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Revisions to the California State Implementation Plan, San Joaquin Valley Unified Air Pollution Control District
EPA is finalizing approval of revisions to the San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD) portion of the California State Implementation Plan (SIP). These revisions were proposed in the Federal Register on February 12, 2004, and concern oxides of nitrogen (NO
X) emissions from boilers, steam generators, and process heaters; stationary internal combustion engines; and stationary gas turbines. We are approving local rules that regulate these emission sources under the Clean Air Act as amended in 1990 (CAA or the Act).