DC Circuit rejects EPA bid to freeze case challenging carcinogen regs

By Sean Reilly | 03/04/2025 04:16 PM EST

The Trump EPA wanted to reconsider its position in defense of the Biden administration rule.

A gavel.

A panel of the U.S. Court of Appeals for the District of Columbia Circuit denied the agency’s motion for a 60-day pause in a case over ethylene oxide. Beth Cortez-Neaval

Federal judges have nixed EPA’s bid to freeze proceedings in high-stakes litigation over strengthened regulations on releases of a potent carcinogen.

In a brief order issued Tuesday afternoon, a divided three-judge panel on the U.S. Court of Appeals for the District of Columbia Circuit denied the agency’s motion for a 60-day pause in the competing legal challenges to the updated rules for dozens of plants that use ethylene oxide to sterilize medical equipment.

Under President Donald Trump, EPA had sought the hold to relook at its position in defense of the Biden administration update issued last March.

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Oral arguments in the case remain on track to take place April 15.

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