Approval and Promulgation of Implementation Plans; California State Implementation Plan Revision; Bay Area Air Quality Management District and Ventura County Air Pollution Control District

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EPA is proposing a limited approval and limited disapproval of revisions to the California State Implementation Plan (SIP) which concern the control of volatile organic compound (VOC) emissions from light and medium duty motor vehicle assembly plants, and pumps and compressor seals at petroleum refineries, chemical plants, bulk plants, and bulk terminals; and reactive organic compound (ROC) emissions from facilities that apply coatings to metal parts and products and polyester resin material operations. The intended effect of proposing limited approval and limited disapproval of these rules is to regulate emissions of VOCs in accordance with the requirements of the Clean Air Act, as amended in 1990 (CAA or the Act). EPA's final action on this notice of proposed rulemaking (NPR) will incorporate these rules into the federally approved SIP. EPA has evaluated these rules and is proposing a limited approval under provisions of the CAA regarding EPA action on SIP submittals and general rulemaking authority because these revisions strengthen the SIP. At the same time, EPA is proposing a limited disapproval under the CAA provisions cited above because the rules do not meet the CAA provisi