---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part52/subpartVV"
level: "subpart"
label: "Subpart VV"
heading: "Virginia"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part52-subpartVV"
sections_count: 21
---

# Subpart VV — Virginia

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter C — Air Programs › Part 52 — Approval and Promulgation of Implementation Plans

## Sections

- [§52.2420. Identification of plan.](/cfr/40/52.2420.md)
- [§52.2421. Classification of regions.](/cfr/40/52.2421.md)
- [§52.2422. Reserved](/cfr/40/52.2422.md)
- [§52.2423. Approval status.](/cfr/40/52.2423.md)
- [§52.2424. Motor vehicle emissions budgets.](/cfr/40/52.2424.md)
- [§52.2425. Base Year Emissions Inventory.](/cfr/40/52.2425.md)
- [§52.2426. Photochemical Assessment Monitoring Stations (PAMS) Program.](/cfr/40/52.2426.md)
- [§52.2427. Reserved](/cfr/40/52.2427.md)
- [§52.2428. Control Strategy: Carbon monoxide and ozone.](/cfr/40/52.2428.md)
- [§52.2429. Control strategy: Particulate matter.](/cfr/40/52.2429.md)
- [§52.2430. Determinations of attainment.](/cfr/40/52.2430.md)
- [§52.2431-52.2439. Reserved](/cfr/40/52.2431-52.2439.md)
- [§52.2440. Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?](/cfr/40/52.2440.md)
- [§52.2441. Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?](/cfr/40/52.2441.md)
- [§52.2442-52.2450. Reserved](/cfr/40/52.2442-52.2450.md)
- [§52.2451. Significant deterioration of air quality.](/cfr/40/52.2451.md)
- [§52.2452. Visibility protection.](/cfr/40/52.2452.md)
- [§52.2453. Reserved](/cfr/40/52.2453.md)
- [§52.2454. Prevention of significant deterioration of air quality for Merck & Co., Inc.'s Stonewall Plant in Elkton, VA.](/cfr/40/52.2454.md)
- [§52.2460. Small business stationary source technical and environmental compliance assistance program.](/cfr/40/52.2460.md)
- [§52.2465. Original identification of plan section.](/cfr/40/52.2465.md)