(a) EPA approves as a revision to the Alaska State Implementation Plan the 1990 Base Year Carbon Monoxide Emission Inventory for the Anchorage and Fairbanks areas designated as nonattainment for CO, submitted by the Alaska Department of Environmental Conservation on December 29, 1993. This submittal consists of the 1990 base year stationary, area, non-road mobile, and on-road mobile sources for the pollutant carbon monoxide.

(b) EPA approves a revision to the Alaska State Implementation Plan, submitted on December 5, 1994, of the on-road mobile source portion of the 1990 Base Year Emission Inventory for Carbon Monoxide in Anchorage and Fairbanks.