---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part52/subpartKK"
level: "subpart"
label: "Subpart KK"
heading: "Ohio"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part52-subpartKK"
sections_count: 24
---

# Subpart KK — Ohio

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

- [§52.1870. Identification of plan.](/cfr/40/52.1870.md)
- [§52.1871. Classification of regions.](/cfr/40/52.1871.md)
- [§52.1872. Reserved](/cfr/40/52.1872.md)
- [§52.1873. Approval status.](/cfr/40/52.1873.md)
- [§52.1874. Reserved](/cfr/40/52.1874.md)
- [§52.1875. Attainment dates for achieving the sulfur dioxide secondary standard.](/cfr/40/52.1875.md)
- [§52.1876. Control strategy: Nitrogen dioxide.](/cfr/40/52.1876.md)
- [§52.1877. Control strategy: Photochemical oxidants (hydrocarbons).](/cfr/40/52.1877.md)
- [§52.1878. Reserved](/cfr/40/52.1878.md)
- [§52.1879. Review of new sources and modifications.](/cfr/40/52.1879.md)
- [§52.1880. Control strategy: Particulate matter.](/cfr/40/52.1880.md)
- [§52.1881. Control strategy: Sulfur oxides (sulfur dioxide).](/cfr/40/52.1881.md)
- [§52.1882. Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of nitrogen oxides?](/cfr/40/52.1882.md)
- [§52.1883. Interstate pollutant transport provisions; What are the FIP requirements for decreases in emissions of sulfur dioxide?](/cfr/40/52.1883.md)
- [§52.1884. Reserved](/cfr/40/52.1884.md)
- [§52.1885. Control strategy: Ozone.](/cfr/40/52.1885.md)
- [§52.1886. Reserved](/cfr/40/52.1886.md)
- [§52.1887. Control strategy: Carbon monoxide.](/cfr/40/52.1887.md)
- [§52.1888. Operating permits.](/cfr/40/52.1888.md)
- [§52.1889. Small business stationary source technical and environmental compliance assistance program.](/cfr/40/52.1889.md)
- [§52.1890-52.1891. Reserved](/cfr/40/52.1890-52.1891.md)
- [§52.1892. Determination of attainment.](/cfr/40/52.1892.md)
- [§52.1893. Control strategy: Lead (Pb).](/cfr/40/52.1893.md)
- [§52.1894. Original Identification of plan section.](/cfr/40/52.1894.md)