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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 Air Quality Implementation Plans; Delaware; Nitrogen Oxides Budget Trading Program
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; KY and IN
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Ohio
- Determination of Attainment of Ozone Standard for Salt Lake and Davis Counties, Utah, and Determination Regarding Applicability of Certain Reasonable Further Progress and Attainment Demonstration Requirements
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of Michigan
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Ohio and Kentucky
- Approval and Promulgation of State Implementation Plan; IN
- Kentucky: Approval of Revisions to the Louisville State Implementation Plan
- Approval and Promulgation of Implementation Plans, Kentucky: Approval of Revisions to the Kentucky State Implementation Plan
- Approval and Promulgation of Air Quality Implementation Plans; Kentucky; Approval of Revisions to State Implementation Plan; Revised Format for Materials Being Incorporated by Reference for Jefferson County, KY
- Approval and Promulgation of Implementation Plans; Indiana
- Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Redesignation Request, Maintenance Plan, and Emissions Inventory for the Reading Ozone Nonattainment Area; Policy Change for Ozone Redesignations
- Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Redesignation, Maintenance Plan, and Emissions Inventories for Reading; Ozone Redesignations Policy Change
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of New Jersey; Revised Policy Regarding Applicability of Oxygenated Fuels Requirements
- Clean Air Act Reclassification or Extension of Attainment Date, Kentucky and Indiana; Louisville Nonattainment Area; Ozone
- Approval and Promulgation of Air Quality Implementation Plans; Delaware; Nitrogen Oxides Budget Trading Program
- Clean Air Act Promulgation of Extension of Attainment Date for Ozone Nonattainment Area; Kentucky; Indiana
- Extension of Attainment Dates for Downwind Transport 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 and Promulgation of Air Quality Implementation Plans, and Designation of Areas for Air Quality Planning Purposes; Indiana
- Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania New Source Review and Emissions Registry Regulation
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Ohio
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Ohio
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Ohio
- Approval and Promulgation of Air Quality Implementation Plans, and Designation of Areas for Air Quality Planning Purposes; Ohio
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of Wisconsin
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes: Wisconsin
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes: Wisconsin
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of Louisiana; Correction of Classification; Approval of the Maintenance Plan; Redesignation of Pointe Coupee Parish to Attainment for Ozone
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of Louisiana; Correction of Classification; Approval of the Maintenance Plan; Redesignation of Pointe Coupee Parish to Attainment for Ozone
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of California; Determination Regarding Applicability of Certain Reasonable Further Progress and Attainment Demonstration Requirements; Monterey Bay Area
- Control of Air Pollution From New Motor Vehicles: Tier 2 Motor Vehicle Emissions Standards and Gasoline Sulfur Control Requirements
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Ohio and Kentucky
- Determination of Attainment of Ozone Standard for Salt Lake and Davis Counties, Utah, and Determination Regarding Applicability of Certain Reasonable Further Progress and Attainment Demonstration Requirements
- Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of Michigan
- Executive Order 12866 Regulatory Planning and Review
- Executive Order 13175 - Consultation and Coordination With Indian Tribal
- Executive Order 13132 - Federalism
- Executive Order 13045--Protection of Children From Environmental Health Risks and Safety Risks