EPA and DuPont Stipulate to Dismiss a Third-Circuit-Appeal Following EPA Releasing DuPont From Test Order Requirements

Counsel for the EPA and DuPont submitted a joint stipulation of dismissal for an appeal filed in the Third Circuit involving an EPA Test Order that previously required DuPont to comply with testing deadlines and other requirements for 6:2 FTSB and HFPO – different types of PFAS chemicals. The EPA released DuPont from the testing…

Verification Analysis for PFAS in Pesticide Products

A memorandum promulgated by U.S. EPA reports that the Analytical Chemistry Branch (ACB) of the Office of Pesticide Programs, Biological and Economic Analysis Division (BEAD) did not detect PFAS in the 10 tested pesticide products when it based its analysis on a newly developed methodology targeted towards eliminating false positive detections.  May 18, 2023 |…

South Carolina Federal Court Denies DuPont’s and Other Companies’ Motion for Summary Judgement Seeking to Limit Liability in PFAS-Related MDL Case

The U.S. District Court in South Carolina denied DuPont’s and other companies’ motion for summary judgment seeking to limit their liability in a multi-district litigation case involving alleged PFAS contamination in aqueous film-forming foams (“AFFF”). Despite arguments to the contrary, the Court concluded that the claim against the defendants contained at least one question that…

Study by Harvard Researchers Says PFAS Precursors Could Contaminate Military Sites for Decades

A study by a team of Harvard University researchers says current approaches to cleaning up contamination from PFAS-based firefighting foam, known as aqueous-film forming foam (AFFF), at Defense Department (DOD) sites fail to target precursor chemicals that could continue to produce regulated PFAS for centuries, adding to questions about the pace of DOD’s efforts. “The…

Substantial defluorination of polychlorofluorocarboxylic acids triggered by anaerobic microbial hydrolytic dechlorination

This study identifies two types of naturally occurring bacteria found in soil that breakdown a PFAS subgroup that contains one or more chlorine atoms. May 15, 2023 | Nature Water