PFAS in Focus: Forever-Engineering With Trent Stober, HDR - Reflections on Water Podcast
On-Demand Webinar | Flood or Drought? A Discussion of the Election’s Potential Legislative Impacts on the Water Sector
[WEBINAR] Fairly (or Unfairly?) Traceable: Are Discharges Through Groundwater Subject to the Clean Water Act?
Water Rights with Eric Garner: Prescriptive Rights
Context is Crucial in Examining BLM’s Proposed Rule for Fracking On Federal Land
Maryland has filed suit against W.L. Gore & Associates (Gore), a downstream user of PFAS-containing materials, alleging that its manufacturing processes contributed to PFAS contamination through its use of...more
On January 14, 2025, the EPA released for public comment a risk assessment report evaluating the potential risks associated with land application and land disposal of biosolids containing two types of PFAS, PFOA and PFOS....more
The Environmental Protection Agency’s (EPA) recent rulemakings for per- and polyfluoroalkyl substances (PFAS) have far-reaching implications for a broad range of industries, regulated entities, and regulatory bodies. First,...more
On April 19, 2024, just nine days after finalizing the first-ever national, legally enforceable drinking water standard for six individual per-and polyfluoroalkyl substances (PFAS), the Agency designated PFOA and PFOS, two...more
Last Friday, EPA formally designated perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) – including their salts and structural isomers! – as hazardous substances under CERCLA. I cannot really quarrel with...more
On April 19, 2024, EPA announced its highly anticipated final rule designating two polyfluoroalkyl substances ("PFAS")—perfluorooctanoic acid ("PFOA") and perfluorooctanesulfonic acid ("PFOS")—as "hazardous substances" under...more
On April 19, 2024, the U.S. Environmental Protection Agency (EPA) announced its final rule designating perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), two of the most common and well-known per- and...more
On Friday, April 19, 2024, the U.S. Environmental Protection Agency (EPA) released a pre-publication version of its Final Rule (the Rule) designating two widely used per- and polyfluoroalkyl substances (PFAS) –...more
Yesterday, I spoke with Sarah Mattalian, an Inside EPA reporter writing a story about the suggestion by an EPA official that EPA might require additional PFAS investigations and clean up at properties that had already been...more
During the early stages of the Biden administration, efforts to regulate per- and poly-fluoroalkyl substances, aka “PFAS,” were largely piecemeal and driven by various proposals in Congress. Last month, however, the U.S....more
In the last year, litigation involving per- and polyfluoroalkyl substances (PFAS) has spiked across the nation. To date this litigation has been centered in eastern and mid-western states and the wave of litigation has yet to...more
Federal and state agencies are responding to public pressure to study and regulate per- and polyfluoroalkyl substances (PFAS) in drinking water supplies, and potentially in groundwater. The U.S. Environmental Protection...more
In the latest development in the federal government's efforts to develop a framework for addressing groundwater contaminated with perfluorooctanoic acid (PFOA) and/or perfluorooctane sulfonate (PFOS), the United States...more
On April 25, 2019, The U.S. Environmental Protection Agency (EPA) announced issuance of Draft Interim Recommendations to Address Groundwater Contaminated with Perfluorooctanoic Acid and Perfluorooctane Sulfonate. According to...more
PFAS are currently the subject of significant regulatory action, research, litigation, and public debate based on recent reports which claim that two PFAS, Perfluorooctanoic Acid (“PFOA”) and Perfluorooctane Sulfonate...more
EPA Steps into the Mix While States Continue Swift Action in Light of Potential Health Risks - In a prior posting, we noted the proliferation of state legislative and regulatory activity involving Per- and polyfluoroalkyl...more
This past Valentine’s Day, U.S. Environmental Protection Agency (EPA) Acting Administrator Andrew Wheeler announced EPA’s action plan for regulating per- and polyfluoroalkyl Substances (PFAs), which are a class of synthetic...more
On February 14, 2019, the United States Environmental Protection Agency (“EPA”) published its long-awaited “action plan” intended to address potential risks posed by Per- and Polyfluoroalkyl substances (“PFAS”). PFAS are a...more
If you haven’t heard of per-and polyfluoroalkyl substances (PFAS), you likely will soon. Like DDT, PCBs, asbestos, and MTBE before it, PFAS are a class of chemicals that have been used in a wide variety of commercial and...more
In a busy day for vapor intrusion, last week the U. S. Environmental Protection Agency made several announcements about vapor intrusion. First, it announced it had submitted a draft rule to the White House OMB seeking to...more