(a) Part D—Approval. The following portions of the Ohio plan are approved:

(1) The ozone portions of rules 01, 02, 03, 04 (except the portion disapproved below), 05, 06, 07, 08, 09 (except the portions conditionally approved below) and 10 of Chapter 3745-21 of the Ohio Administrative Code.

(2) The Attainment Demonstrations for the following urban areas: Akron, Canton, Cincinnati, Cleveland, Columbus, Dayton, Toledo and Youngstown.

(3) The Reasonable Further Progress Demonstration for the following areas: Akron, Canton, Cincinnati, Cleveland, Columbus, Dayton, Toledo and Youngstown.

(4) The ozone nonattainment area plan for the rural nonattainment areas.

(5) [Reserved]

(6) Approval—On June 10, 1997, Ohio submitted revisions to the maintenance plans for the Toledo area (including Lucas and Wood counties), the Cleveland/Akron/Lorain area (including Lorain, Cuyahoga, Lake, Ashtabula, Geauga, Medina, Summit and Portage counties), and the Dayton-Springfield area (including Montgomery, Clark, Greene, and Miami counties). The revisions consist of an allocation of a portion of the safety margin in each area to the transportation conformity mobile source budget for that area. The mobile source budgets for transportation conformity purposes for Toledo are now: 35.85 tons per day of volatile organic compound emissions for the year 2005 and 35.19 tons per day of oxides of nitrogen emissions for the year 2005. The mobile source budgets for transportation conformity purposes for Cleveland-Akron-Lorain are now: 82.7 tons per day of volatile organic compound emissions for the year 2006 and 104.4 tons per day of oxides of nitrogen emissions for the year 2006. For the Dayton-Springfield area, the oxides of nitrogen mobile source budget remains the same and the mobile source budget for volatile organic compounds is now 34.1 tons per day.

(7) Approval—On October 20, 1997, Ohio submitted a revision to the maintenance plan for the Jefferson County area. The revision consists of an allocation of a portion of the safety margin in the area to the transportation conformity mobile source budget for that area. The mobile source budget for transportation conformity purposes for Jefferson County are now: 5.1 tons per day of volatile organic compound emissions for the year 2005 and 4.4 tons per day of oxides of nitrogen emissions for the year 2005.

(8) Approval—On April 27, 1998, Ohio submitted a revision to remove the air quality triggers from the ozone maintenance plans for the following areas in Ohio: Canton (Stark County), Cleveland (Lorain, Cuyahoga, Lake, Ashtabula, Geauga, Medina, Summit and Portage Counties), Columbus (Franklin, Delaware and Licking Counties), Steubenville (Jefferson County), Toledo (Lucas and Wood Counties), Youngstown (Mahoning and Trumbull Counties) as well as Clinton County, Columbiana County, and Preble County.

(9) Approval—On March 13, 1998, Ohio submitted a revision to the maintenance plan for the Columbus area. The revision consists of establishing a new out year for the area's emissions budget. The new out year emissions projections include reductions from point and area sources; the revision also defines new safety margins according to the difference between the areas 1990 baseline inventory and the out year projection. Additionally, the revision consists of allocating a portion of the Columbus area's safety margins to the transportation conformity mobile source emissions budget. The mobile source budgets for transportation conformity purposes for the Columbus area are now: 67.99 tons per day of volatile organic compound emissions for the year 2010 and 70.99 tons per day of oxides of nitrogen emissions for the year 2010.

(10) Approval—On April 27, 1998, Ohio submitted a revision to remove the air quality triggers from the ozone maintenance plan for the Dayton-Springfield, Ohio Area (Miami, Montgomery, Clark, and Greene Counties).

(11) Approval—On March 18, 1999, Ohio submitted a revision to the maintenance plan for the Stark County (Canton) area. The revision consists of allocating a portion of the Stark County area's safety margins to the transportation conformity mobile source emissions budgets. The mobile source budgets for transportation conformity purposes for the Stark County area are now: 17.34 tons per day of volatile organic compound emissions for the year 2005 and 13.00 tons per day of oxides of nitrogen emissions for the year 2005.

(12) Approval—On June 1, 1999, Ohio submitted a revision to the ozone maintenance plan for the Dayton/Springfield area. The revision consists of revising the point source growth estimates and allocating 5.5 tons per day of VOCs to the transportation conformity mobile source emissions budget. The mobile source VOC budget for transportation conformity purposes for the Dayton/Springfield area is now: 39.6 tons per day of volatile organic compound emissions for the year 2005. The approval also corrects a typographical error in the maintenance plan point and area source numbers for 2005.

(13) Approval—On August 19, 1999, Ohio submitted a revision to the ozone maintenance plan for the Columbiana County area. The revision consists of allocating a portion of the Columbiana County area's NOX safety margin to the transportation conformity mobile source emissions budget. The mobile source emissions budgets for transportation conformity purposes for the Columbiana County area are now: 5.65 tons per day of volatile organic compound emissions for the year 2005 and 5.55 tons per day of oxides of nitrogen emissions for the year 2005. This approval only changes the NOX transportation conformity emission budget for Columbiana County.

(14) Approval-EPA is approving the 1-hour ozone maintenance plan for the Ohio portion of the Cincinnati-Hamilton area submitted by Ohio on May 20, 2005. The approved maintenance plan establishes 2015 mobile source budgets for the Ohio portion of the area (Butler, Clermont, Hamilton, and Warren Counties) for the purposes of transportation conformity. These budgets are 26.2 tons per day for volatile organic compounds and 39.5 tons per day for nitrogen oxides for the year 2015.

(15) Approval—On May 31, 2001, Ohio submitted a revision to the ozone maintenance plan for the Cleveland/Akron/Lorain area. The revision consists of allocating a portion of the Cleveland/Akron/Lorain area's NOX safety margin to the transportation conformity mobile source emissions budget. The mobile source emissions budgets for transportation conformity purposes for the Cleveland/Akron/Lorain area are now: 92.7 tons per day of volatile organic compound emissions for the year 2006 and 104.4 tons per day of oxides of nitrogen emissions for the year 2006. This approval only changes the VOC transportation conformity emission budget for Cleveland/Akron/Lorain.

(16) Approval—On April 19, 2004, Ohio submitted a revision to the ozone maintenance plan for the Cincinnati, Ohio area. The revision consists of allocating a portion of the area's NOX safety margin to the transportation conformity motor vehicle emissions budget. The motor vehicle emissions budget for NOX for the Cincinnati, Ohio area is now 62.3 tons per day for the year 2010. This approval only changes the NOX transportation conformity emission budget for Cincinnati, Ohio.

(17) Approval—On March 1, 2005, Ohio submitted a revision to the 1-hour ozone maintenance plan for Clinton County, Ohio. The revision consists of allocating a portion of the area's oxides of nitrogen (NOX) safety margin to the transportation conformity motor vehicle emissions budget. The motor vehicle emissions budget for NOX for the Clinton County, Ohio area is now 3.45 tons per day for the year 2006. This approval only changes the NOX transportation conformity emission budget for Clinton County, Ohio.

(b) The maintenance plans for the following counties are approved:

(1) Preble County.

(2) Columbiana County.

(3) Jefferson County.

(4) Montgomery, Greene, Miami, and Clark Counties. This plan includes implementation of Stage II vapor recovery and an enhanced vehicle inspection and maintenance program.

(5) Lucas and Wood Counties.

(6) Franklin, Delaware, and Licking Counties.

(7) Stark County.

(8) Mahoning and Trumbull Counties.

(9) Clinton County

(10) Lorain, Cuyahoga, Lake, Ashtabula, Geauga, Medina, Summit, and Portage Counties.

(11) Butler, Clermont, Hamilton, and Warren Counties.

(c) Disapproval. USEPA disapproves the compliance schedule in revised rule 04(c)(18) of Chapter 3745-21 of the Ohio Administrative Code as it applies to facilities formerly covered by the compliance schedule in old rule 04(c)(1) of Chapter 3745-21. This disapproval in and of itself does not result in the growth restrictions of section 110(a)(2)(I).

(d) Part D—No Action. USEPA at this time takes no action on the vehicle inspection and maintenance (I/M) program required for those non-attainment areas which have requested an extension to demonstrate ozone attainment.

(e)-(q) [Reserved]

(r) Approval—USEPA is approving two exemption requests submitted by the Ohio Environmental Protection Agency on September 20, 1993, and November 8, 1993, for the Toledo and Dayton ozone nonattainment areas, respectively, from the requirements contained in Section 182(f) of the Clean Air Act. This approval exempts the Lucas, Wood, Clark, Greene, Miami, and Montgomery Counties from the requirements to implement reasonably available control technology (RACT) for major sources of nitrogen oxides (NOX), nonattainment area new source review (NSR) for new sources and modifications that are major for NOX, and the NOX-related requirements of the general and transportation conformity provisions. For the Dayton ozone nonattainment area, the Dayton local area has opted for an enhanced inspection and maintenance (I/M) program. Upon final approval of this exemption, the Clark, Greene, Miami, and Montgomery Counties shall not be required to demonstrate compliance with the enhanced I/M performance standard for NOX. If a violation of the ozone NAAQS is monitored in the Toledo or Dayton area(s), the exemptions from the requirements of Section 182(f) of the Act in the applicable area(s) shall no longer apply.

(s) Approval—The 1990 base-year ozone emissions inventory requirement of Section 182(a)(1) of the Clean Air Act has been satisfied for the following ozone nonattainment areas: Toledo (Lucas and Wood Counties) and Dayton (Clark, Greene, Miami, and Montgomery Counties).

(t) [Reserved]

(u) Approval—The 1990 base-year ozone emissions inventory requirement of Section 182(a)(1) of the Clean Air Act has been satisfied for the Columbus ozone nonattainment area (which includes the Counties of Delaware, Franklin, and Licking).

(v) Approval—The 1990 base-year ozone emissions inventory requirement of Section 182(a)(1) of the Clean Air Act has been satisfied for the Canton (Stark County); Cincinnati-Hamilton (Butler, Clermont, Hamilton and Warren Counties); Cleveland-Akron-Lorain (Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage and Summit Counties); and Youngstown-Warren-Sharon (Mahoning and Trumbull Counties) areas.

(w) Determination—USEPA is determining that, as of May 7, 1996, the Cleveland-Akron-Lorain ozone nonattainment area (which includes the Counties of Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage and Summit) have attained the ozone standard and that the reasonable further progress and attainment demonstration requirements of section 182(b)(1) and related requirements of section 172(c)(9) of the Clean Air Act do not apply to the area.

(x) Approval—EPA is approving requests submitted by the State of Ohio on March 18, November 1, and November 15, 1994, for exemption from the requirements contained in section 182(f) of the Clean Air Act. This approval exempts the following counties in Ohio from the NOX related general and transportation conformity provisions; nonattainment area NSR for new sources and modifications that are major for NOX: Clinton, Columbiana, Delaware, Franklin, Jefferson, Licking, Mahoning, Preble, Stark, and Trumbull. This approval also exempts the following counties in Ohio from the NOX related general and transportation conformity provisions; nonattainment area NSR for new sources and modifications that are major for NOX; NOX RACT; and a demonstration of compliance with the enhanced I/M performance standard for NOX: Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, and Summit.

(y) Approval—The 1990 base-year ozone emissions inventory requirement of Section 182(a)(1) of the Clean Air Act has been satisfied for Clinton County.

(z) The 15 percent rate-of-progress requirement of section 182(b) of the Clean Air Act, as amended in 1990, is satisfied for the Ohio portion of the Cincinnati-Hamilton ozone nonattainment area.

(aa) [Reserved]

(bb) Ohio's November 7, 1996, request for a one-year attainment date extension for the Ohio portion of the Cincinnati-Hamilton metropolitan moderate ozone nonattainment area which consists of Hamilton, Butler, Clermont and Warren Counties is approved. The date for attaining the ozone standard in these counties is November 15, 1997.

(cc) Ohio's November 14, 1997, request for a one-year attainment date extension for the Ohio portion of the Cincinnati-Hamilton metropolitan moderate ozone nonattainment area which consists of Hamilton, Butler, Clermont and Warren Counties is approved. The date for attaining the ozone standard in these counties is November 15, 1998.

(dd) Determination—EPA is determining that, as of July 5, 2000, the Ohio portion of Cincinnati-Hamilton ozone nonattainment area (which includes the Counties of Butler, Clermont, Hamilton and Warren) has attained the 1-hour ozone standard and that the attainment demonstration requirements of section 182(b)(1), 182(j), and 172(c)(1), along with the section 172(c)(9) contingency measure requirements, do not apply to the area.

(ee) Approval—EPA is approving an exemption from the requirements contained in section 182(f) of the Clean Air Act. This approval exempts Butler, Clermont, Hamilton, and Warren counties in Ohio from the NOX related general conformity provisions; the nitrogen oxides nonattainment NSR for new sources and modifications that are major for NOX; NOX RACT; and a demonstration of compliance with the enhanced automobile inspection and maintenance performance standard for NOX.

(ff) Approval—The 1997 8-hour ozone standard maintenance plans for the following areas have been approved:

(1) Jefferson County, as submitted on July 31, 2006 and supplemented on October 3, 2006. The maintenance plan establishes 2009 motor vehicle emissions budgets (MVEBs) for Jefferson County of 2.63 tons per day (tpd) of volatile organic compounds (VOCs) and 4.10 tpd of oxides of nitrogen (NOX), and 2018 motor vehicle emission budgets of 1.37 tpd of VOCs and 1.67 tpd of NOX.

(2) Belmont County, as submitted on June 20, 2006, and supplemented on August 24, 2006, and December 4, 2006. The maintenance plan establishes 2009 MVEBs for Belmont County of 2.60 tpd of VOC and 4.69 tpd of NOX, and 2018 MVEBs of 1.52 tpd of VOCs and 1.91 tpd of NOX.

(3) Allen County and Stark County, as submitted on June 20, 2006, and supplemented on August 24, 2006, and December 4, 2006. The maintenance plan establishes 2009 MVEBs for Allen County of 5.08 tpd of VOCs and 8.28 tpd of NOX, and 2018 MVEBs for Allen County of 2.89 tpd of VOCs and 3.47 tpd of NOX. For Stark County the 2009 MVEBs are 10.02 tpd of VOCs and 18.03 tpd of NOX, and the 2018 budgets are 5.37 tpd of VOC and 7.08 tpd of NOX.

(4) Washington County, as submitted on September 22, 2006, and supplemented on November 17, 2006. The maintenance plan establishes 2009 MVEBs for Washington County of 2.59 tpd of VOCs and 3.58 tpd of NOX, and 2018 MVEBs for Washington county of 1.67 tpd of VOCs and 1.76 tpd of NOX.

(5) Mahoning, Trumbull and Columbiana Counties, as submitted on February 15, 2007. The maintenance plan establishes 2009 and 2018 motor vehicle emission budgets for Mahoning, Trumbull and Columbiana Counties. The 2009 motor vehicle emission budgets are 19.58 tons per day for volatile organic compounds (VOC) and 33.71 tons per day for oxides of nitrogen (NOX). For 2018 the budgets are 10.36 tons per day for VOC and 13.29 tons per day for NOX.

(6) On December 22, 2006, and supplemented on March 9, 2007, the State of Ohio submitted a redesignation request and maintenance plan for the Toledo area, including Lucas and Wood Counties. The maintenance plan for this area establishes motor vehicle emission budgets (MVEB) for 2009 and 2018. The 2009 MVEBs are 18.99 tons/day of Volatile Organic Compounds (VOC) and 33.75 tons/day for Oxides of Nitrogen (NOX). The 2018 MVEBs are 11.20 tons/day of VOCs and 14.11 tons/day for NOX.

(7) The Dayton-Springfield area which includes Clark, Greene, Miami, and Montgomery Counties, as submitted on November 6, 2006, and supplemented on November 29, 2006, December 4, 2006, December 13, 2006, January 11, 2007, March 9, 2007, March 27, 2007, and May 31, 2007. The maintenance plan for this area establishes Motor Vehicle Emissions Budgets (MVEB) for 2005 and 2018. The 2005 MVEBs are 29.19 tpd of VOC and 63.88 tpd of NOX. The 2018 MVEBs are 14.73 tpd of VOCs and 21.42 tpd of NOX.

(8) Approval—On March 17, 2009, the Ohio Environmental Protection Agency submitted a request to redesignate the Columbus area to attainment of the 8-hour ozone NAAQS. As part of the redesignation request, the state submitted a maintenance plan as required by section 175A of the Clean Air Act. Elements of the section 175 maintenance plan include a contingency plan and an obligation to submit a subsequent maintenance plan revision in 8 years as required by the Clean Air Act. The 2012 motor vehicle emissions budgets for the Columbus area are 54.86 tpd for VOC and 91.64 tpd for NOX. The 2020 motor vehicle emissions budgets for the area are 36.60 tpd for VOC and 46.61 tpd for NOX.

(9) Approval—On March 17, 2009, and April 24, 2009, the Ohio Environmental Protection Agency submitted a request to redesignate the Cleveland-Akron-Lorain area to attainment of the 8-hour ozone NAAQS. As part of the redesignation request, the state submitted a maintenance plan as required by section 175A of the Clean Air Act. Elements of the section 175 maintenance plan include a contingency plan and an obligation to submit a subsequent maintenance plan revision in 8 years as required by the Clean Air Act. The 2012 motor vehicle emissions budgets for the Cleveland-Akron-Lorain area are 46.64 tpd for VOC and 95.89 tpd for NOX. The 2020 motor vehicle emissions budgets for the area are 31.48 tpd for VOC and 42.75 tpd for NOX.

(10) Approval—On December 14, 2009, the Ohio Environmental Protection Agency submitted a request to redesignate the Ohio portion of the Cincinnati-Hamilton, OH-KY-IN area to attainment of the 8-hour ozone NAAQS. As part of the redesignation request, the State submitted a maintenance plan as required by section 175A of the Clean Air Act. Elements of the section 175 maintenance plan include a contingency plan and an obligation to submit a subsequent maintenance plan revision in 8 years as required by the Clean Air Act. The 2015 motor vehicle emissions budgets for the Ohio and Indiana portions of the Cincinnati-Hamilton, OH-KY-IN area are 31.73 tpd for VOC and 49.00 tpd for NOX. The 2020 motor vehicle emissions budgets for the Ohio and Indiana portions of the area are 28.82 tpd for VOC and 34.39 tpd for NOX.

(11) Approval—On July 6, 2010, the Ohio Environmental Protection Agency submitted a request to revise the maintenance plan for the Ohio portion of the Cincinnati-Hamilton, OH-KY-IN 8-hour ozone area. The submittal revises 2015 and 2020 NOX point source emissions projections for Butler County.

(12) Approval—On June 29, 2012, Ohio submitted a request to revise the approved MOBILE6.2 motor vehicle emission budgets (budgets) in the 1997 8-hour ozone maintenance plan for the Ohio and Indiana portions of the Cincinnati-Hamilton, OH-KY-IN 8-hour ozone area. The budgets are being revised with budgets developed with the MOVES2010a model. The 2015 motor vehicle emissions budgets for the Ohio and Indiana portions are 56.06 tpd VOC and 94.25 tpd NOX. The 2020 motor vehicle emissions budgets for the Ohio and Indiana portions of the area are 42.81 tpd VOC and 73.13 tpd for NOX.

(13) Approval—On October 30, 2012, and December 12, 2012, Ohio submitted a request to revise the approved MOBILE6.2 motor vehicle emission budgets (budgets) in the 1997 8-hour ozone maintenance plans for the Cleveland-Akron-Lorain and Columbus, Ohio areas. The budgets are being revised with budgets developed with the MOVES2010a model. The 2012 motor vehicle emissions budgets for the Cleveland-Akron-Lorain, Ohio area are 81.54 tpd VOC and 189.27 tpd NOX. The 2020 motor vehicle emissions budgets for the Cleveland-Akron-Lorain, Ohio area are 43.17 tpd VOC and 108.36 tpd NOX. The 2012 motor vehicle emissions budgets for the Columbus, Ohio area are 93.99 tpd VOC and 188.85 tpd NOX. The 2020 motor vehicle emissions budgets for the Columbus, Ohio area are 50.34 tpd VOC and 99.12 tpd NOX.

(14) Approval—On December 7, 2012, Ohio submitted a request to revise the approved MOBILE6.2 motor vehicle emission budgets (budgets) in the 1997 8-hour ozone maintenance plan for the Canton-Massillon, Ohio area. The budgets are being revised with budgets developed with the MOVES2010a model. The 2009 motor vehicle emissions budgets for the Canton-Massillon, Ohio area are 19.17 tpd VOC and 28.36 tpd NOX. The 2018 motor vehicle emissions budgets for the Canton-Massillon, Ohio area are 9.02 tpd VOC and 11.37 tpd NOX.

(15) Approval—On December 7, 2012, Ohio submitted a request to revise the approved MOBILE6.2 motor vehicle emission budgets (budgets) in the 1997 8-hour ozone maintenance plan for the Ohio portion of the Wheeling area. The budgets are being revised with budgets developed with the MOVES2010a model. The 2009 motor vehicle emissions budgets for the Ohio portion of the Wheeling area are 4.70 tpd VOC and 13.30 tpd NOX. The 2018 motor vehicle emissions budgets for the Ohio portion of the Wheeling area are 2.15 tpd VOC and 5.18 tpd NOX.

(16) Approval—On January 11, 2013, Ohio submitted a request to revise the approved MOBILE6.2 motor vehicle emission budgets (budgets) in the 1997 8-hour ozone maintenance plan for the Lima, Ohio area. The budgets are being revised with budgets developed with the MOVES2010a model. The 2009 motor vehicle emissions budgets for the Lima, Ohio area are 5.39 tpd VOC and 10.65 tpd NOX. The 2018 motor vehicle emissions budgets for the Lima, Ohio area are 2.38 tpd VOC and 6.18 tpd NOX.

(17) Approval—On February 11, 2013, Ohio submitted a request to revise the approved MOBILE6.2 onroad mobile source emissions inventories and motor vehicle emission budgets (budgets) in the 1997 8-hour ozone maintenance plan for the Dayton-Springfield, Ohio area. The inventories and budgets are being revised with inventories and budgets developed with the MOVES2010a model. The 2005 budgets for the Dayton-Springfield, Ohio area are 53.37 tons per day (tpd) VOC and 84.66 tpd NOX. The 2018 budgets for the Dayton-Springfield, Ohio area are 22.35 tpd VOC and 32.47 tpd NOX.

(18) Approval—On March 15, 2013, Ohio submitted a request to revise the approved MOBILE6.2 onroad mobile source emissions inventories and motor vehicle emission budgets (budgets) in the 1997 8-hour ozone maintenance plan for the Ohio portion of the Steubenville-Weirton, West Virginia-Ohio area. The inventories and budgets are being revised with inventories and budgets developed with the MOVES2010a model. The 2009 budgets for the Ohio portion of the Steubenville-Weirton, West Virginia-Ohio area are 4.83 tons per day (tpd) VOC and 5.91 tpd NOX. The 2018 budgets for the Ohio portion of the Steubenville-Weirton, West Virginia-Ohio area are 2.14 tpd VOC and 2.43 tpd NOX.

(19) Approval—On April 18, 2013, Ohio submitted a request to revise the approved MOBILE6.2 onroad inventories and motor vehicle emission budgets (budgets) in the 1997 8-hour ozone maintenance plan for the Toledo, Ohio area. The inventories and budgets are being revised with budgets developed with the MOVES2010a model. The 2009 budgets for the Toledo, Ohio area are 21.61 tons per day (tpd) VOC and 46.78 tpd NOX. The 2018 budgets for the Toledo, Ohio area are 9.36 tpd VOC and 17.64 tpd NOX.

(20) Approval—On April 26, 2013, Ohio submitted a request to revise the approved MOBILE6.2 onroad mobile source emissions inventories and motor vehicle emission budgets (budgets) in the 1997 8-hour ozone maintenance plan for the Ohio portion of the Parkersburg-Marietta, West Virginia-Ohio area. The inventories and budgets are being revised with inventories and budgets developed with the MOVES2010a model. The 2009 budgets for the Ohio portion of the Parkersburg-Marietta, West Virginia-Ohio area are 4.15 tons per day (tpd) VOC and 7.33 tpd NOX. The 2018 budgets for the Ohio portion of the Parkersburg-Marietta, West Virginia-Ohio area are 1.93 tpd VOC and 3.25 tpd NOX.

(gg) Approval—EPA is approving requests submitted by the State of Ohio on April 4, 2005, and supplemented on May 20, 2005, February 14, 2006, May 9, 2006, October 6, 2006, and February 19, 2008, to discontinue the vehicle inspection and maintenance (I/M) program in the Cincinnati-Hamilton and Dayton-Springfield areas. The submittal also includes Ohio's demonstration that eliminating the I/M programs in the Cincinnati-Hamilton and Dayton-Springfield areas will not interfere with the attainment and maintenance of the ozone NAAQS and the fine particulate NAAQS and with the attainment and maintenance of other air quality standards and requirements of the CAA. We are further approving Ohio's request to modify the SIP such that I/M is no longer an active program in these areas and is instead a contingency measure in these areas' maintenance plans.

(hh) 8-hour Emissions Inventories.

(1) Approval—Ohio's 2002 inventory satisfies the base year emissions inventory requirements of section 172(c)(3) of the Clean Air Act for the Columbus area under the 1997 8-hour ozone standard.

(2) Approval—Ohio's 2002 inventory satisfies the base year emissions inventory requirements of section 182(a)(1) of the Clean Air Act for the Cleveland-Akron-Lorain area under the 1997 8-hour ozone standard.

(ii) Approval—The 15 percent Volatile Organic Compound reasonable further progress plan for the Cleveland-Akron-Lorain 1-hour ozone area, submitted by Ohio on June 15, 2007, and February 22, 2008, satisfies the requirements of section 182(b)(1) of the Clean Air Act.

(3) Approval—Ohio's 2005 inventory satisfies the base year emissions inventory requirements of section 172(c)(3) of the Clean Air Act for the Ohio portion of the Cincinnati-Hamilton, OH-KY-IN area under the 1997 8-hour ozone standard.

(jj) Approval—EPA is approving exemptions under section 182(f) from requirements for reasonably available control technology for oxides of nitrogen for the Cleveland-Akron-Lorain 8-hour ozone nonattainment area with respect to the 1997 ozone standards. This waiver was requested by Ohio on March 17, 2009.

(kk) Disapproval. EPA is disapproving the coating VOC content limit for high performance architectural aluminum coatings contained in paragraph (U)(1)(h) of chapter 3745-21-09 of the Ohio Administrative Code.

(ll) Approval—On August 20, 2014, the State of Ohio submitted a revision to their Ozone State Implementation Plan. The submittal established transportation conformity “Conformity” criteria and procedures related to interagency consultation, and enforceability of certain transportation related control and mitigation measures.

(mm) On July 18, 2014, Ohio submitted 2008 volatile organic compounds and oxides of nitrogen emission inventories for the Cleveland-Akron-Lorain and Columbus ozone nonattainment areas and for the Ohio portion of the Cincinnati, Ohio-Kentucky-Indiana ozone nonattainment areas as revisions to the Ohio state implementation plan. The documented emission inventories are approved as a revision of the state's implementation plan, meeting emission inventory requirements for the 2008 ozone national ambient air quality standard.

(nn) Determination of attainment. As required by section 181(b)(2)(A) of the Clean Air Act, the EPA has determined that the Cincinnati, OH-KY-IN and Columbus, OH Marginal 2008 ozone nonattainment areas have attained the NAAQS by the applicable attainment date of July 20, 2015.

(oo) Determination of attainment. As required by section 181(b)(2)(A) of the Clean Air Act, EPA has determined that the Cleveland, OH marginal 2008 ozone nonattainment area has attained the NAAQS by the applicable attainment date of July 20, 2016.

(pp) Approval—The 2008 8-hour ozone standard maintenance plans for the following areas have been approved:

(1) Approval—On April 21, 2016, the Ohio Environmental Protection Agency submitted a request to redesignate the Ohio portion of the Cincinnati, OH-KY-IN area to attainment of the 2008 ozone NAAQS. As part of the redesignation request, the State submitted a maintenance plan as required by section 175A of the Clean Air Act. Elements of the section 175 maintenance plan include a contingency plan and an obligation to submit a subsequent maintenance plan revision in 8 years as required by the Clean Air Act. The 2020 motor vehicle emissions budgets for the Ohio and Indiana portions of the Cincinnati, OH-KY-IN area are 30.00 tons per summer day (TPSD) for VOC and 26.77 TPSD for NOX. The 2030 motor vehicle emissions budgets for the Ohio and Indiana portions of the area are 18.22 TPSD for VOC and 16.22 TPSD for NOX.

(2) Approval—On June 16, 2016, the Ohio Environmental Protection Agency submitted a request to redesignate the Columbus area to attainment of the 2008 ozone NAAQS. As part of the redesignation request, the State submitted a maintenance plan as required by section 175A of the Clean Air Act. Elements of the section 175 maintenance plan include a contingency plan and an obligation to submit a subsequent maintenance plan revision in eight years as required by the Clean Air Act. The 2020 motor vehicle emissions budgets for the Columbus area are 50.66 tons per summer day (TPSD) for VOC and 90.54 TPSD for NOX. The 2030 motor vehicle emissions budgets for the Columbus area are 44.31 TPSD for VOC and 85.13 TPSD for NOX.

(3) Approval—On July 6, 2016, the Ohio Environmental Protection Agency submitted a request to redesignate the Cleveland area to attainment of the 2008 ozone NAAQS. As part of the redesignation request, the State submitted a maintenance plan as required by section 175A of the Clean Air Act. Elements of the section 175 maintenance plan include a contingency plan and an obligation to submit a subsequent maintenance plan revision in eight years as required by the Clean Air Act. The 2020 motor vehicle emissions budgets for the Cleveland area are 38.85 tons per summer day (TPSD) for VOC and 61.56 TPSD for NOX. The 2030 motor vehicle emissions budgets for the Cleveland area are 30.80 TPSD for VOC and 43.82 TPSD for NOX.

[45 FR 72142, Oct. 31, 1980]