Approval and Promulgation of Implementation Plans; Arizona State Implementation Plan Revision, Maricopa County Environmental Services Department

Zusammenfassung

EPA is proposing to approve Maricopa County's Ordinance P-7, Maricopa County Trip Reduction Ordinance, as a revision to the Arizona State Implementation Plan (SIP). EPA's final approval of this proposed rule will incorporate it into the federally approved SIP. EPA has evaluated the rule and is proposing to approve it 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.