On January 15, 2025, the United States Environmental Protection Agency (EPA) released a Draft “Sewage Sludge Risk Assessment for Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonic Acid (PFOS)” for public comment. EPA...more
The Pennsylvania Department of Environmental Protection (“PADEP”) published guidance regarding registering and permitting storage tanks that contain perfluorooctanoic acid (“PFOA”), perfluorooctanesulfonic acid (“PFOS”). This...more
On March 12, 2024, the Pennsylvania Environmental Quality Board (EQB) approved the Pennsylvania Department of Environmental Protection’s (PADEP) proposal to amend the Land Recycling and Remediation Standards Act regulations...more
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...more
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
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 April 13, 2023, the United States Environmental Protection Agency (“EPA”) published an Advanced Notice of Proposed Rulemaking (“ANPRM”) in the Federal Register that requested comments on whether EPA should consider...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
As part of its “PFAS Strategic Roadmap,” EPA has stated that it intends to designate PFOA and PFOS as “hazardous substances” under the Comprehensive Environmental Responses, Compensation, and Liability Act (CERCLA). EPA took...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
On March 3, 2022, the U.S. Environmental Protection Agency (“EPA”) released its 2020 Toxics Release Inventory (“TRI”) National Analysis report. EPA’s report analyzes the most recent Toxic Release Inventory (“TRI”) data and...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
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
On March 24, 2021, the Pennsylvania Department of Environmental Protection (PADEP) announced that it issued an National Pollutant Discharge Elimination System (NPDES) permit to the Biddle Air National Guard Base (ANGB)...more
We’ve discussed in our previous posts the process that EPA will likely use to designate PFOA and PFOS as “hazardous substances,” how that designation will impact responsible parties, and what effects it may have on current...more
In two of our previous posts, we discussed the United States Environmental Protection Agency’s (EPA) “Hazardous Substance” Designation Process and the Implications of a Designation on Responsible Parties. Here, in this post,...more
For the past several years, much attention has been focused on the United States Environmental Protection Agency’s (EPA) legal authority to respond to PFAS contamination. When EPA published its PFAS Action Plan in February...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