Clean Air Act Final Interim Approval of the Operating Permits Program; Approval of State Implementation Plan Revision for the Issuance of Federally Enforceable State Operating Permits; Antelope Valley Air Pollution Control District, California

The EPA is promulgating interim approval of the Operating Permits Program submitted by the California Air Resources Board on behalf of the Antelope Valley Air Pollution Control District (APCD), California (Antelope Valley or District) for the purpose of complying with Federal requirements for an approvable State program to issue operating permits to all major stationary sources, and to certain other sources. In addition, EPA is promulgating final approval of a revision to Antelope Valley's portion of the California State Implementation Plan (SIP) regarding synthetic minor regulations for the issuance of federally enforceable state operating permits (FESOP). In order to extend the federal enforceability of state operating permits to hazardous air pollutants (HAP), EPA is also finalizing approval of Antelope Valley's synthetic minor regulations pursuant to section 112(l)of the Clean Air Act (CAA or Act). Finally, today's action grants final approval to Antelope Valley's mechanism for receiving delegation of section 112 standards as promulgated.