Disapproval of State Implementation Plan Revisions, Antelope Valley, Butte County, Mojave Desert, and Shasta County Air Quality Management Districts and Kern County Air Pollution Control District

EPA is finalizing disapproval of a revision to the Antelope Valley Air Quality Management District (AVAQMD), Butte County Air Quality Management District (BCAQMD), Kern County Air Pollution Control District (KCAPCD), Mojave Desert Air Quality Management District (MDAQMD), and Shasta County Air Quality Management District (SHCAQMD) portions of the California State Implementation Plan (SIP). This action was proposed in the Federal Register on June 6, 2003 (68 FR 33899) and concerns excess emissions and breakdown provisions. Under authority of the Clean Air Act as amended in 1990 (CAA or the Act), this action directs California to correct rule deficiencies in AVAQMD Rule 430, BCAQMD Rule 275, KCAPCD Rule 111, MDAQMD Rule 430, and SHCAQMD Rule 3:10.