Approval and Promulgation of Implementation Plans; California State Implementation Plan Revision, San Joaquin Valley Unified Air Pollution Control District; South Coast Air Quality Management District

EPA is finalizing a limited approval and limited disapproval of revisions to the California State Implementation Plan (SIP) proposed in the Federal Register on April 12, 1999. This final action will incorporate these rules into the federally approved SIP. The intended effect of finalizing this action is to regulate particulate matter (PM) emissions in accordance with the requirements of the Clean Air Act, as amended in 1990 (CAA or the Act). The revised rules regulate PM-10 emissions from open burning. Thus, EPA is finalizing simultaneous limited approvals and limited disapprovals under CAA provisions regarding EPA action on SIP submittals and general rulemaking authority because these revisions, while strengthening the SIP, do not fully meet the CAA provisions regarding plan submissions and requirements for nonattainment areas. As a result of these limited disapprovals EPA will be required to impose highway funding or emission offset sanctions under the CAA unless the State submits and EPA approves corrections to the identified deficiencies within 18 months of the effective date of these disapprovals. Moreover, EPA will be required to promulgate a Federal implementation plan (FIP) unless the deficiencies are corrected within 24 months of the effective date of these disapprovals.