§ 52.1131 Control strategy: Particulate matter.
(a) Revisions to the following regulations submitted on March 30, 1979 are disapproved:
(1) Regulation 310 CMR 7.02(8), Table 2, new facilities greater than 250 million Btu/hr input burning solid fuel.
(2) Regulation 310 CMR 7.02(9), Table 5.
(b) Approval—Submittal from the Massachusetts Department of Environmental Protection, dated April 4, 2008 to address the Clean Air Act (CAA) infrastructure requirements for the 1997 PM2.5 NAAQS. This submittal satisfies requirements of CAA sections 110(a)(2)(B), (C) (enforcement program only), (E)(i), (E)(iii), (F), (G), (H), (J) (consultation and public notification only), (K), (L), and (M).
(c) Conditional Approval (satisfied)—Submittal from the Massachusetts Department of Environmental Protection, dated April 4, 2008, to address the Clean Air Act (CAA) infrastructure requirements for the 1997 PM2.5 NAAQS is conditionally approved for CAA elements 110(a)(2)(A) and (E)(ii). This conditional approval is contingent upon Massachusetts taking actions to meet requirements of these elements within one year of conditional approval, as committed to in a letter from the state to EPA Region 1 dated July 12, 2012. The Massachusetts Department of Environmental Protection made a submittal to satisfy these conditions on February 9, 2018. EPA approved the submittal and converted the conditional approval to a full approval on June 24, 2019.