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- Per- and Polyfluoroalkyl Substances (PFAS) | US EPA
Basic information about PFOA, PFOS and other PFAS PFCs; how people are exposed; health effects; laws and regs that apply; and what EPA and states are doing to reduce exposures
- Información básica sobre PFAS - US EPA
Información básica sobre perfluoroalquiladas y polifluoroalquiladas (PFAS, por sus siglas en inglés)
- Per- and Polyfluoroalkyl Substances (PFAS) | US EPA
1 Compliance with MCLs is determined by running annual averages at the sampling point The final rule requires: Public water systems must monitor for these PFAS and have three years to complete initial monitoring (by 2027), followed by ongoing compliance monitoring Water systems must also provide the public with information on the levels of these PFAS in their drinking water beginning in 2027
- Our Current Understanding of the Human Health and Environmental Risks . . .
Per- and Polyfluoroalkyl Substances (PFAS) Are a Group of Manufactured Chemicals PFAS are a group of manufactured chemicals that have been used in industry and consumer products since the 1940s because of their useful properties There are thousands of different PFAS, some of which have been more widely used and studied than others Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonate
- PFAS Explained - U. S. Environmental Protection Agency
Stain- or water-repellent, or Grease-resistant paper, Fertilizer from wastewater Fish caught from water non-stick products, paints, microwave popcorn bags, treatment plants used on contaminated by PFAS and sealants, and some pizza boxes, and candy agricultural lands can affect dairy products from personal care products wrappers ground and surface water livestock exposed to PFAS
- Interactive Map: PFAS Contamination Crisis: New Data Show 9,323 Sites . . .
Mapping the PFAS contamination crisis: New data show 9,323 sites with PFAS in 50 states, the District of Columbia and four territories Update: June 12, 2025: The Environmental Protection Agency has released the sixth round of public water system testing data for the toxic fluorinated “ forever chemicals ” known as PFAS The agency’s Fifth Unregulated Contaminant Monitoring Rule, or UCMR
- Chemicals: Perfluoroalkyl and Polyfluoroalkyl (PFAS) Substances
What are PFAS?Perfluoroalkyl and polyfluoroalkyl substances, or PFAS, are a group of chemicals made by humans Since the 1950s, PFAS have been used in many consumer products and industrial processes They have properties that resist heat, grease, and water There are thousands of types of PFAS The most common types are PFOA (perfluorooctanoic acid) and PFOS (perfluorooctanoic sulfonic acid
- What are PFASs, the toxic chemicals being found in drinking water? - PBS
Six million Americans are exposed to hazardous levels of PFAS chemicals due pollution from military and industrial sites, according to a new study from Harvard University
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