The ESG Report – Cally Edgren on Forever Chemicals
State AG Pulse | AGs to Forever Chemicals Cos: We Want More Money and We Want It Now
PFAS in Focus: Forever-Engineering With Trent Stober, HDR - Reflections on Water Podcast
PFAS in Focus: Wastewater Utility Perspectives From Jay Hoskins, Metropolitan St. Louis Sewer District - Reflections on Water Podcast
PFAS in Focus: Show-Me Insights From Chris Wieberg, Missouri Department of Natural Resources - Reflections on Water Podcast
[Podcast] Catching Up on Canadian Environmental Regulation
PFAS: Increasing Regulations and Managing Legal Liability
PFAS Regulatory Update: EPA Issues Updated Drinking Water Health Advisories
Drinking Water on Tap: Money, Morality, and More with Tracy Mehan from the American Water Works Association - Reflections on Water Podcast
EPA Plan Changes PFAS Outlook For Companies, Regulators
2BInformed: Understanding the EPA’s New PFAS Strategic Roadmap and Upcoming PBT Regulations
2BInformed: Overview of PFAS and Related EPA Regulations; EPA’s New Chemical Program Under Amended TSCA
Starting 2BInformed: The Inaugural Episode of the Podcast Series, ‘2BInformed,’ with Baptist and Bertrand
The Great Green North: A Discussion on Canada’s Environmental Regulations
Forever Chemicals: What They are and What is being Done to Minimize Their Impact
What are PFAS and Why Should We Care?
On April 28, 2025, the U.S. Environmental Protection Agency (EPA) announced "major EPA actions to combat PFAS contamination." EPA Administrator Lee Zeldin said that he has "long been concerned about PFAS and the efforts to...more
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
The United States Environmental Protection Agency (“EPA”) has extended the public comment period for the Draft Sewage Sludge Risk Assessment for Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonic Acid (PFOS) (“Draft...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
In the absence of federal cleanup standards for per- and polyfluoroalkyl substances (“PFAS”) in groundwater, several states have started the process of regulating PFAS in groundwater themselves. As a result, states have...more
“Contaminants Compass” is a monthly newsletter that provides updates, legal observations and actionable tips to navigate the evolving legal challenges of per- and polyfluoroalkyl substances (PFAS). This edition discusses how...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
On 7 March 2024, the Illinois Pollution Control Board (Board) proposed amendments to its Ground Water Quality regulations, which would set standards for selected per- and polyfluoroalkyl substances (PFAS) compounds at or near...more
Recent peer reviewed studies have explored the potential for some per-and polyfluoroalkyl substances (PFAS) to volatilize from groundwater and soil and enter indoor air via the vapor intrusion (VI) pathway. This research is...more
On November 29, Ohio Attorney General (AG) Dave Yost and Governor Mark DeWine announced a proposed $110 million settlement with Du Pont De Nemours and Co. and The Chemours Company over alleged chemical contamination from...more
In the absence of federal cleanup standards for per- and polyfluoroalkyl substances (“PFAS”) in groundwater, numerous states have started the process of regulating PFAS in groundwater themselves. As a result, states have...more
On March 14, 2023, EPA proposed to regulate certain PFAS under the Safe Drinking Water Act. EPA proposed Maximum Contaminant Level Goals for PFOA and PFOS of zero. It proposed Maximum Contaminant Levels for PFOA and PFOS of...more
Aqueous film forming foam (AFFF) that contain PFAS was, and in some cases still is, an effective tool for fighting fires used by the military and local firefighters to contain and control fuel-fed fires....more
In mid-December 2022, the Washington Department of Ecology (Ecology) released Draft Guidance for Investigating and Remediating PFAS Contamination in Washington State. The Draft Guidance would apply to independent...more
HDR Utility Services Director Trent Stober joins Dave and Anna to close out their PFAS miniseries, focusing on the real-world application of regulatory developments in the water sector. Trent provides perspective on how...more
Early results show that using bioremediation to break down “forever chemicals” is working at an airport around Madison, Wisconsin. At the Dane County Regional Airport, scientists are introducing microbes into the groundwater...more
Almost two years ago, we posted on the civil settlement of a dispute between the New Mexico Environment Department (NMED) and the U.S. Department of Defense (DoD) over a state-level enforcement action against Cannon Air Force...more