ELR Citation: 43 ELR 20001
No(s). 08-1250 (D.C. Cir. Jan 4, 2013)

The D.C. Circuit ordered EPA to repromulgate two final rules it issued under the CAA concerning the implementation of the NAAQS for fine particulate matter (PM). Environmental groups challenged EPA's decision to issue the rules pursuant to the general implementation provisions of Subpart 1 of Part D...