Approval and Promulgation of Implementation Plans; Designation of Areas for Air Quality Planning Purposes; State of California; PM10; Redesignation of Sacramento to Attainment; Approval of PM10 Redesignation Request and Maintenance Plan for Sacramento

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EPA is approving the State of California's request to redesignate the Sacramento nonattainment area to attainment for the 24- hour particulate matter of ten microns or less (PM 10 ) National Ambient Air Quality Standard (NAAQS). EPA is also approving the PM 10 maintenance plan and the associated motor vehicle emissions budgets for use in transportation conformity determinations necessary for the Sacramento area, and the attainment year emissions inventory submitted with the plan.