§ 52.1634 Significant deterioration of air quality.
(a) The plan submitted by the Governor of New Mexico on February 21, 1984 (as adopted by the New Mexico Environmental Improvement Board (NMEIB) on January 13, 1984), August 19, 1988 (as revised and adopted by the NMEIB on July 8, 1988), and July 16, 1990 (as revised and adopted by the NMEID on March 9, 1990), Air Quality Control Regulation 707—Permits, Prevention of Significant Deterioration (PSD) and its Supplemental document, is approved as meeting the requirements of part C, Clean Air Act for preventing significant deterioration of air quality. Additionally, on November 2, 1988, EPA approved New Mexico's stack height regulation into the SIP (53 FR 44191), thereby satisfying the conditions of EPA's conditional approval of the State's PSD program on February 27, 1987 (52 FR 5964). Therefore, the conditional approval was converted to a full approval on July 15, 2011.