In California Communities Against Toxics v. United States Environmental Protection Agency, (2012) 2012 U.S. App. Lexis 15428, the Ninth Circuit Court of Appeals invalidated the Environmental Protection Agency’s (EPA) approval of a revision to the California State Implementation Plan (SIP) without vacatur in order to permit a power plant to be constructed – but

In Ass’n of Irritated Residents v. United States EPA (9th Cir. 2012) 686 F.3d 668,  the Ninth Circuit granted a petition challenging federal Environmental Protection Agency’s (EPA) decision to approve the 2003 SIP Revision on each of the three grounds alleged by the Petitioner.  Specifically, Petitioner alleged (1)EPA’s failure to order California to submit a