• § 52.2420 - Identification of plan.

• § 52.2421 - Classification of regions.

• § 52.2422 - [Reserved]

• § 52.2423 - Approval status.

• § 52.2424 - Motor vehicle emissions budgets.

• § 52.2425 - Base Year Emissions Inventory.

• § 52.2426 - Photochemical Assessment Monitoring Stations (PAMS) Program.

• § 52.2427 - [Reserved]

• § 52.2428 - Control Strategy: Carbon monoxide and ozone.

• § 52.2429 - Control strategy: Particulate matter.

• § 52.2430 - Determinations of attainment.

• §§ 52.2431-52.2439 - §[Reserved]

• § 52.2440 - Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?

• § 52.2441 - Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?

• §§ 52.2442-52.2450 - §[Reserved]

• § 52.2451 - Significant deterioration of air quality.

• § 52.2452 - Visibility protection.

• § 52.2453 - [Reserved]

• § 52.2454 - Prevention of significant deterioration of air quality for Merck & Co., Inc.'s Stonewall Plant in Elkton, VA.

• § 52.2460 - Small business stationary source technical and environmental compliance assistance program.

• § 52.2465 - Original identification of plan section.