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Related Material
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Approval of Colorado's Petition To Relax the Federal Gasoline Reid Vapor Pressure Volatility Standard for 1996 and 1997
- Approval of Colorado's Petition to Relax the Federal Gasoline Reid Vapor Pressure Volatility Standard for 1998, 1999, and 2000
- Identification of Ozone Areas Attaining the 1-Hour Standard and to Which the 1-Hour Standard Is No Longer Applicable
- National Ambient Air Quality Standards for Ozone
- Identification of Additional Ozone Areas Attaining the 1-Hour Standard and to Which the 1-Hour Standard is no Longer Applicable
- Identification of Additional Ozone Areas Attaining the 1-Hour Standard and to Which the 1-Hour Standard is No Longer Applicable
- Rescinding Findings That the 1-Hour Ozone Standard No Longer Applies in Certain Areas
- Approval and Promulgation of Air Quality Implementation Plans; State of Colorado; Denver 1-Hour Ozone Redesignation to Attainment, Designation of Areas for Air Quality Planning Purposes, and Approval of Related Revisions
- Approval of Colorado's Petition To Relax the Federal Gasoline Reid Vapor Pressure Volatility Standard for 2001
- Approval and Promulgation of Air Quality Implementation Plans; State of Colorado; Denver 1-Hour Ozone Redesignation to Attainment, Designation of Areas for Air Quality Planning Purposes, and Approval of Related Revisions
- Executive Order 12866 Regulatory Planning and Review
- Executive Order 13045--Protection of Children From Environmental Health Risks and Safety Risks
- Executive Order 13132 - Federalism
- Executive Order 13175 - Consultation and Coordination With Indian Tribal
- Executive Order 13211 - Actions Concerning Regulations That Significantly Affect Energy Supply, Distribution, or Use