Approval and Promulgation of Implementation Plans: Alaska

The Environmental Protection Agency (EPA) takes action on and/ or approves regulations from three submittals received from the Alaska Department of Environmental Conservation (ADEC): submittal dated July 17, 1990 requesting our action to address out-of-date sections found in 40 CFR 52.73-52.96 relating to Alaska state implementation plan (SIP) deficiencies, and including the applicable Alaska statutes to support their request; submittal dated October 15, 1991 requesting approval of amendments to regulations dealing with Air Quality Control, 18 AAC 50, for inclusion into Alaska's SIP to assure compliance with Federal ambient air quality standards for airborne particulate matter, and submittal dated March 24, 1994 requesting approval of additional amendments to 18 AAC 50, Air Quality Control, for inclusion into Alaska's SIP to assure compliance with new source review permitting requirements, the 1990 Clean Air Act Amendments (the Act), for sources located in nonattainment areas for either carbon monoxide or particulate matter. The above submittals include amendments to the State Air Quality Control Plan, which is incorporated by reference in 18 AAC 50.