---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part52/subpartRR"
level: "subpart"
label: "Subpart RR"
heading: "Tennessee"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part52-subpartRR"
sections_count: 22
---

# Subpart RR — Tennessee

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

- [§52.2219. Reserved](/cfr/40/52.2219.md)
- [§52.2220. Identification of plan.](/cfr/40/52.2220.md)
- [§52.2221. Classification of regions.](/cfr/40/52.2221.md)
- [§52.2222. Approval status.](/cfr/40/52.2222.md)
- [§52.2223. Compliance schedules.](/cfr/40/52.2223.md)
- [§52.2224. Legal authority.](/cfr/40/52.2224.md)
- [§52.2225. VOC rule deficiency correction.](/cfr/40/52.2225.md)
- [§52.2226. Reserved](/cfr/40/52.2226.md)
- [§52.2227. Prevention of air pollution emergency episodes.](/cfr/40/52.2227.md)
- [§52.2228. Review of new sources and modifications.](/cfr/40/52.2228.md)
- [§52.2229. Rules and regulations.](/cfr/40/52.2229.md)
- [§52.2230. Reserved](/cfr/40/52.2230.md)
- [§52.2231. Control strategy: Sulfur oxides and particulate matter.](/cfr/40/52.2231.md)
- [§52.2232. Determination of attainment.](/cfr/40/52.2232.md)
- [§52.2233. Significant deterioration of air quality.](/cfr/40/52.2233.md)
- [§52.2234. Reserved](/cfr/40/52.2234.md)
- [§52.2235. Control strategy: Ozone.](/cfr/40/52.2235.md)
- [§52.2236. Control strategy; lead.](/cfr/40/52.2236.md)
- [§52.2237. NO X RACT and NO X conformity exemption.](/cfr/40/52.2237.md)
- [§52.2239. Original Identification of plan section.](/cfr/40/52.2239.md)
- [§52.2240. Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?](/cfr/40/52.2240.md)
- [§52.2241. Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?](/cfr/40/52.2241.md)