As discussed in a previous post, the United States Environmental Protection Agency (EPA) proposed a National Primary Drinking Water Regulation to establish maximum contaminant levels for six different PFAS compounds:...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
Pennsylvania’s new “Safe Drinking Water PFAS MCL Rule” became effective on January 14, 2023, upon the publication of the new regulations in the Pennsylvania Bulletin. As discussed in a previous post, this rulemaking...more
On November 17, 2022, the Independent Regulatory Review Commission (“IRRC”) approved the Pennsylvania Environmental Quality Board’s (“EQB”) new safe drinking water maximum contaminant levels (“MCLs”) for perfluorooctanoic...more
On June 15, the United States Environmental Protection Agency (EPA) announced its issuance of lifetime drinking water health advisory levels (HALs) for four per- and polyfluoroalkyl substances (PFAS): perfluorooctanoic acid...more
The federal Safe Drinking Water Act (SDWA) requires that once every five years, the United States Environmental Protection Agency (EPA) publish a list of unregulated contaminants to be monitored by public water systems (PWS)...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
The process to revise regulations in Pennsylvania is often long and involved, and the Pennsylvania Department of Environmental Protection’s (PADEP) revision to its Act 2 Chapter 250 regulations to incorporate cleanup...more