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  2. More than 600 water systems reported PFAS above new EPA ... - AOL

    www.aol.com/more-600-water-systems-reported...

    Collectively, the EPA estimates it will cost $1.5 billion per year for America’s 66,000 public drinking water systems to monitor their water for PFAS, inform customers of the results and find ...

  3. Timeline of events related to per- and polyfluoroalkyl substances

    en.wikipedia.org/wiki/Timeline_of_events_related...

    The timeline focuses on some perfluorinated compounds, particularly perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) [1] and on the companies that manufactured and marketed them, mainly DuPont and 3M. [2] An example of PFAS is the fluorinated polymer polytetrafluoroethylene (PTFE), which has been produced and marketed by ...

  4. North Bay (San Francisco Bay Area) - Wikipedia

    en.wikipedia.org/wiki/North_Bay_(San_Francisco...

    The North Bay is a subregion of the San Francisco Bay Area, in California, United States. The largest city is Santa Rosa , which is the fifth-largest city in the Bay Area. It is the location of the Napa and Sonoma wine regions , and is the least populous and least urbanized part of the Bay Area.

  5. Per- and polyfluoroalkyl substances - Wikipedia

    en.wikipedia.org/wiki/Per-_and_polyfluoroalkyl...

    C 4 F 9 SO 2 NH 2: 299.12 30334-69-1 Perfluoropentanesulfonamide: PFPSA C 5 F 11 SO 2 NH 2: 349.12 82765-76-2 Perfluorohexanesulfonamide: PFHxSA C 6 F 13 SO 2 NH 2: 399.13 41997-13-1 Perfluoroheptanesulfonamide: PFHpSA C 7 F 15 SO 2 NH 2: 449.14 82765-77-3 Perfluorooctanesulfonamide: PFOSA C 8 F 17 SO 2 NH 2: 499.14 754-91-6 ...

  6. 3M contamination of Minnesota groundwater - Wikipedia

    en.wikipedia.org/wiki/3M_Contamination_of...

    Since then, 3M has continued to use PFAs in a variety of products, with Scotchgard being the most well known and commercially lucrative. [4] Until the early 2000s, waste from the production of PFAs was dumped at four sites in Minnesota, the Washington County Landfill, the 3M Cottage Grove Chemolite Site, the 3M Woodbury site, and the 3M Oakdale ...

  7. List of cities and towns in the San Francisco Bay Area

    en.wikipedia.org/wiki/List_of_cities_and_towns...

    San Francisco Bay Area. The San Francisco Bay Area, commonly known as the Bay Area, is a metropolitan region surrounding the San Francisco Bay estuaries in Northern California. According to the 2010 United States Census, the region has over 7.1 million inhabitants and approximately 6,900 square miles (18,000 km 2) of land. [1]

  8. Perfluorobutanesulfonic acid - Wikipedia

    en.wikipedia.org/wiki/Perfluorobutanesulfonic_acid

    Perfluorobutanesulfonic acid (PFBS) is a PFAS chemical compound having a four-carbon fluorocarbon chain and a sulfonic acid functional group. It is stable and unreactive because of the strength of carbon–fluorine bonds. It can occur in the form of a colorless liquid or a corrosive solid. [1]

  9. San Francisco Bay Area - Wikipedia

    en.wikipedia.org/wiki/San_Francisco_Bay_Area

    Among locals, the nine-county Bay Area is divided into five sub-regions: the East Bay, North Bay, Peninsula, city of San Francisco, and South Bay. The " East Bay " is the densest region of the Bay Area outside of San Francisco and includes cities and towns in Alameda and Contra Costa counties centered around Oakland .