Approval of Air Quality Implementation Plans; California; South Coast; Attainment Plan for 1997 8-Hour Ozone Standards

EPA is approving state implementation plan (SIP) revisions submitted by California to provide for attainment of the 1997 8-hour ozone national ambient air quality standards in the Los Angeles-South Coast area (South Coast). These SIP revisions are the South Coast 2007 Air Quality Management Plan (South Coast 2007 AQMP) (revised 2011) and South Coast-related portions of the 2007 State Strategy (revised 2009 and 2011). EPA is approving the base year emissions inventory; reasonably available control measures demonstration; provisions for transportation control strategies and transportation control measures; the reasonable further progress (RFP) and attainment demonstrations; the transportation conformity motor vehicle emissions budgets for all RFP milestone years and the attainment year; contingency measures for failure to make reasonable further progress and to attain; and Clean Air Act section 182(e)(5) new technologies provisions and associated commitment to adopt contingency measures. EPA is also approving commitments to measures and reductions by the South Coast Air Quality Management District and the California Air Resources Board.