On April 19, 2024, the U.S. Environmental Protection Agency (EPA) released a pre-publication version of its final rule designating two per and polyfluoroalkyl substances (PFAS) as hazardous substances under § 102(a) of the...more
The U.S. Environmental Protection Agency (EPA) has finalized its proposed rule establishing National Primary Drinking Water Regulation (NPDWR) for certain PFAS compounds. The final rule sets Maximum Contaminant Levels (MCL)...more
On February 8, 2024, the U.S. Environmental Protection Agency (EPA) proposed two rules to expand the Agency’s authority to address releases of per- and polyfluoroalkyl substances (PFAS) and other emerging contaminants at...more
On October 18, 2023, the U.S. Environmental Protection Agency (EPA) released a new final rule that categorized as chemicals of special concern all per- and poly-fluoroalkyl substances (PFAS) that industry must currently...more
On April 13, 2023, the U.S. Environmental Protection Agency (EPA) published in the federal register an Advanced Notice of Proposed Rulemaking (ANPRM) seeking public input to inform its decision whether to designate additional...more
Today the U.S. Environmental Protection Agency (EPA) issued a pre-publication version of its highly anticipated proposed National Primary Drinking Water Regulation (NPDWR) for certain PFAS that, if promulgated as proposed,...more
Today the U.S. Environmental Protection Agency (EPA) released a pre-publication version of its long-awaited proposal to designate perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), including their salts...more
MassDEP proposed groundwater cleanup standards for PFAS significantly lower than the federal health advisory as part of its long-expected proposed revisions to Massachusetts’ regulations governing the assessment and cleanup...more
On February 14, 2019, the U.S. Environmental Protection Agency (EPA) released its much-anticipated PFAS Action Plan. The Plan identifies short and long term actions EPA plans to take regarding per- and polyfluoroalkyl...more
MassDEP is developing a standard methodology for assessing natural resource damages for small to medium oil spills to surface water that will be incorporated into forthcoming regulations, which will require persons...more