling Power Sys. USA Blue Book VL Motion Sys. WASTE DISPOSAL AND RECYCLING DDI Heat Exchangers Drain-All Focus Env. Group Newalta Ontario Lamp Recyclers Pure Water Corp. Sanexen Env. Services WASTE REMOVAL EQUIPMENT Adler Tank Rentals BakerCorp C&M Environmental ENV Treatment Sys. ERE Newalta W.I.S.E. Env. Solutions WASTE MANAGEMENT Cannington Group DDI Heat Exchangers Drain-All Fielding Chemical Tech. Global Repair InTech Env. Newalta Ontario Lamp Recyclers Sanexen Env. Services Seepex W.I.S.E. Env. Solutions Whirl-Pak WASTEWATER COLLECTION SYSTEMS Airvac BakerCorp Barr Plastics Brentwood Industries Engineered Pump Sys. ENV Treatment Sys. H2Flow Equip. Hydro Int. Inland Pipe Kisters Newalta Ocean Pipe Ocion Water Sciences Pro Aqua Smith & Loveless USA Blue Book W.I.S.E. Env. Solutions Whirl-Pak WASTEWATER NEUTRALIZING Greatario H2Flow Equip. Ocion Water Sciences ProMinent Fluid Controls Sanexen Env. Services Veolia Whirl-Pak

WASTEWATER TREATMENT SYSTEMS ACG Tech. ADI Sys. Adler Tank Rentals Anthratech Western (AWI) Aqua Technical Sales Avensys BakerCorp Barr Plastics BASF Bio-Microbics Brentwood Industries C&M Environmental DDI Heat Exchangers Degremont ENV Treatment Sys. Envirocan ERE Floating Island Greatario H2Flow Equip. Hydro Int. InTech Env. Kisters Kruger Kusters Water Lemna Tech. Met-Pro Env. Air Solutions Napier-Reid Nelson Env. Newalta Ocion Water Sciences Ovivo Pro Aqua ProMinent Fluid Controls Pure Water Corp. Rice Eng. & Operating Sanexen Env. Services Sanitherm Schneider Electric Seepex Service Filtration Smith & Loveless Solar Bee & Gridbee Summa Eng. Trojan UV Vector Process Equip. Veolia Waterloo Biofilter Sys. Westech Eng. Xogen Tech. Xylem WATER CONSERVATION/ MANAGEMENT Barr Plastics Corrugated Steel Pipe Institute Echelon Env. Greatario Inland Pipe Kisters Ocean Pipe Ocion Water Sciences Rice Eng. & Operating WATER LEVEL INDICATORS ABB Atlas Dewatering Avensys Barr Plastics Can-Am Ins. Cancoppas Concept Ctrls. Davis Controls Endress+Hauser ERE Geneq Greyline Ins. Hoskin Scientific HydroVison John Meunier Noble Osprey Scientific

Solinst USA Blue Book Waterra Xylem WATER METERS ABB Can-Am Ins. Cancoppas Concept Ctrls. Endress+Hauser ERE John Meunier Master Meter Noble Osprey Scientific ProMinent Fluid Controls Syntec Process Equip. USA Blue Book WATER QUALITY MONITORS ABB Analytical Tech. Avensys Can-Am Ins. Cancoppas Concept Ctrls. Endress+Hauser ERE Geneq Hoskin Scientific Innov-X Tech. Int. Water Supply John Meunier Measurement Specialties Mil-Ram Tech. Novatech Osprey Scientific Rosemount Analytical SPD Sales

Denso Terrafix Geosynthetics Xypex Chemical Corp. WEIRS Adler Tank Rentals Avensys C&M Environmental Can-Am Ins. Corrugated Steel Pipe Institute ENV Treatment Sys. Fabricated Plastics Inland Pipe Kusters Water Ocean Pipe Smith & Loveless USA Blue Book Vector Process Equip. W.I.S.E. Env. Solutions ZEBRA MUSSEL CONTROL ACG Tech. C&M Environmental Indachem Napier-Reid Orival Water Filters ProMinent Fluid Controls SPD Sales Xylem

WATER QUALITY TEST KITS Avensys Concept Ctrls. ERE Geneq Hoskin Scientific John Meunier Novo Water Conditioning Osprey Scientific Pure Water Corp. SPD Sales Thermo Scientific Orion USA Blue Book Whirl-Pak WATER TOWERS Greatario H2Flow Tanks & Sys. Indachem Team-1 Academy Titan Env. Containment WATER USE & TREATMENT OPTIMIZATION Anthratech Western (AWI) BASF Cancoppas Greatario Kemira Water Solutions Lemna Tech. Napier-Reid Novo Water Conditioning Seepex Veolia Westech Eng. Whirl-Pak Xogen Tech. Xylem WATERPROOFING Belzona Great Lakes Continental Carbon Group

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Advertiser INDEX



ACG Technology..........................107 American Public University ..........33 American Water Works Assoc. .....97 American Water/Terratec Env. ......29 Associated Engineering .................5 Barr Plastics.....................................8 Brentwood Industries....................16 C&M Env. Technologies ...............19 Canadian Safety.............................45 Can-Am Instruments .....................12 Cancoppas .....................................37 Chemline Plastics ..........................38 CIMA Canada..................................38 Cole Engineering ...........................63 Degremont Technologies..............17 Delcan .............................................53 Denso .............................................18 Endress + Hauser ..........................15 Engineered Pump ..........................14 Envirocan ....................................107 Geneq..............................................40 Greatario.........................................10 H2Flow ............................................59 Halogen Valve Systems.................65 Hoskin Scientific......................39, 51 Huber Technology ...........................9 Indachem ........................................25 International Water Supply ...........65 IPEX...........................................11, 61 Kemira.............................................44 KGO Group.....................................27 Kusters Water ................................21 Master Meter.....................................3 MSU Mississauga ..........................41

West Elgin operator jailed for drinking water violations The Municipality of West Elgin and three of its water distribution system operators were fined $154,500 for drinking water violations including providing false information and failing to report adverse test results. Additionally one of the operators was sentenced to 30 days in jail and received a Court Order as a result of charges by the Ministry’s Investigation and Enforcement Branch. Lloyd Jarvis was the lead operator for the system. Chad Yokom and Michael Kalita were certified operators. Ministry staff conducted an inspection and found that the minimum level of chlorine had not been maintained in the system, log books had been altered, and false information had been provided to the Ministry. In addition, the operators did not report occurrences to the Ministry or the Medical Officer of Health when chlorine levels in the distribution system were below the minimum level. The Municipality of West Elgin, Lloyd Jarvis, Michael Kalita and Chad Yokom were fined a total of $154,500, plus victim fine surcharges of $38,625. The municipality was given 30 days and the operators 180 days to pay their fines. Mr. Jarvis was sentenced to 30 days in jail and ordered to surrender his certificate to operate a drinking water system and not to work at or operate any business or employment concerning or related to drinking water.

National Ground Water Assoc. .....66 OCION Water Sciences Group......40 Orival...............................................64 Osprey Scientific ...........................52 Praher Canada ...............................62 Pro Aqua .........................................35 ProMinent .........................................2 SEW-Eurodrive...............................16 Smith & Loveless...........................49 Solinst Canada...............................23 Stantec............................................59 Syntec .............................................31 Team-1 Academy..........................108 USF Fabrication .............................14 Walkerton Clean Water Centre .......8 Waterra .........................13, 43, 55, 60 Westeel ...........................................57 XCG Consultants ...........................52 Xylem ................................................7

Biotechnology may help with hydraulic fracturing wastewater treatment Biotechnology may help with hydraulic fracturing wastewater treatment Fracking, the use of hydraulic pressure to release natural gas and oil from shale, carries possible environmental and public health risks, most notably water contamination. A University of Minnesota research team is addressing this challenge by developing innovative biotechnology to purify fracking wastewater. The team is using naturally-occurring bacteria embedded in porous silica materials to biodegrade contaminants in fracking wastewater, a technology they originally

developed to remove agricultural pesticides from soil and water. They now have the ability to customize the technology to degrade chemicals in water used for fracking. Their goal is to make the water suitable for re-use in fracking of other wells and significantly reduce the amount of water used by industry. The team will work with Tundra Companies of White Bear Lake, Minnesota, on silica encapsulation technologies, and Luca Technologies of Boulder, Colorado, on a related effort, using encapsulated microbes to recover natural gas from depleted coal beds. Fracking relies on forcing millions of gallons of water, sand and chemicals deep into the earth, creating fissures that allow natural gas or oil to escape and be recovered. Wastewater returns to the surface where it is treated and released into surface water, injected back into the earth, or recycled for use for fracking of other wells. Evaporation and filtration, the current treatment methods, are expensive. Moreover, they don’t eliminate chemicals, they simply reduce them to a concentrated form. Industrial scale evaporation and filtration are energy intensive, and both methods leave behind a chemical residue that presents a disposal challenge. www.nsf.gov

Kusters Zima implements ISO 9001 Achieving certification demonstrates Kusters Zima Corporation’s compliance to ISO 9001:2008, which is a set of guidelines developed by the International Organization for Standardization. These standards outline a philosophy of quality management. When applied well, the practices yield error-free products and services and result in high levels of customer satisfaction. Kusters Water is a major division of Kusters Zima Corp. www.kusterswater.com

Environmental Science & Engineering Magazine

January 2013 D5_ES&E 13-01-31 9:50 PM Page 107

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