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
DynCorp's 'Strategic' Defense In Drug Crop Spraying Suit
In the latest edition of the PFAS Primer Quarterly Update, our roundup of regulatory, litigation, and scientific actions involving PFAS, the EPA announces drinking-water regulations, states continue to fight firefighting...more
Per- and polyfluoroalkyl substances (PFAS) have become a focal point of regulatory scrutiny nationwide due to their persistent environmental presence and potential health risks. For businesses, navigating the evolving...more
With the U.S. Environmental Protection Agency’s (EPA) recent announcement of final maximum contaminant levels for various per- and polyfluoroalkyl substances (PFAS), public water systems (PWSs) are determining what actions...more
U.S. Environmental Protection Agency (“EPA”) has designated PFOA and PFOS as "Hazardous Substances" under CERCLA, marking the agency's first use of Section 102(a) authority and signaling potential widespread industry impact...more
EPA’s listing of two “forever Chemicals” as CERCLA hazardous substances will re-open sites that companies had thought were closed. And every user of a product that contained them may become responsible for a share of the...more
On April 19, 2024, the U.S. Environmental Protection Agency (EPA) announced that it was designating two common per- and polyfluoroalkyl substances (PFAS) as hazardous substances under the Comprehensive Environmental Response,...more
The United States Environmental Protection Agency ("EPA") on April 10, 2024 issued the first-ever federal regulatory limits on per- and polyfluoroalkyl substances (PFAS) in drinking water. The EPA's PFAS drinking water...more
In 2021, the U.S. Environmental Protection Agency (EPA) introduced the "PFAS Strategic Roadmap," which established a "whole agency" approach to addressing per- and polyfluoroalkyl substances (PFAS). As part of its strategy,...more
On April 10, 2024, the U.S. Environmental Protection Agency (EPA) announced its final National Primary Drinking Water Regulation (NPDWR) for six per- and polyfluoroalkyl substances (PFAS). This regulation represents a key...more
On February 8, 2024, the Environmental Protection Agency (EPA) published two proposed rules that would expand its regulatory authority over PFAS: one to list nine PFAS as hazardous constituents subject to the Resource...more
The proposed rules would expand the RCRA Corrective Action regime to PFAS and potentially other emerging contaminants. They may complicate ongoing compliance efforts as well as lead to significant value chain impacts....more
On February 8, 2024, the Environmental Protection Agency ("EPA") proposed two regulations that would add nine per- and polyfluoroalkyl substances ("PFAS") to the list of Resource Conservation and Recovery Act ("RCRA")...more
On January 31, 2024, the U.S. Environmental Protection Agency (EPA) announced that it is proposing to list nine per- and polyfluoroalkyl substances (PFAS) as hazardous constituents under the Resource Conservation and Recovery...more
The new year will be a busy one for federal and state per- and polyfluorinated alkyl substances (PFAS) regulations. There are a number of new federal rulemakings, including those under the Comprehensive Environmental...more
Last week, Inside EPA (subscription required) reported that EPA will reopen CERCLA cleanups due to the presence of PFAS on a case-by-case basis. The article reported on the gnashing of teeth among the regulated community at...more
In October 2023, the United States Environmental Protection Agency (EPA) finalized two separate but analogous rulemakings – one under the Toxic Substances Control Act (TSCA), and one under the Emergency Planning and Community...more
Clark McWilliams, P.E., MSc. undertook a presentation at the Arkansas Environmental Federation Convention titled: Per – and Polyfluoroalkyl Substances – What/Where/How to Manage How many “rabbit holes” can you jump down?...more
Composting has long been viewed as an important tool for sustainability with benefits for the environment as it has reduced the amount of waste incinerated or sent to landfills. Since the 1920s, municipal biosolids, or...more
Last month, the U.S. Environmental Protection Agency (EPA) published new proposed rules under the Safe Drinking Water Act that will severely limit the levels of certain substances of a man-made family of chemicals,...more
Massachusetts State Representative Kate Hogan seems to make a lot of sense when she says, about the continued widespread use of the "forever chemicals" known as PFAS, that "if we don't prevent it, all we're doing is...more
On August 12, 2022, the Office of Management and Budget (OMB) completed its review of U.S. EPA’s proposed rule to designate perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) as CERCLA hazardous...more
On October 18, 2021, EPA announced EPA’s PFAS Strategic Roadmap (“Roadmap”) which outlines EPA’s comprehensive agency wide approach for addressing PFAS. The Roadmap contains timelines for EPA to take actions to address PFAS....more
The U.S. Environmental Protection Agency (EPA) announced new interim lifetime drinking water health advisories for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS), as well as final health advisories for...more
On June 15, 2022, the U.S Environmental Protection Agency (EPA) announced new health advisories for four per- and polyfluoroalkyl substances (PFAS). The health advisories significantly lowered the level considered safe to...more
Per- and polyfluoralkyl substances (PFAS) are everywhere. PFAS are a large group of chemicals that have been in use by a variety of industries since the 1940s for their ability to resist heat, oil, stains, grease, and water....more