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
124 community, environmental, public health, and other organizations jointly transmitted a March 2025 letter to the United States Environmental Protection Agency (“EPA”) Administrator Zeldin asking that the agency: ...more
The U.S. Environmental Protection Agency filed a brief Feb. 7 with the Fifth U.S. Circuit Court of Appeals to uphold its prior rule banning chrysotile asbestos. The rule was issued by the EPA pursuant to relevant provisions...more
The New Jersey Department of Environmental Protection (NJDEP) has amended the Ground Water Quality Standards (GWQS), effective on February 3, 2025. The rule, as adopted, does not differ substantially from the January 2024...more
EPA late last year finalized rules banning use of trichloroethylene (TCE) in the United States and certain consumer uses of perchloroethylene (PCE) under the Toxic Substances Control Act (TSCA). Both chlorinated chemical...more
On April 10, 2024, the United States Environmental Protection Agency (EPA or Agency) promulgated the first-ever national, legally enforceable maximum contaminant levels (MCLs) for six per- and polyfluoroalkyl substances...more
Per- and polyfluoroalkyl substances (PFAS) are a large class of synthetically created organic chemical compounds that have been at the forefront of complex environmental and legal issues in recent years. While many PFAS...more
On January 6, the US Food and Drug Administration (FDA) published in the Federal Register a notice announcing its determination that 35 previously authorized Food Contact Notifications (FCNs) for food contact substances...more
In response to a decision by the U.S. Court of Appeals for the Ninth Circuit finding that the U.S. Environmental Protection Agency's (EPA) updates to its lead paint hazard standards were deficient because they improperly took...more
The White House revealed its latest strategy to address PFAS, and the EPA extended the reporting deadline for its PFAS reporting rule....more
Methylene chloride, also known as dirchloromethane [osha.gov], is a volatile, colorless liquid with a chloroform like odor. Historically, it has been used in various industrial processes, such as pharmaceutical manufacturing,...more
On April 19, 2024, the United States Environmental Protection Agency (EPA) issued a pre-publication final rule and an associated enforcement policy concerning two common types of per-and polyfluoroalkyl substances (PFAS):...more
On April 19, 2024, the U.S. Environmental Protection Agency (USEPA) announced its final rule designating perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) as hazardous substances under Section 102(a) of...more
The U.S. Environmental Protection Agency (EPA) finalized two of the most anticipated environmental regulations related to per- and polyfluoroalkyl substances—known as PFAS—in the past two weeks: listing of PFOA and PFOS as...more
On April 19, the U.S. Environmental Protection Agency (EPA) released a pre-publication version of the long-awaited final rule designating two per- and polyfluoroalkyl substances (PFAS) as “hazardous substances” under the...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 April 10, 2024, the Biden administration set the first-ever national drinking water standards for six per- and polyfluoroalkyl substances (PFAS) in drinking water. PFAS are a large class of thousands of synthetic...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
The United States Environmental Protection Agency (“EPA”) published on February 15th a final rule reaffirming its decision that it remains appropriate and necessary to regulate hazardous air pollutants (“HAP”) from power...more
The United States Environmental Protection Agency (“EPA”) issued a July 24th Federal Register notice promulgating the final rule addressing Clean Air Act National Emission Standards for Hazardous Air Pollutions (“NESHAP”) for...more