CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS > SUBPART MM—Oregon (§52.1970 to §52.1988) > 52.1973—Approval of plans.

52.1973—Approval of plans.

(a) Carbon monoxide. (1) EPA approves as a revision to the Oregon State Implementation Plan, the Second Portland Area Carbon Monoxide Maintenance Plan, effective December 15, 2004, and submitted to EPA on December 27, 2004.
(2) EPA approves as a revision to the Oregon State Implementation Plan, the Salem carbon monoxide maintenance plan submitted to EPA on August 9, 2007.
(b) Lead. [Reserved]
(c) Nitrogen Dioxide. [Reserved]
(d) Ozone. [Reserved]
(e) Particulate Matter.
(1) EPA approves as a revision to the Oregon State Implementation Plan, the Klamath Falls PM-10 maintenance plan submitted to EPA on November 4, 2002.
(2) EPA approves as a revision to the Oregon State Implementation Plan, the Grants Pass PM-10 maintenance plan submitted to EPA on November 4, 2002.
(3) EPA approves as a revision to the Oregon State Implementation Plan, the La Grande PM10 maintenance plan adopted by the Oregon Environmental Quality Commission on August 11, 2005 and submitted to EPA on October 25, 2005.
(4) EPA approves as a revision to the Oregon State Implementation Plan, the Lakeview PM10 maintenance plan adopted by the Oregon Environmental Quality Commission on August 11, 2005 and submitted to EPA on October 25, 2005.
(5) EPA approves as a revision to the Oregon State Implementation Plan, the Medford PM10 attainment and maintenance plan adopted by the Oregon Environmental Quality Commission on December 10, 2004 and submitted to EPA on March 10, 2005.
(f) Sulfur Dioxide. [Reserved]

Code of Federal Regulations

[68 FR 60041, Oct. 21, 2003, as amended at 68 FR 61116, Oct. 27, 2003; 71 FR 3770, Jan. 24, 2006; 71 FR 3770, Feb. 23, 2006; 71 FR 35160, 35163, 35174, June 19, 2006; 73 FR 79661, Dec. 30, 2008]