Approval and Promulgation of Implementation Plans; California State Implementation Plan Revision; Mojave Desert Air Quality Management District; San Diego County Air Pollution Control District; San Joaquin Valley Unified Air Pollution Control District

EPA is taking direct final action to approve revisions to the California State Implementation Plan (SIP). The revisions concern rules from the Mojave Desert Air Quality Management District (MDAQMD), San Diego County Air Pollution Control District (SDCAPCD), and San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD). The rules control oxides of nitrogen (NO<INF>X) from gas turbines, fuel-burning equipment, and glass manufacturing plants. This approval action will incorporate these rules into the Federally approved SIP. The intended effect of approving these rules is to regulate emissions of NO<INF>X in accordance with the requirements of the Clean Air Act, as amended in 1990 (CAA or the Act). The EPA is finalizing the approval of these revisions into the California SIP under provisions of the CAA regarding EPA action on SIP submittals, SIPs for national primary and secondary ambient air quality standards, and plan requirements for nonattainment areas.