Title 40

PART 51

Part 51 - Requirements For Preparation, Adoption, And Submittal Of Implementation Plans

PART 51 - REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS Authority:23 U.S.C. 101; 42 U.S.C. 7401-7671q. Source:36 FR 22398, Nov. 25, 1971, unless otherwise noted.

40:2.0.1.1.2.1SUBPART A
Subpart A - Air Emissions Reporting Requirements
40:2.0.1.1.2.1.6SUBJGRP 6
   General Information for Inventory Preparers
40:2.0.1.1.2.1.6.1SECTION 51.1
   51.1 Who is responsible for actions described in this subpart
40:2.0.1.1.2.1.6.2SECTION 51.5
   51.5 What tools are available to help prepare and report emissions data
40:2.0.1.1.2.1.6.3SECTION 51.10
   51.10 [Reserved]
40:2.0.1.1.2.1.7SUBJGRP 7
   Specific Reporting Requirements
40:2.0.1.1.2.1.7.4SECTION 51.15
   51.15 What data does my state need to report to EPA
40:2.0.1.1.2.1.7.5SECTION 51.20
   51.20 What are the emission thresholds that separate point and nonpoint sources
40:2.0.1.1.2.1.7.6SECTION 51.25
   51.25 What geographic area must my state's inventory cover
40:2.0.1.1.2.1.7.7SECTION 51.30
   51.30 When does my state report which emissions data to EPA
40:2.0.1.1.2.1.7.8SECTION 51.35
   51.35 How can my state equalize the emission inventory effort from year to year
40:2.0.1.1.2.1.7.9SECTION 51.40
   51.40 In what form and format should my state report the data to EPA
40:2.0.1.1.2.1.7.10SECTION 51.45
   51.45 Where should my state report the data
40:2.0.1.1.2.1.7.11SECTION 51.50
   51.50 What definitions apply to this subpart
40:2.0.1.1.2.1.8.12.23APPENDIX Appendix A
   Appendix A to Subpart A of Part 51 - Tables
40:2.0.1.1.2.2SUBPART B
Subparts B-E [Reserved]
40:2.0.1.1.2.3SUBPART F
Subpart F - Procedural Requirements
40:2.0.1.1.2.3.8.1SECTION 51.100
   51.100 Definitions.
40:2.0.1.1.2.3.8.2SECTION 51.101
   51.101 Stipulations.
40:2.0.1.1.2.3.8.3SECTION 51.102
   51.102 Public hearings.
40:2.0.1.1.2.3.8.4SECTION 51.103
   51.103 Submission of plans, preliminary review of plans.
40:2.0.1.1.2.3.8.5SECTION 51.104
   51.104 Revisions.
40:2.0.1.1.2.3.8.6SECTION 51.105
   51.105 Approval of plans.
40:2.0.1.1.2.4SUBPART G
Subpart G - Control Strategy
40:2.0.1.1.2.4.8.1SECTION 51.110
   51.110 Attainment and maintenance of national standards.
40:2.0.1.1.2.4.8.2SECTION 51.111
   51.111 Description of control measures.
40:2.0.1.1.2.4.8.3SECTION 51.112
   51.112 Demonstration of adequacy.
40:2.0.1.1.2.4.8.4SECTION 51.113
   51.113 [Reserved]
40:2.0.1.1.2.4.8.5SECTION 51.114
   51.114 Emissions data and projections.
40:2.0.1.1.2.4.8.6SECTION 51.115
   51.115 Air quality data and projections.
40:2.0.1.1.2.4.8.7SECTION 51.116
   51.116 Data availability.
40:2.0.1.1.2.4.8.8SECTION 51.117
   51.117 Additional provisions for lead.
40:2.0.1.1.2.4.8.9SECTION 51.118
   51.118 Stack height provisions.
40:2.0.1.1.2.4.8.10SECTION 51.119
   51.119 Intermittent control systems.
40:2.0.1.1.2.4.8.11SECTION 51.120
   51.120 Requirements for State Implementation Plan revisions relating to new motor vehicles.
40:2.0.1.1.2.4.8.12SECTION 51.121
   51.121 Findings and requirements for submission of State implementation plan revisions relating to emissions of nitrogen oxides.
40:2.0.1.1.2.4.8.13SECTION 51.122
   51.122 Emissions reporting requirements for SIP revisions relating to budgets for NOX emissions.
40:2.0.1.1.2.4.8.14SECTION 51.123
   51.123 Findings and requirements for submission of State implementation plan revisions relating to emissions of oxides of nitrogen pursuant to the Clean Air Interstate Rule.
40:2.0.1.1.2.4.8.15SECTION 51.124
   51.124 Findings and requirements for submission of State implementation plan revisions relating to emissions of sulfur dioxide pursuant to the Clean Air Interstate Rule.
40:2.0.1.1.2.4.8.16SECTION 51.125
   51.125 [Reserved]
40:2.0.1.1.2.4.8.17SECTION 51.126
   51.126 Determination of widespread use of ORVR and waiver of CAA section 182(b)(3) Stage II gasoline vapor recovery requirements.
40:2.0.1.1.2.5SUBPART H
Subpart H - Prevention of Air Pollution Emergency Episodes
40:2.0.1.1.2.5.8.1SECTION 51.150
   51.150 Classification of regions for episode plans.
40:2.0.1.1.2.5.8.2SECTION 51.151
   51.151 Significant harm levels.
40:2.0.1.1.2.5.8.3SECTION 51.152
   51.152 Contingency plans.
40:2.0.1.1.2.5.8.4SECTION 51.153
   51.153 Reevaluation of episode plans.
40:2.0.1.1.2.6SUBPART I
Subpart I - Review of New Sources and Modifications
40:2.0.1.1.2.6.8.1SECTION 51.160
   51.160 Legally enforceable procedures.
40:2.0.1.1.2.6.8.2SECTION 51.161
   51.161 Public availability of information.
40:2.0.1.1.2.6.8.3SECTION 51.162
   51.162 Identification of responsible agency.
40:2.0.1.1.2.6.8.4SECTION 51.163
   51.163 Administrative procedures.
40:2.0.1.1.2.6.8.5SECTION 51.164
   51.164 Stack height procedures.
40:2.0.1.1.2.6.8.6SECTION 51.165
   51.165 Permit requirements.
40:2.0.1.1.2.6.8.7SECTION 51.166
   51.166 Prevention of significant deterioration of air quality.
40:2.0.1.1.2.7SUBPART J
Subpart J - Ambient Air Quality Surveillance
40:2.0.1.1.2.7.8.1SECTION 51.190
   51.190 Ambient air quality monitoring requirements.
40:2.0.1.1.2.8SUBPART K
Subpart K - Source Surveillance
40:2.0.1.1.2.8.8.1SECTION 51.210
   51.210 General.
40:2.0.1.1.2.8.8.2SECTION 51.211
   51.211 Emission reports and recordkeeping.
40:2.0.1.1.2.8.8.3SECTION 51.212
   51.212 Testing, inspection, enforcement, and complaints.
40:2.0.1.1.2.8.8.4SECTION 51.213
   51.213 Transportation control measures.
40:2.0.1.1.2.8.8.5SECTION 51.214
   51.214 Continuous emission monitoring.
40:2.0.1.1.2.9SUBPART L
Subpart L - Legal Authority
40:2.0.1.1.2.9.8.1SECTION 51.230
   51.230 Requirements for all plans.
40:2.0.1.1.2.9.8.2SECTION 51.231
   51.231 Identification of legal authority.
40:2.0.1.1.2.9.8.3SECTION 51.232
   51.232 Assignment of legal authority to local agencies.
40:2.0.1.1.2.10SUBPART M
Subpart M - Intergovernmental Consultation
40:2.0.1.1.2.10.8SUBJGRP 8
   Agency Designation
40:2.0.1.1.2.10.8.1SECTION 51.240
   51.240 General plan requirements.
40:2.0.1.1.2.10.8.2SECTION 51.241
   51.241 Nonattainment areas for carbon monoxide and ozone.
40:2.0.1.1.2.10.8.3SECTION 51.242
   51.242 [Reserved]
40:2.0.1.1.2.11SUBPART N
Subpart N - Compliance Schedules
40:2.0.1.1.2.11.9.1SECTION 51.260
   51.260 Legally enforceable compliance schedules.
40:2.0.1.1.2.11.9.2SECTION 51.261
   51.261 Final compliance schedules.
40:2.0.1.1.2.11.9.3SECTION 51.262
   51.262 Extension beyond one year.
40:2.0.1.1.2.12SUBPART O
Subpart O - Miscellaneous Plan Content Requirements
40:2.0.1.1.2.12.9.1SECTION 51.280
   51.280 Resources.
40:2.0.1.1.2.12.9.2SECTION 51.281
   51.281 Copies of rules and regulations.
40:2.0.1.1.2.12.9.3SECTION 51.285
   51.285 Public notification.
40:2.0.1.1.2.12.9.4SECTION 51.286
   51.286 Electronic reporting.
40:2.0.1.1.2.13SUBPART P
Subpart P - Protection of Visibility
40:2.0.1.1.2.13.9.1SECTION 51.300
   51.300 Purpose and applicability.
40:2.0.1.1.2.13.9.2SECTION 51.301
   51.301 Definitions.
40:2.0.1.1.2.13.9.3SECTION 51.302
   51.302 Reasonably attributable visibility impairment.
40:2.0.1.1.2.13.9.4SECTION 51.303
   51.303 Exemptions from control.
40:2.0.1.1.2.13.9.5SECTION 51.304
   51.304 Identification of integral vistas.
40:2.0.1.1.2.13.9.6SECTION 51.305
   51.305 Monitoring for reasonably attributable visibility impairment.
40:2.0.1.1.2.13.9.7SECTION 51.306
   51.306 [Reserved]
40:2.0.1.1.2.13.9.8SECTION 51.307
   51.307 New source review.
40:2.0.1.1.2.13.9.9SECTION 51.308
   51.308 Regional haze program requirements.
40:2.0.1.1.2.13.9.10SECTION 51.309
   51.309 Requirements related to the Grand Canyon Visibility Transport Commission.
40:2.0.1.1.2.14SUBPART Q
Subpart Q - Reports
40:2.0.1.1.2.14.9SUBJGRP 9
   Air Quality Data Reporting
40:2.0.1.1.2.14.9.1SECTION 51.320
   51.320 Annual air quality data report.
40:2.0.1.1.2.14.10SUBJGRP 10
   Source Emissions and State Action Reporting
40:2.0.1.1.2.14.10.2SECTION 51.321
   51.321 Annual source emissions and State action report.
40:2.0.1.1.2.14.10.3SECTION 51.322
   51.322 Sources subject to emissions reporting.
40:2.0.1.1.2.14.10.4SECTION 51.323
   51.323 Reportable emissions data and information.
40:2.0.1.1.2.14.10.5SECTION 51.324
   51.324 Progress in plan enforcement.
40:2.0.1.1.2.14.10.6SECTION 51.326
   51.326 Reportable revisions.
40:2.0.1.1.2.14.10.7SECTION 51.327
   51.327 Enforcement orders and other State actions.
40:2.0.1.1.2.14.10.8SECTION 51.328
   51.328 [Reserved]
40:2.0.1.1.2.15SUBPART R
Subpart R - Extensions
40:2.0.1.1.2.15.11.1SECTION 51.341
   51.341 Request for 18-month extension.
40:2.0.1.1.2.16SUBPART S
Subpart S - Inspection/Maintenance Program Requirements
40:2.0.1.1.2.16.11.1SECTION 51.350
   51.350 Applicability.
40:2.0.1.1.2.16.11.2SECTION 51.351
   51.351 Enhanced I/M performance standard.
40:2.0.1.1.2.16.11.3SECTION 51.352
   51.352 Basic I/M performance standard.
40:2.0.1.1.2.16.11.4SECTION 51.353
   51.353 Network type and program evaluation.
40:2.0.1.1.2.16.11.5SECTION 51.354
   51.354 Adequate tools and resources.
40:2.0.1.1.2.16.11.6SECTION 51.355
   51.355 Test frequency and convenience.
40:2.0.1.1.2.16.11.7SECTION 51.356
   51.356 Vehicle coverage.
40:2.0.1.1.2.16.11.8SECTION 51.357
   51.357 Test procedures and standards.
40:2.0.1.1.2.16.11.9SECTION 51.358
   51.358 Test equipment.
40:2.0.1.1.2.16.11.10SECTION 51.359
   51.359 Quality control.
40:2.0.1.1.2.16.11.11SECTION 51.360
   51.360 Waivers and compliance via diagnostic inspection.
40:2.0.1.1.2.16.11.12SECTION 51.361
   51.361 Motorist compliance enforcement.
40:2.0.1.1.2.16.11.13SECTION 51.362
   51.362 Motorist compliance enforcement program oversight.
40:2.0.1.1.2.16.11.14SECTION 51.363
   51.363 Quality assurance.
40:2.0.1.1.2.16.11.15SECTION 51.364
   51.364 Enforcement against contractors, stations and inspectors.
40:2.0.1.1.2.16.11.16SECTION 51.365
   51.365 Data collection.
40:2.0.1.1.2.16.11.17SECTION 51.366
   51.366 Data analysis and reporting.
40:2.0.1.1.2.16.11.18SECTION 51.367
   51.367 Inspector training and licensing or certification.
40:2.0.1.1.2.16.11.19SECTION 51.368
   51.368 Public information and consumer protection.
40:2.0.1.1.2.16.11.20SECTION 51.369
   51.369 Improving repair effectiveness.
40:2.0.1.1.2.16.11.21SECTION 51.370
   51.370 Compliance with recall notices.
40:2.0.1.1.2.16.11.22SECTION 51.371
   51.371 On-road testing.
40:2.0.1.1.2.16.11.23SECTION 51.372
   51.372 State Implementation Plan submissions.
40:2.0.1.1.2.16.11.24SECTION 51.373
   51.373 Implementation deadlines.
40:2.0.1.1.2.16.11.25.24APPENDIX Appendix A
   Appendix A to Subpart S of Part 51 - Calibrations, Adjustments and Quality Control
40:2.0.1.1.2.16.11.25.25APPENDIX Appendix B
   Appendix B to Subpart S of Part 51 - Test Procedures
40:2.0.1.1.2.16.11.25.26APPENDIX Appendix C
   Appendix C to Subpart S of Part 51 - Steady-State Short Test Standards
40:2.0.1.1.2.16.11.25.27APPENDIX Appendix D
   Appendix D to Subpart S of Part 51 - Steady-State Short Test Equipment
40:2.0.1.1.2.16.11.25.28APPENDIX Appendix E
   Appendix E to Subpart S of Part 51 - Transient Test Driving Cycle
40:2.0.1.1.2.17SUBPART T
Subpart T - Conformity to State or Federal Implementation Plans of Transportation Plans, Programs, and Projects Developed, Funded or Approved Under Title 23 U.S.C. or the Federal Transit Laws
40:2.0.1.1.2.17.11.1SECTION 51.390
   51.390 Implementation plan revision.
40:2.0.1.1.2.18SUBPART U
Subpart U - Economic Incentive Programs
40:2.0.1.1.2.18.11.1SECTION 51.490
   51.490 Applicability.
40:2.0.1.1.2.18.11.2SECTION 51.491
   51.491 Definitions.
40:2.0.1.1.2.18.11.3SECTION 51.492
   51.492 State program election and submittal.
40:2.0.1.1.2.18.11.4SECTION 51.493
   51.493 State program requirements.
40:2.0.1.1.2.18.11.5SECTION 51.494
   51.494 Use of program revenues.
40:2.0.1.1.2.19SUBPART W
Subpart W - Determining Conformity of General Federal Actions to State or Federal Implementation Plans
40:2.0.1.1.2.19.11.1SECTION 51.850
   51.850 [Reserved]
40:2.0.1.1.2.19.11.2SECTION 51.851
   51.851 State implementation plan (SIP) or Tribal implementation plan (TIP) revision.
40:2.0.1.1.2.19.11.3SECTION 51.852-51.860
   51.852-51.860 [Reserved]
40:2.0.1.1.2.20SUBPART X
Subpart X - Provisions for Implementation of 8-hour Ozone National Ambient Air Quality Standard
40:2.0.1.1.2.20.11.1SECTION 51.900
   51.900 Definitions.
40:2.0.1.1.2.20.11.2SECTION 51.901
   51.901 Applicability of part 51.
40:2.0.1.1.2.20.11.3SECTION 51.902
   51.902 Which classification and nonattainment area planning provisions of the CAA shall apply to areas designated nonattainment for the 1997 8-hour NAAQS
40:2.0.1.1.2.20.11.4SECTION 51.903
   51.903 How do the classification and attainment date provisions in section 181 of subpart 2 of the CAA apply to areas subject to § 51.902(a)
40:2.0.1.1.2.20.11.5SECTION 51.904
   51.904 How do the classification and attainment date provisions in section 172(a) of subpart 1 of the CAA apply to areas subject to § 51.902(b)
40:2.0.1.1.2.20.11.6SECTION 51.905
   51.905 How do areas transition from the 1-hour NAAQS to the 1997 8-hour NAAQS and what are the anti-backsliding provisions
40:2.0.1.1.2.20.11.7SECTION 51.906
   51.906 Redesignation to nonattainment following initial designations for the 8-hour NAAQS.
40:2.0.1.1.2.20.11.8SECTION 51.907
   51.907 For an area that fails to attain the 8-hour NAAQS by its attainment date, how does EPA interpret sections 172(a)(2)(C)(ii) and 181(a)(5)(B) of the CAA
40:2.0.1.1.2.20.11.9SECTION 51.908
   51.908 What modeling and attainment demonstration requirements apply for purposes of the 8-hour ozone NAAQS
40:2.0.1.1.2.20.11.10SECTION 51.909
   51.909 [Reserved]
40:2.0.1.1.2.20.11.11SECTION 51.910
   51.910 What requirements for reasonable further progress (RFP) under sections 172(c)(2) and 182 apply for areas designated nonattainment for the 8-hour ozone NAAQS
40:2.0.1.1.2.20.11.12SECTION 51.911
   51.911 [Reserved]
40:2.0.1.1.2.20.11.13SECTION 51.912
   51.912 What requirements apply for reasonably available control technology (RACT) and reasonably available control measures (RACM) under the 8-hour NAAQS
40:2.0.1.1.2.20.11.14SECTION 51.913
   51.913 How do the section 182(f) NOX exemption provisions apply for the 8-hour NAAQS
40:2.0.1.1.2.20.11.15SECTION 51.914
   51.914 What new source review requirements apply for 8-hour ozone nonattainment areas
40:2.0.1.1.2.20.11.16SECTION 51.915
   51.915 What emissions inventory requirements apply under the 8-hour NAAQS
40:2.0.1.1.2.20.11.17SECTION 51.916
   51.916 What are the requirements for an Ozone Transport Region under the 8-hour NAAQS
40:2.0.1.1.2.20.11.18SECTION 51.917
   51.917 What is the effective date of designation for the Las Vegas, NV, 8-hour ozone nonattainment area
40:2.0.1.1.2.20.11.19SECTION 51.918
   51.918 Can any SIP planning requirements be suspended in 8-hour ozone nonattainment areas that have air quality data that meets the NAAQS
40:2.0.1.1.2.20.11.20SECTION 51.919
   51.919 Applicability.
40:2.0.1.1.2.21SUBPART Y
Subpart Y - Mitigation Requirements
40:2.0.1.1.2.21.11.1SECTION 51.930
   51.930 Mitigation of Exceptional Events.
40:2.0.1.1.2.22SUBPART Z
Subpart Z - Provisions for Implementation of PM2.5 National Ambient Air Quality Standards
40:2.0.1.1.2.22.11.1SECTION 51.1000
   51.1000 Definitions.
40:2.0.1.1.2.22.11.2SECTION 51.1001
   51.1001 Applicability of part 51.
40:2.0.1.1.2.22.11.3SECTION 51.1002
   51.1002 Classifications and reclassifications.
40:2.0.1.1.2.22.11.4SECTION 51.1003
   51.1003 Attainment plan due dates and submission requirements.
40:2.0.1.1.2.22.11.5SECTION 51.1004
   51.1004 Attainment dates.
40:2.0.1.1.2.22.11.6SECTION 51.1005
   51.1005 Attainment date extensions.
40:2.0.1.1.2.22.11.7SECTION 51.1006
   51.1006 Optional PM2.5 precursor demonstrations
40:2.0.1.1.2.22.11.8SECTION 51.1007
   51.1007 [Reserved]
40:2.0.1.1.2.22.11.9SECTION 51.1008
   51.1008 Emissions inventory requirements.
40:2.0.1.1.2.22.11.10SECTION 51.1009
   51.1009 Moderate area attainment plan control strategy requirements.
40:2.0.1.1.2.22.11.11SECTION 51.1010
   51.1010 Serious area attainment plan control strategy requirements.
40:2.0.1.1.2.22.11.12SECTION 51.1011
   51.1011 Attainment demonstration and modeling requirements.
40:2.0.1.1.2.22.11.13SECTION 51.1012
   51.1012 Reasonable further progress (RFP) requirements.
40:2.0.1.1.2.22.11.14SECTION 51.1013
   51.1013 Quantitative milestone requirements.
40:2.0.1.1.2.22.11.15SECTION 51.1014
   51.1014 Contingency measure requirements.
40:2.0.1.1.2.22.11.16SECTION 51.1015
   51.1015 Clean data requirements.
40:2.0.1.1.2.22.11.17SECTION 51.1016
   51.1016 Continued applicability of the FIP and SIP requirements pertaining to interstate transport under CAA section 110(a)(2)(D)(i) and (ii) after revocation of the 1997 primary annual PM2.5 NAAQS.
40:2.0.1.1.2.23SUBPART AA
Subpart AA - Provisions for Implementation of the 2008 Ozone National Ambient Air Quality Standards
40:2.0.1.1.2.23.11.1SECTION 51.1100
   51.1100 Definitions.
40:2.0.1.1.2.23.11.2SECTION 51.1101
   51.1101 Applicability of part 51.
40:2.0.1.1.2.23.11.3SECTION 51.1102
   51.1102 Classification and nonattainment area planning provisions.
40:2.0.1.1.2.23.11.4SECTION 51.1103
   51.1103 Application of classification and attainment date provisions in CAA section 181 to areas subject to § 51.1102.
40:2.0.1.1.2.23.11.5SECTION 51.1104
   51.1104 [Reserved]
40:2.0.1.1.2.23.11.6SECTION 51.1105
   51.1105 Transition from the 1997 ozone NAAQS to the 2008 ozone NAAQS and anti-backsliding.
40:2.0.1.1.2.23.11.7SECTION 51.1106
   51.1106 Redesignation to nonattainment following initial designations.
40:2.0.1.1.2.23.11.8SECTION 51.1107
   51.1107 Determining eligibility for 1-year attainment date extensions for the 2008 ozone NAAQS under CAA section 181(a)(5).
40:2.0.1.1.2.23.11.9SECTION 51.1108
   51.1108 Modeling and attainment demonstration requirements.
40:2.0.1.1.2.23.11.10SECTION 51.1109
   51.1109 [Reserved]
40:2.0.1.1.2.23.11.11SECTION 51.1110
   51.1110 Requirements for reasonable further progress (RFP).
40:2.0.1.1.2.23.11.12SECTION 51.1111
   51.1111 [Reserved]
40:2.0.1.1.2.23.11.13SECTION 51.1112
   51.1112 Requirements for reasonably available control technology (RACT) and reasonably available control measures (RACM).
40:2.0.1.1.2.23.11.14SECTION 51.1113
   51.1113 Section 182(f) NOX exemption provisions.
40:2.0.1.1.2.23.11.15SECTION 51.1114
   51.1114 New source review requirements.
40:2.0.1.1.2.23.11.16SECTION 51.1115
   51.1115 Emissions inventory requirements.
40:2.0.1.1.2.23.11.17SECTION 51.1116
   51.1116 Requirements for an Ozone Transport Region.
40:2.0.1.1.2.23.11.18SECTION 51.1117
   51.1117 Fee programs for Severe and Extreme nonattainment areas that fail to attain.
40:2.0.1.1.2.23.11.19SECTION 51.1118
   51.1118 Suspension of SIP planning requirements in nonattainment areas that have air quality data that meet an ozone NAAQS.
40:2.0.1.1.2.23.11.20SECTION 51.1119
   51.1119 Applicability.
40:2.0.1.1.2.24SUBPART BB
Subpart BB - Data Requirements for Characterizing Air Quality for the Primary SO2 NAAQS
40:2.0.1.1.2.24.11.1SECTION 51.1200
   51.1200 Definitions.
40:2.0.1.1.2.24.11.2SECTION 51.1201
   51.1201 Purpose.
40:2.0.1.1.2.24.11.3SECTION 51.1202
   51.1202 Applicability.
40:2.0.1.1.2.24.11.4SECTION 51.1203
   51.1203 Air agency requirements.
40:2.0.1.1.2.24.11.5SECTION 51.1204
   51.1204 Enforceable emission limits providing for attainment.
40:2.0.1.1.2.24.11.6SECTION 51.1205
   51.1205 Ongoing data requirements.
40:2.0.1.1.2.25SUBPART CC
Subpart CC - Provisions for Implementation of the 2015 Ozone National Ambient Air Quality Standards
40:2.0.1.1.2.25.11.1SECTION 51.1300
   51.1300 Definitions.
40:2.0.1.1.2.25.11.2SECTION 51.1301
   51.1301 Applicability of this part.
40:2.0.1.1.2.25.11.3SECTION 51.1302
   51.1302 Classification and nonattainment area planning provisions.
40:2.0.1.1.2.25.11.4SECTION 51.1303
   51.1303 Application of classification and attainment date provisions in CAA section 181 to areas subject to § 51.1302.
40:2.0.1.1.2.25.11.5SECTION 51.1304-51.1305
   51.1304-51.1305 [Reserved]
40:2.0.1.1.2.25.11.6SECTION 51.1306
   51.1306 Redesignation to nonattainment following initial designations.
40:2.0.1.1.2.25.11.7SECTION 51.1307
   51.1307 Determining eligibility for 1-year attainment date extensions for an 8-hour ozone NAAQS under CAA section 181(a)(5).
40:2.0.1.1.2.25.11.8SECTION 51.1308
   51.1308 Modeling and attainment demonstration requirements.
40:2.0.1.1.2.25.11.9SECTION 51.1309
   51.1309 [Reserved]
40:2.0.1.1.2.25.11.10SECTION 51.1310
   51.1310 Requirements for reasonable further progress (RFP).
40:2.0.1.1.2.25.11.11SECTION 51.1311
   51.1311 [Reserved]
40:2.0.1.1.2.25.11.12SECTION 51.1312
   51.1312 Requirements for reasonably available control technology (RACT) and reasonably available control measures (RACM).
40:2.0.1.1.2.25.11.13SECTION 51.1313
   51.1313 Section 182(f) NOX exemption provisions.
40:2.0.1.1.2.25.11.14SECTION 51.1314
   51.1314 New source review requirements.
40:2.0.1.1.2.25.11.15SECTION 51.1315
   51.1315 Emissions inventory requirements.
40:2.0.1.1.2.25.11.16SECTION 51.1316
   51.1316 Requirements for an Ozone Transport Region.
40:2.0.1.1.2.25.11.17SECTION 51.1317
   51.1317 Fee programs for Severe and Extreme nonattainment areas that fail to attain.
40:2.0.1.1.2.25.11.18SECTION 51.1318
   51.1318 Suspension of SIP planning requirements in nonattainment areas that have air quality data that meet an ozone NAAQS.
40:2.0.1.1.2.25.11.19SECTION 51.1319
   51.1319 [Reserved]
40:2.0.1.1.2.25.11.20.29APPENDIX
   Appendixes A-K to Part 51 [Reserved]
40:2.0.1.1.2.25.11.20.30APPENDIX Appendix L
   Appendix L to Part 51 - Example Regulations for Prevention of Air Pollution Emergency Episodes
40:2.0.1.1.2.25.11.20.31APPENDIX Appendix M
   Appendix M to Part 51 - Recommended Test Methods for State Implementation Plans
40:2.0.1.1.2.25.11.20.32APPENDIX
   Appendixes N-O to Part 51 [Reserved]
40:2.0.1.1.2.25.11.20.33APPENDIX Appendix P
   Appendix P to Part 51 - Minimum Emission Monitoring Requirements
40:2.0.1.1.2.25.11.20.34APPENDIX
   Appendixes Q-R to Part 51 [Reserved]
40:2.0.1.1.2.25.11.20.35APPENDIX Appendix S
   Appendix S to Part 51 - Emission Offset Interpretative Ruling
40:2.0.1.1.2.25.11.20.36APPENDIX
   Appendixes T-U to Part 51 [Reserved]
40:2.0.1.1.2.25.11.20.37APPENDIX Appendix V
   Appendix V to Part 51 - Criteria for Determining the Completeness of Plan Submissions
40:2.0.1.1.2.25.11.20.38APPENDIX Appendix W
   Appendix W to Part 51 - Guideline on Air Quality Models
40:2.0.1.1.2.25.11.20.39APPENDIX Appendix X
   Appendix X to Part 51 - Examples of Economic Incentive Programs
40:2.0.1.1.2.25.11.20.40APPENDIX Appendix Y
   Appendix Y to Part 51 - Guidelines for BART Determinations Under the Regional Haze Rule