As previously reported, The Chemours Company FC, LLC (“Chemours”) challenged the United States Environmental Protection Agency (“EPA”)’s Health Advisory Level (“HAL”) of 10 ppt for HFPO Dimer Acid, a.k.a.
Continue Reading Briefing Complete in Chemours’s Challenge to EPA’s GenX Health Advisory LevelUSGS Studies PFAS in Tap Water
As part of the PFAS Strategic Science Vision for the U.S. Geological Survey (“USGS”) and consistent with the National Defense Authorization Act for Fiscal Year 2020, which identified activities related
Continue Reading USGS Studies PFAS in Tap WaterEPA Receives Thousands of Comments On its Proposed PFAS Maximum Contaminant Levels
As discussed in a previous post, the United States Environmental Protection Agency (EPA) proposed a National Primary Drinking Water Regulation to establish maximum contaminant levels for six different PFAS
Continue Reading EPA Receives Thousands of Comments On its Proposed PFAS Maximum Contaminant LevelsBriefing Continues in Chemours’s Challenge to EPA’s GenX Health Advisory Level
As previously reported, The Chemours Company FC, LLC (“Chemours”) filed a Petition for Review with the Third Circuit U.S. Court of Appeals challenging the United States Environmental Protection Agency
Continue Reading Briefing Continues in Chemours’s Challenge to EPA’s GenX Health Advisory LevelEPA Receives Extensive Comments on its Proposed PFAS MCLs
On May 30, 2023, the comment period closed on EPA’s proposed maximum contaminant levels (“MCLs”) for six PFAS at which time EPA had received 97,793 comments. Under the proposed
Continue Reading EPA Receives Extensive Comments on its Proposed PFAS MCLsPFAS State Survey – Standards and Guidance Values for PFAS in Groundwater, Drinking Water and Surface Water
Note: This is a graphical representation of an Interstate Technology Regulatory Council (“ITRC”) Guidance Document as of March 2023.
These values are changing rapidly. The ITRC intends to update this
Pennsylvania’s PFOA and PFOS Maximum Contaminant Level Rule is Now Final and Effective
Pennsylvania’s new “Safe Drinking Water PFAS MCL Rule” became effective on January 14, 2023, upon the publication of the new regulations in the Pennsylvania Bulletin. As discussed in a
Continue Reading Pennsylvania’s PFOA and PFOS Maximum Contaminant Level Rule is Now Final and EffectiveMichigan Court Rules State PFAS Drinking Water Regulations Lacked Adequate Consideration of Costs, with Implications for Challenges to Federal PFAS Rulemakings
On November 15, 2022, in response to a challenge by 3M, the Michigan Court of Claims invalidated the drinking water MCLs and attendant groundwater standards for several PFAS substances, including
Continue Reading Michigan Court Rules State PFAS Drinking Water Regulations Lacked Adequate Consideration of Costs, with Implications for Challenges to Federal PFAS RulemakingsChemours Appeals EPA’s GenX Health Advisory Level
On July 13, 2022, The Chemours Company FC, LLC (“Chemours”) filed a Petition for Review with the Third Circuit U.S. Court of Appeals challenging the United States Environmental Protection Agency
Continue Reading Chemours Appeals EPA’s GenX Health Advisory LevelEPA Announces Funding for Disadvantaged Communities to Address PFAS in Drinking Water, Synthesizing Approaches to PFAS and Environmental Justice
Alongside USEPA’s recent issuance of new Health Advisory Levels, or HALs, for certain PFAS chemicals (namely, PFOA, PFOS, PFBS, and GenX), the Agency also announced that, as part of
Continue Reading EPA Announces Funding for Disadvantaged Communities to Address PFAS in Drinking Water, Synthesizing Approaches to PFAS and Environmental Justice