Operators: Take the CEU Challenge! Members of the Florida Water and Pollution Control Operators Association (FWPCOA) may earn continuing education units through the CEU Challenge! Answer the questions published on this page, based on the technical articles in this month’s issue. Circle the letter of each correct answer. There is only one correct answer to each question! Answer 80 percent of the questions on any article correctly to earn 0.1 CEU for your license. Retests are available. This month’s editorial theme is Disinfection and Water Quality. Look above each set of questions to see if it is for water operators (DW), distribution system operators (DS), or wastewater operators (WW). Mail the completed page (or a photocopy) to: Florida Environmental Professionals Training, P.O. Box 33119, Palm Beach Gardens, Fla. 334203119. Enclose $15 for each set of questions you choose to answer (make checks payable to FWPCOA). You MUST be an FWPCOA member before you can submit your answers!
Earn CEUs by answering questions from previous Journal issues!
___________________________________ SUBSCRIBER NAME (please print)
Article 1 _________________________________ LICENSE NUMBER for Which CEUs Should Be Awarded
Article 2 _________________________________ LICENSE NUMBER for Which CEUs Should Be Awarded
If paying by credit card, fax to (561) 625-4858 providing the following information: ___________________________________ (Credit Card Number)
Contact FWPCOA at membership@fwpcoa.org or at 561-840-0340. Articles from past issues can be viewed on the Journal website, www.fwrj.com.
____________________________________ (Expiration Date)
The CEU Challenge appearing in the July 2019 issue (page 46) was incorrectly identified as a wastewater credit course. It is approved by the Florida Department of Environmental Protection for drinking water and water distribution CEU credit only.
The Unique Raw Water Supply Distribution System at the Heart of a Total Water Management Plan
Wastewater Chlorination Systems: A Holistic Approach Toward Design and Construction
Stephen Riley, Andrew R. May, and Michael Dykes
Sussette Irizarry
(Article 1: CEU = 0.1 DS/DW02015348)
(Article 2: CEU = 0.1 WW02015349)
1. Water demand projections for the 2020 through 2040 planning period were based on a historical maximum daily to average daily flow ration of a. 1.05. b. 1.25. c. 1.35. d. 1.45.
1. The 2012 rationale given for recommending conversion from chlorine gas to sodium hypochlorite included a. cost reduction. b. operational simplicity. c. health and safety. d. that existing equipment was unreliable.
2. Which of the following is not listed as a South Grid supply well measure taken to protect wellfields from further water quality decline? a. Acidization b. Increasing spacing between new wells c. Reducing pumping rates d. Plugging off lower zones 3. Which of the following processes reduces sulfides at the Main Street Water Treatment Plant? a. Chlorination b. Spray aeration c. Ozonation d. Chlorine dioxide 4. The JEA is considering _____________ among the water supply options for capacity beyond the Southside Integrated Piping System (SIPS). a. indirect potable reuse b. system pressure reduction c. conservation rates d. potable water aquifer storage and recovery 5. The current total water management plan (TWMP) system was ineffective at distributing water to South Grid areas because a. river-crossing pipelines are undersized. b. south Grid back pressure was too high. c. main Street pumping systems have been out of service. d. north Grid wellfields have exceeded consumptive use permit (CUP) limits.
2. Regulatory requirements for the Central District Wastewater Treatment Plant (CDWWTP) mandate a minimum total residual chlorine of _____ mg/L after 15 minutes contact time. a. 0.5 b. 1 c. 1.5 d. 2 3. The basis of design report assumed a _____ percent sodium hypochlorite (NaOCl) solution. a. 5.5 b. 10.5 c. 12 d. 15 4. The additional fiberglass reinforced plastic tank installed to contain chemical spills is referred to as a ___________ tank. a. redundant b. bulk retention c. scavenger d. recovery 5. The NaOCl yard piping material was high-density polyethylene inserted into ___________ containment piping. a. galvanized b. polyvinyl chloride (PVC) c. ductile iron d. stainless steel
Florida Water Resources Journal • August 2019
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