Determination of Attainment of Ozone Standard for Salt Lake and Davis Counties, Utah, and Determination Regarding Applicability of Certain Reasonable Further Progress and Attainment Demonstration Requirements

On June 8, 1995, the EPA published a direct final and proposed rulemakings determining that the Salt Lake and Davis Counties, Utah, moderate ozone nonattainment area had attained the ozone National Ambient Air Quality Standard (NAAQS). Based on this determination, the EPA also determined that certain reasonable further progress and attainment demonstration requirements, along with certain other related requirements, of part D of Title 1 of the Clean Air Act (CAA), as amended in 1990, are not applicable to the area so long as the area continues to attain the ozone NAAQS. The 30-day comment period concluded on July 10, 1995. During this comment period, the EPA received two comment letters in response to the June 8, 1995, rulemaking. This final rule summarizes all comments and EPA's responses, and finalizes the EPA's determination that the area has attained the ozone standard and that certain reasonable further progress and attainment demonstration requirements as well as other related requirements of part D of the CAA are not applicable to these areas as long as the area continues to attain the ozone NAAQS.