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§52.49 [Removed and reserved]

[86 FR 35613, July 7, 2021; 87 FR 41064, July 11, 2022]

§52.50 Identification of plan.

(a) Purpose and scope. This section sets forth the applicable State implementation plan for Alabama under section 110 of the Clean Air Act, 42 U.S.C. 7401, and 40 CFR part 51 to meet national ambient air quality standards.

§52.51 Classification of regions.

The Alabama plan was evaluated on the basis of the following classifications:

Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Photochemical oxidants (hydrocarbons)
Alabama & Tombigbee Rivers Intrastate II III III III III
Columbus (Georgia)-Phenix City (Alabama) Interstate I III III III III
East Alabama Intrastate I III III III III
Metropolitan Birmingham Intrastate I II III I I
Mobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi Interstate I I III III I
Southeast Alabama Intrastate II III III III III
Tennessee River Valley (Alabama)-Cumberland Mountains (Tennessee) Interstate I I III III III

[37 FR 10847, May 31, 1972]

§52.53 Approval status.

With the exceptions set forth in this subpart, the Administrator approves Alabama's plan for the attainment and maintenance of the national standards under section 110 of the Clean Air Act. Furthermore, the Administrator finds that the plan satisfies all requirements of part D, title 1, of the Clean Air Act as amended in 1977.

[79 FR 30050, May 27, 2014, as amended at 80 FR 17691, Apr. 2, 2015; 80 FR 61112, Oct. 9, 2015; 81 FR 83144, Nov. 21, 2016; 82 FR 3639, Jan. 12, 2017; 82 FR 9515, Feb. 7, 2017; 82 FR 47396, Oct. 12, 2017; 83 FR 31458, July 6, 2018]

§52.54 Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?

(a)(1) The owner and operator of each source and each unit located in the State of Alabama and Indian country within the borders of the State and for which requirements are set forth under the CSAPR NOX Annual Trading Program in subpart AAAAA of part 97 of this chapter must comply with such requirements. The obligation to comply with such requirements with regard to sources and units in the State will be eliminated by the promulgation of an approval by the Administrator of a revision to Alabama's State Implementation Plan (SIP) as correcting the SIP's deficiency that is the basis for the CSAPR Federal Implementation Plan under §52.38(a) for those sources and units, except to the extent the Administrator's approval is partial or conditional. The obligation to comply with such requirements with regard to sources and units located in Indian country within the borders of the State will not be eliminated by the promulgation of an approval by the Administrator of a revision to Alabama's SIP.

(2) Notwithstanding the provisions of paragraph (a)(1) of this section, if, at the time of the approval of Alabama's SIP revision described in paragraph (a)(1) of this section, the Administrator has already started recording any allocations of CSAPR NOX Annual allowances under subpart AAAAA of part 97 of this chapter to units in the State for a control period in any year, the provisions of subpart AAAAA of part 97 of this chapter authorizing the Administrator to complete the allocation and recordation of CSAPR NOX Annual allowances to units in the State for each such control period shall continue to apply, unless provided otherwise by such approval of the State's SIP revision.

(b)(1) The owner and operator of each source and each unit located in the State of Alabama and Indian country within the borders of the State and for which requirements are set forth under the CSAPR NOX Ozone Season Group 1 Trading Program in subpart BBBBB of part 97 of this chapter must comply with such requirements with regard to emissions occurring in 2015 and 2016.

[Editor’s Note: Pargraphs (b)(2) and (3) are revised effective August 4, 2023.][Change Notice] [New Text]

(2) The owner and operator of each source and each unit located in the State of Alabama and Indian country within the borders of the State and for which requirements are set forth under the CSAPR NO X Ozone Season Group 2 Trading Program in subpart EEEEE of part 97 of this chapter must comply with such requirements with regard to emissions occurring in 2017 through 2022. The obligation to comply with such requirements with regard to sources and units in the State and areas of Indian country within the borders of the State subject to the State's SIP authority will be eliminated by the promulgation of an approval by the Administrator of a revision to Alabama's State Implementation Plan (SIP) as correcting the SIP's deficiency that is the basis for the CSAPR Federal Implementation Plan (FIP) under §52.38(b)(1) and (b)(2)(ii) for those sources and units, except to the extent the Administrator's approval is partial or conditional. The obligation to comply with such requirements with regard to sources and units located in areas of Indian country within the borders of the State not subject to the State's SIP authority will not be eliminated by the promulgation of an approval by the Administrator of a revision to Alabama's SIP.

(3) The owner and operator of each source and each unit located in the State of Alabama and Indian country within the borders of the State and for which requirements are set forth under the CSAPR NO X Ozone Season Group 3 Trading Program in subpart GGGGG of part 97 of this chapter must comply with such requirements with regard to emissions occurring in 2023 and each subsequent year. The obligation to comply with such requirements with regard to sources and units in the State and areas of Indian country within the borders of the State subject to the State's SIP authority will be eliminated by the promulgation of an approval by the Administrator of a revision to Alabama's State Implementation Plan (SIP) as correcting the SIP's deficiency that is the basis for the CSAPR Federal Implementation Plan (FIP) under §52.38(b)(1) and (b)(2)(iii) for those sources and units, except to the extent the Administrator's approval is partial or conditional. The obligation to comply with such requirements with regard to sources and units located in areas of Indian country within the borders of the State not subject to the State's SIP authority will not be eliminated by the promulgation of an approval by the Administrator of a revision to Alabama's SIP.

(4) Notwithstanding the provisions of paragraphs (b)(2) and (3) of this section, if, at the time of the approval of Alabama's SIP revision described in paragraph (b)(2) or (3) of this section, the Administrator has already started recording any allocations of CSAPR NO X Ozone Season Group 2 allowances or CSAPR NO X Ozone Season Group 3 allowances under subpart EEEEE or GGGGG, respectively, of part 97 of this chapter to units in the State and areas of Indian country within the borders of the State subject to the State's SIP authority for a control period in any year, the provisions of such subpart authorizing the Administrator to complete the allocation and recordation of such allowances to such units for each such control period shall continue to apply, unless provided otherwise by such approval of the State's SIP revision.

(5) Notwithstanding the provisions of paragraph (b)(2) of this section, after 2022 the provisions of §97.826(c) of this chapter (concerning the transfer of CSAPR NO X Ozone Season Group 2 allowances between certain accounts under common control), the provisions of §97.826(e) of this chapter (concerning the conversion of amounts of unused CSAPR NO X Ozone Season Group 2 allowances allocated for control periods before 2023 to different amounts of CSAPR NO X Ozone Season Group 3 allowances), and the provisions of §97.811(e) of this chapter (concerning the recall of CSAPR NO X Ozone Season Group 2 allowances equivalent in quantity and usability to all such allowances allocated to units in the State and Indian country within the borders of the State for control periods after 2022) shall continue to apply.

(6) Notwithstanding any other provision of this part, the effectiveness of paragraph (b)(3) of this section is stayed with regard to emissions occurring in 2023 and thereafter, provided that while such stay remains in effect, the provisions of paragraph (b)(2) of this section shall apply with regard to such emissions.

[76 FR 48361, Aug. 8, 2011, as amended at 80 FR 57275, Sept. 22, 2015; 81 FR 74586 and 74593, Oct. 26, 2016; 83 FR 65924, Dec. 21, 2018; 88 FR 36889, June 5, 2023; 88 FR 67107, Sept. 29, 2023]

§52.55 Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?

(a) The owner and operator of each source and each unit located in the State of Alabama and Indian country within the borders of the State and for which requirements are set forth under the CSAPR SO2 Group 2 Trading Program in subpart DDDDD of part 97 of this chapter must comply with such requirements. The obligation to comply with such requirements with regard to sources and units in the State will be eliminated by the promulgation of an approval by the Administrator of a revision to Alabama's State Implementation Plan (SIP) as correcting the SIP's deficiency that is the basis for the CSAPR Federal Implementation Plan under §52.39 for those sources and units, except to the extent the Administrator's approval is partial or conditional. The obligation to comply with such requirements with regard to sources and units located in Indian country within the borders of the State will not be eliminated by the promulgation of an approval by the Administrator of a revision to Alabama's SIP.

(b) Notwithstanding the provisions of paragraph (a) of this section, if, at the time of the approval of Alabama's SIP revision described in paragraph (a) of this section, the Administrator has already started recording any allocations of CSAPR SO2 Group 2 allowances under subpart DDDDD of part 97 of this chapter to units in the State for a control period in any year, the provisions of subpart DDDDD of part 97 of this chapter authorizing the Administrator to complete the allocation and recordation of CSAPR SO2 Group 2 allowances to units in the State for each such control period shall continue to apply, unless provided otherwise by such approval of the State's SIP revision.

[76 FR 48361, Aug. 8, 2011, as amended at 80 FR 57275, Sept. 22, 2015; 81 FR 74586 and 74593, Oct. 26, 2016]

§52.56 Control strategy: Ozone.

(a) The state implementation plan (SIP) revision submitted on June 21, 2022, addressing Clean Air Act section 110(a)(2)(D)(i)(I) (prongs 1 and 2) for the 2015 ozone national ambient air quality standards (NAAQS) is disapproved.

(b) [Reserved]

[88 FR 9381, Feb. 13, 2023]

§52.57 Control strategy: Sulfur oxides.

(a) The requirements of Subpart G of this chapter are not met since the Alabama plan does not provide for attainment and maintenance of the national standards for sulfur oxides in the vicinity of the Widows Creek Power Plant in Jackson County, Alabama. Therefore, Part 5.1, Fuel Combustion, of Chapter 5, Control of Sulfur Compound Emissions, of the rules and regulations of the State of Alabama, as adopted by the Alabama Air Pollution Control Commission on May 29, 1973, and amended on March 25, 1975, which is part of the revised sulfur oxide control strategy, is disapproved as it applies to the Widows Creek Plant. Part 5.1 of the Alabama rules and regulations as adopted on January 18, 1972, remains the implementation plan regulation applicable to that source.

(b) [Reserved]

[41 FR 42674, Sept. 28, 1976, as amended at 51 FR 40676, Nov. 7, 1986]

§52.58 Control strategy: Lead.

The lead plan submitted by the State on March 24, 1982, is disapproved because it fails to provide for the attainment of the lead standard throughout Alabama. The lead plan submitted by the State on October 7, 1985, and November 13, 1986, for Jefferson County is conditionally approved on the condition that the State by October 1, 1987, determine what additional control measures may be necessary, if any, to assure attainment and maintenance as expeditiously as practicable but no later than the applicable attainment deadline and submit those measures to EPA for approval, together with an appropriate demonstration of attainment. The provisions in the regulation submitted on October 7, 1985, that give the Jefferson County Health Officer discretion to vary the requirements of the regulation are approved as limits on that discretion, but any variances that may result from those provisions are not approved in advance and hence change the applicable implementation plan only when approved by EPA on a case-by-case basis.

[49 FR 18738, May 2, 1984, as amended at 52 FR 4291, Feb. 11, 1987]

§52.60 Significant deterioration of air quality.

(a) All applications and other information required pursuant to §52.21 from sources located in the State of Alabama shall be submitted to the State agency, Alabama Department of Environmental Management, P.O. Box 301463, Montgomery, Alabama 36130-1463, rather than to EPA's Region 4 office.(b) On March 24, 1987, the Alabama Department of Environmental Management submitted a letter committing the State of Alabama to require that modeling for PSD permits be done only in accordance with the “Guideline on Air Quality Models (Revised)” or other models approved by EPA.

[42 FR 22869, May 5, 1977, as amended at 46 FR 55518, Nov. 10, 1981; 52 FR 48812, Dec. 28, 1987; 74 FR 55143, Oct. 27, 2009]

§52.61 [Reserved]

§52.62 Control strategy: Sulfur oxides and particulate matter.

In a letter dated May 29, 1987, the Alabama Department of Health and Environmental Control certified that no emission limits in the State's plan are based on dispersion techniques not permitted by EPA's stack height rules. The certification does not apply to: Alabama Electric Cooperative - Lowman Steam Plant; Alabama Power Company-Gorgas Steam Plant, Gaston Steam Plant, Greene County Steam Plant, Gadsden Steam Plant, Miller Steam Plant, and Barry Steam Plant; Alabama River Pulp; Champion International Corporation; Container Corporation of America; Exxon Company's Big Escambia Creek Treating Facility; General Electric's Burkville Plant; International Paper; Scott Paper Company; Tennessee Valley Authority's Colbert, and Widows Creek Steam Plant; Union Camp Corporation; and U.S. Steel.

(a) Determination of Attaining Data. EPA has determined, as of September 20, 2010, the Birmingham, Alabama, nonattainment area has attaining data for the 2006 24-hour PM2.5 NAAQS. This clean data determination, in accordance with 40 CFR 51.1004(c), suspends the requirements for this area to submit an attainment demonstration, associated reasonably available control measures, a reasonable further progress plan, contingency measures, and other planning SIPs related to attainment of the standard for as long as this area continues to meet the 2006 24-hour PM2.5 NAAQS.

(b) Determination of Attaining Data. EPA has determined, as of May 31, 2011, the Chattanooga, Tennessee, nonattainment area has attaining data for the 1997 annual PM2.5 NAAQS. This determination, in accordance with 40 CFR 52.1004(c), suspends the requirements for this area to submit an attainment demonstration, associated reasonably available control measures, a reasonable further progress plan, contingency measures, and other planning SIPs related to attainment of the standard for as long as this area continues to meet the 1997 annual PM2.5 NAAQS.

(c) Determination of attaining data. EPA has determined, as of June 29, 2011, the Birmingham, Alabama, nonattainment area has attaining data for the 1997 annual PM2.5 NAAQS. This determination, in accordance with 40 CFR 52.1004(c), suspends the requirements for this area to submit an attainment demonstration, associated reasonably available control measures, a reasonable further progress plan, contingency measures, and other planning SIPs related to attainment of the standard for as long as this area continues to meet the 1997 annual PM2.5 NAAQS.

(d) Disapproval. EPA is disapproving portions of Alabama's Infrastructure SIP for the 2006 24-hour PM2.5 NAAQS addressing interstate transport, specifically with respect to section 110(a)(2)(D)(i)(I).

(e) Disapproval. EPA is disapproving portions of Alabama's Infrastructure SIP for the 1997 annual and 2006 24-hour PM2.5 NAAQS addressing section 110(a)(2)(E)(ii) that requires the State to comply with section 128 of the CAA.

[55 FR 5846, Feb. 20, 1990, as amended at 75 FR 57187, Sept. 20, 2010; 76 FR 31241, May 31, 2011; 76 FR 38024, June 29, 2011; 76 FR 43136, July 20, 2011; 77 FR 62452, Oct. 15, 2012]

§52.63 PM 10 State Implementation Plan development in group II areas.

On March 15, 1989, the State submitted a committal SIP for the cities of Leeds and North Birmingham in Jefferson County. The committal SIP contains all the requirements identified in the July 1, 1987, promulgation of the SIP requirements for PM10 at 52 FR 24681. The SIP commits the State to submit an emissions inventory, continue to monitor for PM10, report data and to submit a full SIP if a violation of the PM10 and National Ambient Air Quality Standards is detected.

[56 FR 32514, July 17, 1991]

§52.64 Determination of attainment.

Based upon EPA's review of the air quality data for the 3-year period 2007-2009, EPA determined that the Chattanooga, Alabama-Georgia-Tennessee PM2.5 nonattainment area attained the 1997 annual PM2.5 NAAQS by the applicable attainment date of April 5, 2010. Therefore, EPA has met the requirement pursuant to CAA section 179(c) to determine, based on the Area's air quality as of the attainment date, whether the Area attained the standard. EPA also determined that the Chattanooga, Alabama-Georgia-Tennessee PM2.5 nonattainment area is not subject to the consequences of failing to attain pursuant to section 179(d).

[76 FR 55575, Sept. 8, 2011]

§52.65 Control Strategy: Nitrogen oxides.

On October 22, 1990, the Alabama Department of Environmental Management submitted a revision to Chapter 2, Control Strategy, by adding subsection 4.2.3. This revision addressed the strategy Alabama is using to implement provisions of the Prevention of Significant Deterioration regulations for nitrogen oxides.

[57 FR 24370, June 9, 1992]

§52.66 [Reserved]

§52.69 Original identification of plan section.

(a) This section identified the original “Air Implementation Plan for the State of Alabama” and all revisions submitted by Alabama that were federally approved prior to December 1, 1998. The information in this section is available in the 40 CFR, part 52 edition revised as of July 1, 1999, the 40 CFR, part 52, Volume 1 of 2 (§§52.01 to 52.1018) editions revised as of July 1, 2000 through July 1, 2011, and the 40 CFR, part 52, Volume 1 of 3 (§§52.01 to 52.1018) editions revised as of July 1, 2012.

(b)-(c) [Reserved]

[79 FR 30050, May 27, 2014]

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