Part 51 - REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS  


Subparts B-E [Reserved]
Subparts B-E [Reserved]
Subpart A—Air Emissions Reporting Requirements
§ 51.1 Who is responsible for actions described in this subpart?
§ 51.5 What tools are available to help prepare and report emissions data?
§ 51.10 [Reserved]
§ 51.15 What data does my state need to report to EPA?
§ 51.20 What are the emission thresholds that separate point and nonpoint sources?
§ 51.25 What geographic area must my state's inventory cover?
§ 51.30 When does my state report which emissions data to EPA?
§ 51.35 How can my state equalize the emission inventory effort from year to year?
§ 51.40 In what form and format should my state report the data to EPA?
§ 51.45 Where should my state report the data?
§ 51.50 What definitions apply to this subpart?
Appendix A to Subpart A of Part 51—Tables
Subpart F—Procedural Requirements
§ 51.100 Definitions.
§ 51.101 Stipulations.
§ 51.102 Public hearings.
§ 51.103 Submission of plans, preliminary review of plans.
§ 51.104 Revisions.
§ 51.105 Approval of plans.
Subpart G—Control Strategy
§ 51.110 Attainment and maintenance of national standards.
§ 51.111 Description of control measures.
§ 51.112 Demonstration of adequacy.
§ 51.113 [Reserved]
§ 51.114 Emissions data and projections.
§ 51.115 Air quality data and projections.
§ 51.116 Data availability.
§ 51.117 Additional provisions for lead.
§ 51.118 Stack height provisions.
§ 51.119 Intermittent control systems.
§ 51.120 Requirements for State Implementation Plan revisions relating to new motor vehicles.
§ 51.121 Findings and requirements for submission of State implementation plan revisions relating to emissions of nitrogen oxides.
§ 51.122 Emissions reporting requirements for SIP revisions relating to budgets for NOX emissions.
§ 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.
§ 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.
§ 51.125 [Reserved]
§ 51.126 Determination of widespread use of ORVR and waiver of CAA section 182(b)(3) Stage II gasoline vapor recovery requirements.
Subpart H—Prevention of Air Pollution Emergency Episodes
§ 51.150 Classification of regions for episode plans.
§ 51.151 Significant harm levels.
§ 51.152 Contingency plans.
§ 51.153 Reevaluation of episode plans.
Subpart I—Review of New Sources and Modifications
§ 51.160 Legally enforceable procedures.
§ 51.161 Public availability of information.
§ 51.162 Identification of responsible agency.
§ 51.163 Administrative procedures.
§ 51.164 Stack height procedures.
§ 51.165 Permit requirements.
§ 51.166 Prevention of significant deterioration of air quality.
Subpart J—Ambient Air Quality Surveillance
§ 51.190 Ambient air quality monitoring requirements.
Subpart K—Source Surveillance
§ 51.210 General.
§ 51.211 Emission reports and recordkeeping.
§ 51.212 Testing, inspection, enforcement, and complaints.
§ 51.213 Transportation control measures.
§ 51.214 Continuous emission monitoring.
Subpart L—Legal Authority
§ 51.230 Requirements for all plans.
§ 51.231 Identification of legal authority.
§ 51.232 Assignment of legal authority to local agencies.
Subpart M—Intergovernmental Consultation
§ 51.240 General plan requirements.
§ 51.241 Nonattainment areas for carbon monoxide and ozone.
§ 51.242 [Reserved]
Subpart N—Compliance Schedules
§ 51.260 Legally enforceable compliance schedules.
§ 51.261 Final compliance schedules.
§ 51.262 Extension beyond one year.
Subpart O—Miscellaneous Plan Content Requirements
§ 51.280 Resources.
§ 51.281 Copies of rules and regulations.
§ 51.285 Public notification.
§ 51.286 Electronic reporting.
Subpart P—Protection of Visibility
§ 51.300 Purpose and applicability.
§ 51.301 Definitions.
§ 51.302 Reasonably attributable visibility impairment.
§ 51.303 Exemptions from control.
§ 51.304 Identification of integral vistas.
§ 51.305 Monitoring for reasonably attributable visibility impairment.
§ 51.306 [Reserved]
§ 51.307 New source review.
§ 51.308 Regional haze program requirements.
§ 51.309 Requirements related to the Grand Canyon Visibility Transport Commission.
Subpart Q—Reports
§ 51.320 Annual air quality data report.
§ 51.321 Annual source emissions and State action report.
§ 51.322 Sources subject to emissions reporting.
§ 51.323 Reportable emissions data and information.
§ 51.324 Progress in plan enforcement.
§ 51.326 Reportable revisions.
§ 51.327 Enforcement orders and other State actions.
§ 51.328 [Reserved]
Subpart R—Extensions
§ 51.341 Request for 18-month extension.
Subpart S—Inspection/Maintenance Program Requirements
§ 51.350 Applicability.
§ 51.351 Enhanced I/M performance standard.
§ 51.352 Basic I/M performance standard.
§ 51.353 Network type and program evaluation.
§ 51.354 Adequate tools and resources.
§ 51.355 Test frequency and convenience.
§ 51.356 Vehicle coverage.
§ 51.357 Test procedures and standards.
§ 51.358 Test equipment.
§ 51.359 Quality control.
§ 51.360 Waivers and compliance via diagnostic inspection.
§ 51.361 Motorist compliance enforcement.
§ 51.362 Motorist compliance enforcement program oversight.
§ 51.363 Quality assurance.
§ 51.364 Enforcement against contractors, stations and inspectors.
§ 51.365 Data collection.
§ 51.366 Data analysis and reporting.
§ 51.367 Inspector training and licensing or certification.
§ 51.368 Public information and consumer protection.
§ 51.369 Improving repair effectiveness.
§ 51.370 Compliance with recall notices.
§ 51.371 On-road testing.
§ 51.372 State Implementation Plan submissions.
§ 51.373 Implementation deadlines.
Appendix B to Subpart S of Part 51—Test Procedures
Appendix C to Subpart S of Part 51—Steady-State Short Test Standards
Appendix D to Subpart S of Part 51—Steady-State Short Test Equipment
Appendix E to Subpart S of Part 51—Transient Test Driving Cycle
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
§ 51.390 Implementation plan revision.
Subpart U—Economic Incentive Programs
§ 51.490 Applicability.
§ 51.491 Definitions.
§ 51.492 State program election and submittal.
§ 51.493 State program requirements.
§ 51.494 Use of program revenues.
Subpart W—Determining Conformity of General Federal Actions to State or Federal Implementation Plans
§ 51.850 [Reserved]
§ 51.851 State implementation plan (SIP) or Tribal implementation plan (TIP) revision.
§§ 51.852-51.860 [Reserved]
Subpart X—Provisions for Implementation of 8-hour Ozone National Ambient Air Quality Standard
§ 51.900 Definitions.
§ 51.901 Applicability of part 51.
§ 51.902 Which classification and nonattainment area planning provisions of the CAA shall apply to areas designated nonattainment for the 1997 8-hour NAAQS?
§ 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)?
§ 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)?
§ 51.905 How do areas transition from the 1-hour NAAQS to the 1997 8-hour NAAQS and what are the anti-backsliding provisions?
§ 51.906 Redesignation to nonattainment following initial designations for the 8-hour NAAQS.
§ 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?
§ 51.908 What modeling and attainment demonstration requirements apply for purposes of the 8-hour ozone NAAQS?
§ 51.909 [Reserved]
§ 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?
§ 51.911 [Reserved]
§ 51.912 What requirements apply for reasonably available control technology (RACT) and reasonably available control measures (RACM) under the 8-hour NAAQS?
§ 51.913 How do the section 182(f) NOX exemption provisions apply for the 8-hour NAAQS?
§ 51.914 What new source review requirements apply for 8-hour ozone nonattainment areas?
§ 51.915 What emissions inventory requirements apply under the 8-hour NAAQS?
§ 51.916 What are the requirements for an Ozone Transport Region under the 8-hour NAAQS?
§ 51.917 What is the effective date of designation for the Las Vegas, NV, 8-hour ozone nonattainment area?
§ 51.918 Can any SIP planning requirements be suspended in 8-hour ozone nonattainment areas that have air quality data that meets the NAAQS?
§ 5.918 xxx
§ 51.919 Applicability.
Subpart Y—Mitigation Requirements
§ 51.930 Mitigation of Exceptional Events.
Subpart Z—Provisions for Implementation of PM2.5 National Ambient Air Quality Standards
§ 51.1000 Definitions.
§ 51.1001 Applicability of part 51.
§ 51.1002 Classifications and reclassifications.
§ 51.1003 Attainment plan due dates and submission requirements.
§ 51.1004 Attainment dates.
§ 51.1005 Attainment date extensions.
§ 51.1006 Optional PM2.5 precursor demonstrations
§ 51.1007 [Reserved]
§ 51.1008 Emissions inventory requirements.
§ 51.1009 Moderate area attainment plan control strategy requirements.
§ 51.1010 Serious area attainment plan control strategy requirements.
§ 51.1011 Attainment demonstration and modeling requirements.
§ 51.1012 Reasonable further progress (RFP) requirements.
§ 51.1013 Quantitative milestone requirements.
§ 51.1014 Contingency measure requirements.
§ 51.1015 Clean data requirements.
§ 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.
Subpart AA—Provisions for Implementation of the 2008 Ozone National Ambient Air Quality Standards
§ 51.1100 Definitions.
§ 51.1101 Applicability of Part 51.
§ 51.1102 Classification and nonattainment area planning provisions.
§ 51.1103 Application of classification and attainment date provisions in CAA section 181 to areas subject to §51.1102.
§ 51.1104 [Reserved]
§ 51.1105 Transition from the 1997 ozone NAAQS to the 2008 ozone NAAQS and anti-backsliding.
§ 51.1106 Redesignation to nonattainment following initial designations.
§ 51.1107 Determining eligibility for 1-year attainment date extensions for the 2008 ozone NAAQS under CAA section 181(a)(5).
§ 51.1108 Modeling and attainment demonstration requirements.
§ 51.1109 [Reserved]
§ 51.1110 Requirements for reasonable further progress (RFP).
§ 51.1111 [Reserved]
§ 51.1112 Requirements for reasonably available control technology (RACT) and reasonably available control measures (RACM).
§ 51.1113 Section 182(f) NOX exemption provisions.
§ 51.1114 New source review requirements.
§ 51.1115 Emissions inventory requirements.
§ 51.1116 Requirements for an Ozone Transport Region.
§ 51.1117 Fee programs for Severe and Extreme nonattainment areas that fail to attain.
§ 51.1118 Suspension of SIP planning requirements in nonattainment areas that have air quality data that meet an ozone NAAQS.
§ 51.1119 Applicability.
§ 51.1104-52.1119 xxx
Subpart BB—Data Requirements for Characterizing Air Quality for the Primary SO2 NAAQS
§ 51.1200 Definitions.
§ 51.1201 Purpose.
§ 51.1202 Applicability.
§ 51.1203 Air agency requirements.
§ 51.1204 Enforceable emission limits providing for attainment.
§ 51.1205 Ongoing data requirements.
Subpart CC—Provisions for Implementation of the 2015 Ozone National Ambient Air Quality Standards
§ 51.1300 Definitions.
§ 51.1301 Applicability of this part.
§ 51.1302 Classification and nonattainment area planning provisions.
§ 51.1303 Application of classification and attainment date provisions in CAA section 181 to areas subject to §51.1302.
§ 51.1304 xxx
§ 51.1305 xxx
§ 51.1306 Redesignation to nonattainment following initial designations.
§ 51.1307 Determining eligibility for 1-year attainment date extensions for an 8-hour ozone NAAQS under CAA section 181(a)(5).
§ 51.1308 Modeling and attainment demonstration requirements.
§ 51.1309 [Reserved]
§ 51.1310 Requirements for reasonable further progress (RFP).
§ 51.1311 [Reserved]
§ 51.1312 Requirements for reasonably available control technology (RACT) and reasonably available control measures (RACM).
§ 51.1313 Section 182(f) NOX exemption provisions.
§ 51.1314 New source review requirements.
§ 51.1315 Emissions inventory requirements.
§ 51.1316 Requirements for an Ozone Transport Region.
§ 51.1317 Fee programs for Severe and Extreme nonattainment areas that fail to attain.
§ 51.1318 Suspension of SIP planning requirements in nonattainment areas that have air quality data that meet an ozone NAAQS.
§ 51.1319 [Reserved]
§§ 51.1304-51.1305 [Reserved]
Appendix A to Appendix W of Part 51—Summaries of Preferred Air Quality Models
Appendix L to Part 51—Example Regulations for Prevention of Air Pollution Emergency Episodes
Appendix M to Part 51—Recommended Test Methods for State Implementation Plans
Appendix P to Part 51—Minimum Emission Monitoring Requirements
Appendix S to Part 51—Emission Offset Interpretative Ruling
Appendix V to Part 51—Criteria for Determining the Completeness of Plan Submissions
Appendix W to Part 51—Guideline on Air Quality Models
Appendix X to Part 51—Examples of Economic Incentive Programs
Appendix Y to Part 51—Guidelines for BART Determinations Under the Regional Haze Rule
Appendixes A-K to Part 51 [Reserved]
Appendixes N-O to Part 51 [Reserved]
Appendixes Q-R to Part 51 [Reserved]
Appendixes T-U to Part 51 [Reserved]

Authority

23 U.S.C. 101; 42 U.S.C. 7401–7671q.

Source

36 FR 22398, Nov. 25, 1971, unless otherwise noted.