State of California v. EPA

U.S. Court of Appeals for the District of Columbia Circuit

Tab Group

Petition Stage

D.C. Circuit grants motion of U.S. Chamber and other business groups to intervene to defend EPA’s 2020 decision to retain the existing National Ambient Air Quality Standards (NAAQS) for particulate matter (PM)

September 16, 2021

Click here to view the order.

U.S. Chamber and industry associations move to intervene to help defend the 2020 review of the National Ambient Air Quality Standards for Particulate Matter

February 18, 2021

Click here to view the coalition’s motion to intervene. Lucinda Minton Langworthy and Elbert Lin of Hunton Andrews Kurth LLP and the U.S. Chamber’s Litigation Center served as co-counsel for the U.S. Chamber.

Case Documents

Petition for Review -- California v. EPA (D.C. Circuit).pdf

U.S. Chamber, et. al Motion to Intervene -- California v. EPA (D.C. Circuit).pdf

Order Granting Intervention -- California v. EPA (D.C. Circuit).pdf