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Related Material
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Approval and Promulgation of Implementation Plans; Ohio
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- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of Michigan
- Approval and Promulgation of Implementation Plans; Ohio
- Control of Air Pollution From New Motor Vehicles: Tier 2 Motor Vehicle Emissions Standards and Gasoline Sulfur Control Requirements
- Approval and Promulgation of Air Quality Implementation Plans; Utah; Emission Statement Regulation, Ozone Nonattainment Area Designation, Definitions
- Executive Order 13045--Protection of Children From Environmental Health Risks and Safety Risks
- Federalism: Executive Order 13132 of August 4, 1999