It has now been over a year since PFOA and PFOS – two types of PFAS – were designated as hazardous substances under CERCLA, the federal Superfund law. Among
Continue Reading A Year Later, How is PFAS Being Addressed in Phase I ESAs?Aaron Mapes
Observations Regarding EPA’s Recently Announced PFAS Plans
By Aaron Mapes on
EPA Administrator Lee Zeldin recently issued a press release that “Announces Major EPA Actions to Combat PFAS Contamination.” As we generally expected, the announcement did not include plans to…
Continue Reading Observations Regarding EPA’s Recently Announced PFAS PlansReading Tea Leaves Regarding EPA’s PFAS Agenda Under Administrator Zeldin
By Aaron Mapes on
One month into the tenure of new EPA administrator Lee Zeldin, EPA’s initiatives regarding PFAS remain unclear. A read of the tea leaves from Zeldin’s confirmation hearing and the…
Continue Reading Reading Tea Leaves Regarding EPA’s PFAS Agenda Under Administrator ZeldinPENNVEST Awards $28M of PFAS Funding, Bringing Total to $95M
By Aaron Mapes on
PENNVEST Awards $28M of PFAS Funding, Bringing Total to $95M
On January 22, 2025, the Pennsylvania Infrastructure Investment Authority (PENNVEST) announced funding awards totaling $288.2M for 39 drinking water…
Continue Reading PENNVEST Awards $28M of PFAS Funding, Bringing Total to $95MPFOA and PFOS Are Now CERCLA Hazardous Substances
By Aaron Mapes & Karen H. Davis on
As we have previously reported here and here, EPA has designated perfluorooctanoic acid (“PFOA”) and perfluorooctanesulfonic acid (“PFOS”) as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability…
Continue Reading PFOA and PFOS Are Now CERCLA Hazardous SubstancesFederal Drinking Water Standards for PFAS Will Influence Groundwater Remediation Standards
By Aaron Mapes & Collin Crecco on
As discussed in a previous post, EPA recently issued a final rule establishing drinking water standards, known as maximum contaminant levels (MCLs), for six per- and polyfluoroalkyl substances (PFAS). …
Continue Reading Federal Drinking Water Standards for PFAS Will Influence Groundwater Remediation StandardsRecent 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 PFASUpdate 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 CERCLA