On April 8, 2024, the EPA Administrator signed the final rule establishing drinking water standards, also known as MCLs, for six PFAS (PFOA, PFOS, PFNA, GenX (HFPO-DA), PFHxS, and PFBS).
Continue Reading EPA Issues Final MCLs for PFOA, PFOS, PFNA, GenX, PFHxS, and PFBSEPA
Fifth Circuit Vacates EPA’s Orders Regulating PFAS under Significant New Use Rule
By Vanessa Pinto on
The Fifth Circuit issued a decision vacating two EPA orders directing Inhance Technologies (Inhance) to close its barrier technology facilities. As its basis for issuing the orders, EPA had identified…
Continue Reading Fifth Circuit Vacates EPA’s Orders Regulating PFAS under Significant New Use RuleUSEPA Seeks Public Comment on Proposed Information Request to POTWs
By Christopher M. Roe on
USEPA announced today the intention, under Clean Water Act authority, to issue an information request to the largest publicly owned sewage treatment works (POTWs). USEPA seeks public comment on the…
Continue Reading USEPA Seeks Public Comment on Proposed Information Request to POTWsEPA Proposes to List Nine PFAS as RCRA Hazardous Constituents
By Karen H. Davis on
On February 8, 2024, EPA published a proposed rule to list nine PFAS, their salts and their structural isomers, as hazardous constituents under RCRA regulations. If the proposed rule is…
Continue Reading EPA Proposes to List Nine PFAS as RCRA Hazardous ConstituentsRecent Progress Report Issued by EPA Foreshadows Landmark Year for Federal Regulation of PFAS
By Aaron Mapes on
Soon after the Biden Administration took office, the United States Environmental Protection Agency (“EPA”) issued a Strategic Roadmap highlighting the many ways it planned to “research, restrict, and remediate” per-and…
Continue Reading Recent Progress Report Issued by EPA Foreshadows Landmark Year for Federal Regulation of PFASEPA Finalizes Rule Removing De Minimis Exemptions, Subjecting Companies to Enhanced PFAS Reporting and Notification Requirements
By Collin Crecco on
We reported earlier this year that the Environmental Protection Agency’s (EPA) proposed rule would require stricter (1) reporting of perfluoroalkyl and polyfluoroalkyl substances (PFAS) to the Toxics Release Inventory (TRI)…
Continue Reading EPA Finalizes Rule Removing De Minimis Exemptions, Subjecting Companies to Enhanced PFAS Reporting and Notification RequirementsUpdate on U.S. EPA’s Proposed Rule to Designate PFOA and PFOS as Hazardous Substances Under CERCLA
By Aaron Mapes & Robert J. Schena on
We have been closely monitoring the progress of the United States Environmental Protection Agency (“EPA”) proposed rule to designate perfluorooctanic acid (“PFOA”) and perfluorooctane sulfonic acid (“PFOS”), two per- and…
Continue Reading Update on U.S. EPA’s Proposed Rule to Designate PFOA and PFOS as Hazardous Substances Under CERCLAEPA Unveils its First-Round UCMR 5 PFAS Sampling Data
By Collin Crecco on
As previously reported, the U.S. Environmental Protection Agency (EPA) published its most recent list of unregulated constituents to be monitored by public water systems (PWSs)—the fifth Unregulated Contaminant Monitoring…
Continue Reading EPA Unveils its First-Round UCMR 5 PFAS Sampling DataPFAS Among EPA’s Enforcement Initiatives
By Karen H. Davis on
On August 17, 2023, EPA’s Office of Enforcement and Compliance Assurance (OECA) released its National Enforcement and Compliance Initiatives (NECI) for FY 2024-2027, which include addressing exposure to PFAS as…
Continue Reading PFAS Among EPA’s Enforcement InitiativesEPA Revises Schedule for Anticipated CERCLA PFOA and PFOS Hazardous Substance Designation
By Robert J. Schena on
In September 2022, the United States Environmental Protection Agency (“EPA”) proposed to designate perfluorooctanoic acid (“PFOA”) and perfluorooctanesulfonic acid (“PFOS”), including their salts and structural isomers, as hazardous substances…
Continue Reading EPA Revises Schedule for Anticipated CERCLA PFOA and PFOS Hazardous Substance Designation