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Statutory Interpretation Loper Bright Enterprises v Raimondo Hazardous Substances

Williams Mullen

Environmental Notes - July 2025

Williams Mullen on

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 EPA’s controversial “Once in, always in, Rule” (Once in Rule) was recently rescinded under the Congressional Review Act, a statute which gives Congress the authority to...more

Pillsbury - PFAS Observer

The End of Chevron Deference Could Spell Trouble for EPA’s PFAS “Hazardous Substance” Rule

A recent Supreme Court ruling could further jeopardize EPA’s PFAS hazardous substance designation, as the agency is attempting to advance a novel use of delegated legislative authority to further regulate PFAS chemicals....more

Fox Rothschild LLP

The Impact of Chevron’s Demise on the Regulation of PFAS

Fox Rothschild LLP on

On June 28, 2024, in its decision in Loper Bright Enterprises, et al. v. Raimondo, et al., the U.S. Supreme Court held that its longstanding precedent granting deference to administrative agencies established in the 1984...more

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