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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter C - Air Programs |
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Part 93 - Determining Conformity of Federal Actions to State or Federal Implementation Plans |
| Subpart A - 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 |
| § 93.100 - Purpose. |
| § 93.101 - Definitions. |
| § 93.102 - Applicability. |
| § 93.103 - Priority. |
| § 93.104 - Frequency of conformity determinations. |
| § 93.105 - Consultation. |
| § 93.106 - Content of transportation plans and timeframe of conformity determinations. |
| § 93.107 - Relationship of transportation plan and TIP conformity with the NEPA process. |
| § 93.108 - Fiscal constraints for transportation plans and TIPs. |
| § 93.109 - Criteria and procedures for determining conformity of transportation plans, programs, and projects: General. |
| § 93.110 - Criteria and procedures: Latest planning assumptions. |
| § 93.111 - Criteria and procedures: Latest emissions model. |
| § 93.112 - Criteria and procedures: Consultation. |
| § 93.113 - Criteria and procedures: Timely implementation of TCMs. |
| § 93.114 - Criteria and procedures: Currently conforming transportation plan and TIP. |
| § 93.115 - Criteria and procedures: Projects from a transportation plan and TIP. |
| § 93.116 - Criteria and procedures: Localized CO, PM10, and PM2.5 violations (hot-spots). |
| § 93.117 - Criteria and procedures: Compliance with PM10 and PM2.5 control measures. |
| § 93.118 - Criteria and procedures: Motor vehicle emissions budget. |
| § 93.119 - Criteria and procedures: Interim emissions in areas without motor vehicle emissions budgets. |
| § 93.120 - Consequences of control strategy implementation plan failures. |
| § 93.121 - Requirements for adoption or approval of projects by other recipients of funds designated under title 23 U.S.C. or the Federal Transit Laws. |
| § 93.122 - Procedures for determining regional transportation-related emissions. |
| § 93.123 - Procedures for determining localized CO, PM10, and PM2.5 concentrations (hot-spot analysis). |
| § 93.124 - Using the motor vehicle emissions budget in the applicable implementation plan (or implementation plan submission). |
| § 93.125 - Enforceability of design concept and scope and project-level mitigation and control measures. |
| § 93.126 - Exempt projects. |
| § 93.127 - Projects exempt from regional emissions analyses. |
| § 93.128 - Traffic signal synchronization projects. |
| § 93.129 - Special exemptions from conformity requirements for pilot program areas. |
| Subpart B - Determining Conformity of General Federal Actions to State or Federal Implementation Plans |
| § 93.150 - Prohibition. |
| § 93.151 - State implementation plan (SIP) revision. |
| § 93.152 - Definitions. |
| § 93.153 - Applicability. |
| § 93.154 - Federal agency conformity responsibility. |
| § 93.155 - Reporting requirements. |
| § 93.156 - Public participation. |
| § 93.157 - Reevaluation of conformity. |
| § 93.158 - Criteria for determining conformity of general Federal actions. |
| § 93.159 - Procedures for conformity determinations of general Federal actions. |
| § 93.160 - Mitigation of air quality impacts. |
| § 93.161 - Conformity evaluation for Federal installations with facility-wide emission budgets. |
| § 93.162 - Emissions beyond the time period covered by the SIP. |
| § 93.163 - Timing of offsets and mitigation measures. |
| § 93.164 - Inter-precursor mitigation measures and offsets. |
| § 93.165 - Early emission reduction credit programs at Federal facilities and installation subject to Federal oversight. |