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 Rulemakings

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

On November 16, the Pennsylvania Environmental Quality Board (“EQB”) voted to approve the Pennsylvania Department of Environmental Protection’s (“PADEP”) proposed rule to set binding regulatory standards, known as maximum contaminant
Continue Reading Pennsylvania EQB Approves PFOA and PFOS Limits in Drinking Water

At its July 29, 2021 meeting, the Pennsylvania Department of Environmental Protection (“Department”)’s Public Water System Technical Assistance Center (TAC) Board voted to recommend that the Department proceed with a
Continue Reading Pennsylvania Moves One Step Closer to Issuance of Drinking Water Standards for PFOA and PFOS

In the March 3, 2021 Federal Register, EPA issued its final regulatory determinations for substances on the fourth Drinking Water Contaminant Candidate List (“CCL 4”). Under the federal Safe Drinking
Continue Reading EPA Takes Two More Steps Down the Long and Winding Road to National Primary Drinking Water Regulations for PFAS