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 PFOA (8 parts per trillion,...more
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 the Biden Administration’s...more
The US Environmental Protection Agency (USEPA) has made available a collection of National PFAS Datasets, which collects a variety of PFAS data from different state and federal sources on one convenient webpage. ...more
The Pennsylvania Department of Environmental Protection (PA DEP) has opened up a public comment process on its proposed regulations to set maximum contaminant levels (MCLs) for two PFAS substances, PFOA and PFOS, in drinking...more
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...more
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 draft...more
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 Water Act, EPA is...more
3/18/2021
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