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Home Page > Executive Branch > Code of Federal Regulations > Electronic Code of Federal Regulations
e-CFR Data is current as of February 4, 2010
TITLE 40--Protection of Environment
CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C--AIR PROGRAMS
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
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| Frequency of conformity determinations. |
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| Content of transportation plans and timeframe of conformity determinations. |
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| Relationship of transportation plan and TIP conformity with the NEPA process. |
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| Fiscal constraints for transportation plans and TIPs. |
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| Criteria and procedures for determining conformity of transportation plans, programs, and projects: General. |
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| Criteria and procedures: Latest planning assumptions. |
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| Criteria and procedures: Latest emissions model. |
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| Criteria and procedures: Consultation. |
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| Criteria and procedures: Timely implementation of TCMs. |
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| Criteria and procedures: Currently conforming transportation plan and TIP. |
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| Criteria and procedures: Projects from a transportation plan and TIP. |
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| Criteria and procedures: Localized CO, PM10, and PM2.5 violations (hot-spots). |
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| Criteria and procedures: Compliance with PM10 and PM2.5 control measures. |
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| Criteria and procedures: Motor vehicle emissions budget. |
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| Criteria and procedures: Interim emissions in areas without motor vehicle emissions budgets. |
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| Consequences of control strategy implementation plan failures. |
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| Requirements for adoption or approval of projects by other recipients of funds designated under title 23 U.S.C. or the Federal Transit Laws. |
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| Procedures for determining regional transportation-related emissions. |
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| Procedures for determining localized CO, PM10, and PM2.5 concentrations (hot-spot analysis). |
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| Using the motor vehicle emissions budget in the applicable implementation plan (or implementation plan submission). |
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| Enforceability of design concept and scope and project-level mitigation and control measures. |
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| Projects exempt from regional emissions analyses. |
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| Traffic signal synchronization projects. |
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| Special exemptions from conformity requirements for pilot program areas. |
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Subpart B--DETERMINING CONFORMITY OF GENERAL FEDERAL ACTIONS TO STATE OR FEDERAL IMPLEMENTATION PLANS
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| State implementation plan (SIP) revision. |
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| Frequency of conformity determinations. |
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| Criteria for determining conformity of general Federal actions. |
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| Procedures for conformity determinations of general Federal actions. |
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| Mitigation of air quality impacts. |
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