52.1373—Control strategy: Carbon monoxide.
(a)
On July 8, 1997, the Governor of Montana submitted revisions to the SIP narrative for the Missoula carbon monoxide control plan.
(b)
Revisions to the Montana State Implementation Plan, Carbon Monoxide Redesignation Request and Maintenance Plan for Billings, as adopted by the Montana Department of Environmental Quality on December 19, 2000, State effective December 19, 2000, and submitted by the Governor on February 9, 2001.
(c)
Revisions to the Montana State Implementation Plan, Carbon Monoxide Redesignation Request and Maintenance Plan for Great Falls, as adopted by the Montana Department of Environmental Quality on December 19, 2000, State effective December 19, 2000, and submitted by the Governor on February 9, 2001.
(d)
Revisions to the Montana State Implementation Plan, Carbon Monoxide Redesignation Request and Maintenance Plan for Missoula, as approved by the Missoula City-County Air Pollution Control Board on January 20, 2005, by the Missoula County Commissioners on January 26, 2005 and by the Missoula City Council on March 7, 2005; and submitted by the Governor on May 27, 2005.