ELR Citation: 47 ELR 20056
No(s). 14-73368, 14-73384, 14-73386 and 14-73394 (9th Cir. Apr 3, 2017)

The Ninth Circuit upheld an EPA federal implementation plan (FIP) under the CAA that replaced rejected portions of the Arizona SIP concerning air quality at federal parks and forests. In 2011, Arizona submitted a SIP to EPA for approval. EPA disapproved certain aspects of Arizona’s SIP concerning ...