U.S. EPA Contaminated Site Cleanup Information (CLU-IN)

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U.S. EPA, Washington, DC. EPA 823-R-18-004, 72 pp, 2019

Per- and polyfluoroalkyl substances (PFASs), a group of synthetic chemicals that have been in use since the 1940s, are found in a wide array of consumer and industrial products. Evidence indicates that continued exposure above specific levels to certain PFASs may lead to adverse health effects. This Action Plan describes EPA's approach to identifying and understanding PFASs, approaches to addressing current PFAS contamination, preventing future contamination, and effectively communicating with the public about PFASs. The Action Plan describes broad actions underway to address challenges with PFASs in the environment, including next steps on four PFAS management actions: (1) initiating steps to evaluate the need for an MCL for PFOA and PFOS; (2) beginning the necessary steps to propose designating PFOA and PFOS as "hazardous substances" through one of the available federal statutory mechanisms; (d) developing groundwater cleanup recommendations for PFOA and PFOS at contaminated sites; and (4) developing toxicity values or oral RfDs for GenX chemicals and perfluorobutane sulfonic acid (PFBS). In addition to these actions, EPA's PFAS Action Plan identifies other short- and long-term actions currently being implemented to understand and address PFASs.

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