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
On August 13, 2025, the U.S. Environmental Protection Agency (EPA) announced the relaunch of EPA’s Guidance Portal, “a streamlined website for accessing important guidance documents related to air quality, water protection,...more
EPA’s controversial “Once in, always in, Rule” (Once in Rule) was recently rescinded under the Congressional Review Act, a statute which gives Congress the authority to overturn agency rules if such action is taken within...more
Is the Once in, Always in Policy Finally Dead? EPA’s controversial “Once in, always in, Rule” (Once in Rule) was recently rescinded under the Congressional Review Act, a statute which gives Congress the authority to...more
The Environmental Protection Agency announced July 18 it would continue workforce reductions through the elimination of its Office of Research and Development, which provides the independent scientific research that underpins...more
This proclamation addresses the EPA’s April 5, 2024 final rule, National Emission Standards for Hazardous Air Pollutants: Ethylene Oxide Emissions Standards for Sterilization Facilities Residual Risk and Technology Review, 89...more
As reported in our May 14, 2025, blog item, on May 12, 2025, the U.S. Environmental Protection Agency (EPA) denied a petition filed under Section 21 of the Toxic Substances Control Act (TSCA) seeking to prohibit the use of...more
The U.S. Environmental Protection Agency (EPA) has officially extended key compliance deadlines for air toxics standards affecting steel-sector coke oven operations, reflecting industry concerns about the feasibility of...more
On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more
On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024. These...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
The U.S. Environmental Protection Agency (EPA) on Monday banned two solvents found in everyday products that can cause cancer and other serious diseases. It was a move long sought by environmental and health advocates, even...more
The United States Environmental Protection Agency (“EPA”) has issued an October 9th Order denying a Petition objecting to the issuance of a Clean Air Act Title V operating permit (“Permit”) for the Warrick Newco LLC...more
In the latest edition of the PFAS Primer Quarterly Update, our roundup of regulatory, litigation, and scientific actions involving PFAS, the EPA delays PFAS reporting, a compostable case won’t degrade, and Illinois keeps an...more
Three states—North Carolina, New Mexico and New Jersey—are calling on the Environmental Protection Agency (EPA) to regulate certain per- and polyfluoroalkyl substances (PFAS) as hazardous air pollutants. The states seek to...more
The United States Environmental Protection Agency (“EPA”) has issued a report titled: Our Nation’s Air: Trends Through 2023 (“Report”). The purpose of the annual Report is to track trends in air quality and emissions...more
The United States Environmental Protection Agency (“EPA”) issued a pre-publication version of a proposed rule that would remove affirmative defense provisions from certain Clean Air Act New Source Performance Standards...more
Welcome to Dorsey’s Energy Law: Month in Review. We provide this update to our clients to identify significant developments in the previous month. ...more
The U.S. Environmental Protection Agency (EPA) today designated two types of per- and polyfluoroalkyl substances (PFAS) that have been used in cookware, carpets, and firefighting foams as hazardous substances, an action...more
The United States Environmental Protection Agency ("EPA") and Professional Contract Sterilization, Inc. ("PCSI") entered into a February 6th Consent Agreement ("CA") addressing alleged violations of the Clean Air Act. See...more
Our Environment, Land Use & Natural Resources Group reviews the Environmental Protection Agency’s announcement of final amendments to the air toxics standards for ethylene oxide (EtO) commercial sterilizers....more
On March 18, 2024, the U.S. Environmental Protection Agency (EPA) announced a final rule to prohibit ongoing uses of chrysotile asbestos. Chrysotile asbestos, also known as “white asbestos,” has several current uses, such as...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 Byzantine complexity of the Clean Air Act (CAA), EPA’s “once in, always in” policy regarding hazardous air pollutants (HAP) has been particularly confounding. And now it’s back in play, through regulatory revisions...more
The United States Environmental Protection Agency (“EPA”) published in the September 13th Federal Register a proposed rule that would amend the general provisions for Clean Air Act National Emission Standards for Hazardous...more
The U.S. Environmental Protection Agency (EPA) announced on July 25, 2023, a proposed rule, published in the Federal Register on Aug. 9, 2023, to update the Air Emissions Reporting Requirements (AERR) to collect certain...more