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U.S. Court of Appeals for the D.C. Circuit

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Pending

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Additional Information

U.S. Chamber: New Air Quality Regulations Will Cause Permitting Gridlock

Case Updates

U.S. Chamber coalition files reply brief

September 30, 2024

Reply Brief

U.S. Chamber coalition files opening brief in challenge to EPA rule revising the National Ambient Air Quality Standards for particulate matter (PM2.5) under the Clean Air Act

June 06, 2024

Opening Brief

U.S. Chamber and co-petitioners file petition for review in D.C. Circuit challenging EPA rule, issued under the Clean Air Act, tightening the National Ambient Air Quality Standards (NAAQS) for particulate matter (PM2.5)

March 06, 2024

Petition for Review

Elbert Lin, Lucinda Minton Langworthy, and Erica N. Peterson of Hunton Andrews Kurth LLP served as outside counsel.

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