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AWWA WKICO66058
- Use of the SafeGuard to Regulate Chemical Dosage for Mitigation of Arsenic Levels in a Water Treatment Plant
- Conference Proceeding by American Water Works Association, 01/01/2008
- Publisher: AWWA
$12.00$24.00
This powerpoint presentation begins by providing background information on the new arsenic maximum contaminant level (MCL) passed by the U.S. Environmental Protection Agency (USEPA) on January 23, 2006. The impact on the city of Scottsdale is presented for two different areas that include: the Central Arizona Project (CAP) - Colorado River, wherethe water is transported through the CAP canal to theCAP Water Treatment Plant; and, the Salt River Project (SRP) - Salt and Verde Rivers wherethe water is transported through the Arizona canal to theChaparral Water Treatment Plant (CWTP). A brief overview of the CWTP is provided, along with arsenic treatment and optimization at the the plant, the traditional approach for arsenic treatment by theCity of Scottsdale Water Quality Laboratory, and new arsenic monitoring technologies. The arsenic test strip, the fully automated arsenic analyzer "SafeGuard", Anodic Stripping Voltametry (ASV), an evaluation of SafeGuard, and Optimizing Chemical Feed atChaparral Water Treatment Plant are all presented. Includes tables, figures.
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