UV DISINFECTION TECHNOLOGY WINS CERTIFICATION Full certification for drinking water, in accordance with US Environmental Protection Agency (USEPA) standards, has been granted to Berson closed vessel UV water disinfection technology, w hich is represented in Australia by CST Wastewater Solutions (formerly Contra Shear Technology). Michael Bambridge Managing, Director of CST Wastewater Solutions commented "This validation is important as it confirms our position at the forefront of UV disinfection technology for drinking water and wastewater applicat ions. Adopters of the Berson closed vessel UV technology in Australia now have no need to carry out their own independent validation testing of the disinfection system for water re-use and pot able water systems, as they have test results that they can depend on."
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Berson Managing Director Andrew Clark said: "From the time we manufactured some of the very first UV drinking water disinfection units over 20 years ago, we have been actively involved in providing communities with safe, reliable purification. This latest validation continues our long trad ition of investing in the industry. We are proud that the Berson state-of-the-art UV disinfection systems meet the very latest and most stringent drinking water standards." The testing, conducted by Carollo Engineers at its Portland, Oregon validation facil ity, met the standards of the USEPA's UV Disinfection Guidance Manual (UVDGM). Th is certifies the use of the systems for the Long Term 2 Enhanced Surface Water Treatment Rule released by the USEPA in November 2006.
UV closed vessel disinfection is increasingly being used as an augmentation or substitute for traditional chlorine disinfection, especially as concerns grow over the possible carcinogenic effects of chlorine. Wh ile traditional methods are still widely employed for drinking water purification in Australia, UV disinfection is gaining in popularity.
Closed vessel UV disinfection systems are easy to install within existi ng pipework, so there is minimal disruption to plant operation. Day-today operation is simple and maintenance is minor. Th e only regular requirement is changing the UV lamps and wi per rings once a year, a straightforward operation that can be carried out by on-site personnel.
Berson is exclusively represented in Australia by CST Wastewater Solutions (www.cstechnology.com.au). CST is a member of the Global Water and Energy Alliance, a group of select global companies committed to providing solutions in water and wast ewater treatment for the recovery of green energy and water. For further information, 02 9417 3611 Fax: 02 9417 0097, email: info@cstechnology.com.au, web: www.cstwastewater.com
NEW US EPA LEAD STANDARD In October 2008, the US EPA tightened its National Ambient Air Quality Standards (NAAQS) for lead (Pb) from 1.5 µg/m3 to 0.15 µg/m 3 , measured as total suspended particulates (TSP). This change has meant a 10-fold decrease in acceptable lead levels and thus, the accuracy of monitoring equipment is even more important. Ecotech Pty Ltd meets this stringent new monitoring requirement w ith its US EPA approved HiVol 3000 (R FPS-0706162) and also with its latest product, the MegaVol 3000. In order to accurately monitor these new low levels of lead, the HiVol 3000 air sampler is fitted with accurate volumetric flow control including inputs from local cond itions, i.e. local air temperatu re and pressure. The exhaust from the HiVol 3000 is also directed away from the sampling point by at least 4m to ensure no recirculation of sample air. The MegaVol 3000 sampler, designed for the European air monitoring community, uses a flow rate of 150 m3/hr and has been designed to obtain low concentration (trace) detection limits for a number of target compounds and elements including: • Lead and all types of heavy metals • Rad ioactive particles • Organochlorine pesticides • Polychlorinated Biphenyls (PCB) • Polynuclear Aromatic Hydrocarbons (PAH)
WaterGEMS®
COMPREHENSIVE AND EASY TO USE WATER DISTRIBUTION MODELLING SOFTWARE ~ ~~~!.!~Y WaterGEMS comes equipped with everything engineers need in a fl exible multi-platform environment, from fire flow and water quality simulations, to criticality and energy cost a nalysis, to flushing and water loss analysis. WaterGEMS can be run in ArcGIS, AutoCAD, MicroStation or as a stand-alone a pplication. For more information, see the inside front cover of the August issue of Water Journal, visit www.bentley.com/A WA , e-mail sales.haestad @bentley.com, or call +61 (0)3 9699 8699.
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