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In re Peabody Western Coal Company

Case Number:CAA Appeal No. 12-01
ELR Citation:43 ELR 41365

The Navajo Nation Environmental Protection Agency (NNEPA), acting with authority delegated by the U.S. Environmental Protection Agency (EPA) in 2004 pursuant to EPA regulations at 40 C.F.R. part 71, issued a federal Clean Air Act Title V operating permit to Peabody Western Coal Company (Peabody) governing air emissions from Peabody's mining operation at the Kayenta Complex in Arizona. Peabody appealed NNEPA's issuance of that permit to the Environmental Appeals Board. The petition for review was denied on March 13, 2012, and the permit became final. Peabody now petitions the Board for a ruling that NNEPA's August 31, 2012, administrative amendment of the permit to correct its issuance and expiration dates was contrary to law, raising for the first time the argument that the delegation provisions of the part 71 regulations, finalized in 1996, exceeded EPA's statutory authority under the Clean Air Act. Held: The Board denies the petition for review.