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The U.S. Environmental Protection Agency (EPA) today issued new, more rigorous drinking water health advisories for per- and polyfluoroalkyl substances (PFAS). Two of these levels are drastically more stringent than previous levels and likely mean hundreds, if not thousands, of drinking water systems nationwide will be affected. The agency also announced up to $5 billion in grant funding to help communities prepare and deal with these contaminants. Here is what water sector utilities need to know.
At the July 2021 meeting of the American Association of Plant Food Control Officials (AAPFCO; Arlington, Virginia), the organization recognized a new method to measure water-extractable phosphorus (WEP) for fertilizer products. The results from this method highlight the slower release of phosphate-phosphorus from biosolids-based (and other carbon-based) products. AAPFCO also determined that making labeling claims of slowly available phosphate for carbon-based products was allowable.
To provide further clarification on the virus that causes COVID-19 infections and concerns about how it relates to residuals, sludge, and biosolids for water resource recovery facilities (WRRFs) as well as the wastewater sector at large, this article includes a review of available data related to the virus and surrogates as well as their potential associations with residuals, sludge, and biosolids.