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...more
On March 14, 2023, the United States Environmental Protection Agency (EPA) announced the proposed National Primary Drinking Water Regulation (NPDWR) for six PFAS. The public comment period will be open for sixty (60) days...more
On September 6, 2022, the United States Environmental Protection Agency (EPA) published in the Federal Register its proposal to designate perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), including their...more
New Pennsylvania Department of Environmental of Protection (“PADEP”) regulations that include new cleanup standards for three per- and polyfluoroalkyl substances (PFAS) were published in the Pennsylvania Bulletin on...more
This past August, EPA published Draft Method 1633 – Analysis of Per- and Polyfluoroalkyl Substances (“PFAS”) in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS. Once, finalized, this single laboratory validated...more
On September 23, 2021, the Pennsylvania Independent Regulatory Review Commission (IRRC) approved a final form rulemaking that revises the Pennsylvania Department of Environmental Protection’s (PADEP) regulations that...more
As we’ve discussed in prior posts, per- and polyfluoroalkyl substances (PFAS) have historically been an important component of aqueous film forming foam (AFFF) products that are used for training and fire suppression. As...more
In response to the COVID-19 emergency, and consistent with Gov. Tom Wolf’s Proclamation of Disaster Emergency of March 6, 2020, the Pennsylvania Department of Environmental Protection (PADEP) has developed guidance for those...more