The Classification of Gasoline & Gasoline Fumes as a Carcinogen: Considerations for Corporate Executives & Attorneys
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 2024, the US Environmental Protection Agency (EPA) established maximum contaminant levels (MCL) for six PFAS chemicals in drinking water. That rule set MCLs of 4 parts per trillion (ppt) for perfluorooctanoic acid (PFOA)...more
On June 30, 2025, Delaware legislators unanimously passed regulations that would require water providers in the state to begin testing for per- and polyfluoroalkyl substances (PFAS) next year, one year sooner than federal...more
New research suggests that sewage sludge and wastewater treatment plants are major sources of per- and polyfluoroalkyl substances (PFAS) pollution. Waterkeeper Alliance, in partnership with local Waterkeeper groups and the...more
On June 16, 2025, the U.S. Environmental Protection Agency (EPA) filed a motion with the U.S. Court of Appeals for the Fifth Circuit requesting that litigation over its 2024 final rule regulating chrysotile asbestos under the...more
The Environmental Science & Technology Journal found in a 2025 study that 95% of 23 tested beers brewed across the United States contain varying levels of per- and polyfluoroalkyl substances (PFAS). PFAS are synthetic...more
The White House’s recent release of the Make America Healthy Again (MAHA) Report marks a significant moment in the national conversation around children’s health and environmental exposure. Published on May 22, 2025, by the...more
This week, I discuss with my colleagues, Carla N. Hutton, Senior Regulatory Analyst for B&C, and Dr. Richard E. Engler, Director of Chemistry for B&C and The Acta Group (Acta®), our consulting affiliate, the ever-expanding...more
The Louisiana Department of Environmental Quality (“LDEQ”) issued an April 28th news release announcing the release of the Final Report on the Community Air Monitoring and Notification System Task Force (“Task Force”)....more
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
Tennessee lawmakers are setting a new precedent in chemical regulation, including per- and polyfluoroalkyl substances (PFAS), by signing into law an industry-backed bill that requires the use of the “best science available”...more
Inside EPA is reporting that the Association of State Drinking Water Administrators (ASDWA) and New England Interstate Water Pollution Control Commission (NEIWPCC), among others, are complaining that the U.S. Environmental...more
Insights from decades of intense scrutiny of dioxins and PCBs in the environment, beginning in the 1960s, remain pertinent to our current challenges with PFAS. The lessons learned regarding detection and measurement,...more
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
In a move that signals potential policy shifts under the new administration, the U.S. Court of Appeals for the District of Columbia Circuit granted EPA’s requests for 60-day stays in two high-profile cases challenging...more
Environmental groups are once again urging the Ninth Circuit Court of Appeals to compel the U.S. Environmental Protection Agency (EPA) to expedite its re-evaluation of atrazine, a widely used herbicide with significant...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 Clean Air Council and two other environmental organizations filed a February 11th submission with the United States Environmental Protection Agency (“EPA”) styled: PETITION TO PROHIBIT...more
On January 1, 2025, new regulations governing Proposition 65’s so-called safe-harbor warnings went into effect. Proposition 65 requires businesses that employ 10 or more persons to provide “clear and reasonable” warnings on...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
In the absence of enforceable federal standards for per- and polyfluoroalkyl substances (“PFAS”) in soil, several states have started the process of regulating PFAS in soil themselves. These regulations have implications for...more
On November 14, 2024, the U.S. Environmental Protection Agency (“EPA”) determined that 1,4-dioxane presents an unreasonable risk of injury to human health under its conditions of use....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
Since late 2019, EPA has successfully added certain perfluoroalkyl substances (PFAS) to the toxic release inventory (TRI) list of chemicals subject to reporting under section 313 of the Emergency Planning and Community...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