• § 52.2020 - Identification of plan.

• § 52.2021 - Classification of regions.

• § 52.2022 - [Reserved]

• § 52.2023 - Approval status.

• §§ 52.2024-52.2026 - §[Reserved]

• § 52.2027 - Approval status of Pennsylvania's Generic NOX and VOC RACT Rules.

• §§ 52.2028-52.2032 - §[Reserved]

• § 52.2033 - Control strategy: Sulfur oxides.

• § 52.2034 - [Reserved]

• § 52.2035 - Photochemical Assessment Monitoring Stations (PAMS) Program.

• § 52.2036 - Base year emissions inventory.

• § 52.2037 - Control strategy plans for attainment and rate-of-progress: Ozone.

• § 52.2038 - Rate of Progress Plans: Ozone.

• § 52.2039 - Interstate transport.

• § 52.2040 - Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?

• § 52.2041 - Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?

• § 52.2042 - Visibility protection.

• § 52.2043 - Control strategy for maintenance plans: ozone.

• §§ 52.2044-52.2051 - §[Reserved]

• § 52.2052 - Motor vehicle emissions budgets for Pennsylvania ozone areas.

• § 52.2053 - The Motor Vehicle Emissions Budgets for the Pennsylvania Counties in the Philadelphia-Wilmington, PA-NJ-DE 1997 Fine Particulate Matter Nonattainment Area

• § 52.2054 - Control of asphalt paving material.

• § 52.2055 - Control strategy: Lead.

• § 52.2056 - Determinations of attainment.

• § 52.2057 - [Reserved]

• § 52.2058 - Prevention of significant air quality deterioration.

• § 52.2059 - Control strategy: Particulate matter.

• § 52.2060 - Small Business Assistance Program.

• § 52.2061 - Operating permits.

• § 52.2062 - Plan approvals.

• § 52.2063 - Original identification of plan section.

• § 52.2064 - EPA-approved Source-Specific Reasonably Available Control Technology (RACT) for Volatile Organic Compounds (VOC) and Oxides of Nitrogen (NOX).

• § 52.2065 - Federal implementation plan addressing reasonably available control technology requirements for certain sources.