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Air Pollution Comment Period Hazardous Substances

Jones Day

EPA Proposes Repeal of 2024 Mercury and Air Toxics Standards Amendments

Jones Day on

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

Robinson+Cole Environmental Law +

Back From the Grave? “Once In, Always In” for Hazardous Air Pollutant Emissions

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

Holland & Knight LLP

EPA Seeks Comment on Air Pollutant Reporting for PFAS

Holland & Knight LLP on

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

Clark Hill PLC

EPA’s Position That HAP Listing of 1-Bromopropane Will Trigger Immediate Major Source Obligations Likely To Be Challenged as...

Clark Hill PLC on

On Jan. 5, the U.S. Environmental Protection Agency (“EPA”) published a Final Rule in the Federal Register adding 1-bromopropane (“1-BP”) to the list of hazardous air pollutants (“HAPs”) under Section 112 of the Clean Air Act...more

Williams Mullen

Environmental Notes - July 2021

Williams Mullen on

Can you still build a bulkhead along the shoreline in coastal Virginia to protect your property? Well, it depends, but now the answer is more likely to be “no.” Major changes to how Virginia tidal waterfront property owners...more

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