Title 40

SECTION 52.672

52.672 Approval of plans.

§ 52.672 Approval of plans.

(a) Carbon Monoxide. (1) EPA approves as a revision to the Idaho State Implementation Plan, the Limited Maintenance Plan for the Northern Ada County Carbon Monoxide Not-Classified Nonattainment Area, submitted by the State on January 17, 2002.

(2) EPA approves as a revision to the Idaho State Implementation Plan, the Northern Ada County Air Quality Maintenance Area Second 10-year Carbon Monoxide Limited Maintenance Plan submitted by the State on February 10, 2011.

(b) Lead. [Reserved]

(d) Ozone. [Reserved]

(e) Particulate Matter. (1) EPA approves as a revision to the Idaho State Implementation Plan, the Northern Ada County PM10 SIP Maintenance Plan, adopted by the State on September 26, 2002.

(2) EPA approves as a revision to the Idaho State Implementation Plan, the Northern Ada County PM10 Second Ten-Year Maintenance Plan adopted by the State on March 11, 2013.

(3) EPA approves as a revision to the Idaho State Implementation Plan, the Pinehurst PM10 Contingency Measures, adopted by the State on July 13, 1995.

(f) Sulfur Dioxide. [Reserved]

(g) Visibility protection. (1) EPA approves portions of a Regional Haze SIP revision submitted by the Idaho Department of Environmental Quality on October 25, 2010, as meeting the requirements of Clean Air Act section 169A and 40 CFR 51.308(e) regarding Best Available Retrofit Technology. The SIP revision also meets the requirements of 40 CFR 51.308(d)(2) and (4)(v) regarding the calculation of baseline and natural conditions for Craters of the Moon National Monument, Sawtooth Wilderness Area, and Selway-Bitterroot Wilderness Area and the statewide inventory of emissions of pollutants that are reasonably anticipated to cause or contribute to visibility impairment in any mandatory Class I Federal Area. The SIP revision also meets the requirements of Clean Air Act section 110(a)(2)(D)(i)(II) as it applies to visibility for the 1997 8-hour ozone NAAQS and 1997 PM2.5 NAAQS.

(2) EPA approves the remaining portions of the Regional Haze SIP revision submitted by the Idaho Department of Environmental Quality on October 25, 2010, as meeting the requirements of the Clean Air Act section 169A and 169B and 40 CFR 51.308.

(3) The EPA is vacating its approval of Idaho's NOX and SOX BART determination for the Riley boiler at The Amalgamated Sugar Company, LLC Nampa facility, published June 22, 2011.

(4) The EPA approves a Regional Haze SIP revision submitted by the Idaho Department of Environmental Quality on June 29, 2012, as meeting the requirements of Clean Air Act section 169A and 40 CFR 51.308(e) regarding Best Available Retrofit Technology for The Amalgamated Sugar Company LLC, facility located in Nampa, Idaho. The EPA is approving a revised NOX BART determination and revised emission limit for NOX, a revised emission limit for PM, and a SO2 BART Alternative for The Amalgamated Sugar Company, LLC, Nampa facility.

[67 FR 65718, Oct. 28, 2002, as amended at 68 FR 61110, Oct. 27, 2003; 76 FR 36339, June 22, 2011; 77 FR 45965, Aug. 2, 2012; 77 FR 66934, Nov. 8, 2012; 79 FR 23278, Apr. 28, 2014; 79 FR 41649, July 17, 2014; 79 FR 59438, Oct. 2, 2014]