• AWWA JAW28466
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AWWA JAW28466

  • Journal AWWA - Contaminants in Polyelectrolytes Used in Water Treatment
  • Journal Article by American Water Works Association, 11/01/1990
  • Publisher: AWWA

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For approximately 30 years, the US Public Health Service and the US Environmental Protection Agency (USEPA) offered advisory opinions on the potential health effects of polyelectrolyte coagulant products used in drinking water treatment. In April 1990, the USEPA transferred this responsibility to a consortium of organizations led by the National Sanitation Foundation. Although more than 1,000 polyelectrolyte products were accepted for use by the USEPA, evidence suggests that probably fewer than 10 to 15 different types of polymer compounds are represented. Contaminants such as epichlorohydrin and acrylamide, which are of significant health concern, are associated with these product formulations. Tables list the polymers accepted for use in drinking water treatment and clarify nomenclature. Contaminants that may be found in polyelectrolyte products are listed, as is an analysis of the impurities in a polyacrylamide product. A number of specific polymers are discussed. Includes 68 references, tables, figures.

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