Approval and Promulgation of Implementation Plans; State of California; Sacramento Metro Area; Attainment Plan for 1997 8-Hour Ozone Standard

The Environmental Protection Agency (EPA) is taking final action to approve state implementation plan (SIP) revisions submitted by the State of California that provide for attainment of the 1997 8- hour ozone national ambient air quality standard ("standard" or NAAQS) in the Sacramento Metro nonattainment area. The EPA is approving the emissions inventories, air quality modeling, reasonably available control measures, provisions for transportation control strategies and measures, rate of progress and reasonable further progress (RFP) demonstrations, attainment demonstration, transportation conformity motor vehicle emissions budgets, and contingency measures for failure to make RFP or attain. The EPA is also approving commitments for measures by the Sacramento Metro nonattainment area air districts.