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

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Case Updates

D.C. Circuit leaves 2008 ozone air quality standards intact

July 23, 2013

With respect to the primary NAAQS, the court rejected arguments that the 2008 ozone standards were either too strict or too lax.

Petition for review filed 5/27/08. Motion to consolidate cases and hold in abeyance granted 3/19/09. EPA notice of intent to reconsider rule 9/09. Denial of motion to begin briefing issues not subject to reconsideration 4/4/11. Administration rescinds reconsideration of rule 9/2/11. Oral argument held 11/16/12. Opinion issued 7/23/2013. Opinion amended and reissued 12/11/13.

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