# Ohio Admin. Code 3745-21-06: Rule 3745-21-06. Classification of regions

> Ohio · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_06

## Section

- **Citation:** Ohio Admin. Code 3745-21-06
- **Heading:** Rule 3745-21-06. Classification of regions
- **Jurisdiction:** Ohio
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Ohio Administrative Code / Agency 3745 / Chapter 3745-21 / Rule 3745-21-06

## Text

119.03 The following counties shall be classified as "Priority I" for determining the applicability of rule 3745-21-07 of the Administrative Code: Butler, Clark, Clermont, Cuyahoga, Darke, Delaware, Fairfield, Franklin, Geauga, Greene, Hamilton, Lake, Licking, Lorain, Lucas, Madison, Medina, Miami, Montgomery, Perry, Pickaway, Portage, Preble, Stark, Summit, Union, Warren and Wood. Last updated October 6, 2023 at 10:29 AM Supplemental Information Authorized By: 3704.03 (E) Amplifies: 3704.03 (E), 3704.03 (A) 11/29/2026 2/15/1972, 10/19/1979, 11/5/2002

## Nearby sections

- [Ohio Admin. Code 3745-21-01 Rule 3745-21-01. Definitions and incorporation by reference](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_01.md)
- [Ohio Admin. Code 3745-21-03 Rule 3745-21-03. Methods of ambient air quality measurement](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_03.md)
- [Ohio Admin. Code 3745-21-04 Rule 3745-21-04. Compliance time schedules](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_04.md)
- [Ohio Admin. Code 3745-21-06 Rule 3745-21-06. Classification of regions](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_06.md)
- [Ohio Admin. Code 3745-21-07 Rule 3745-21-07. Control of emissions of organic materials from stationary sources (i.e., emissions that are not regulated by rule 3745-21-09, 3745-21-12 to 3745-21-16, or 3745-21-18 to 3745-21-29 of the Administrative Code)](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_07.md)
- [Ohio Admin. Code 3745-21-08 Rule 3745-21-08. Control of carbon monoxide emissions from stationary sources](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_08.md)
- [Ohio Admin. Code 3745-21-09 Rule 3745-21-09. Control of emissions of volatile organic compounds from stationary sources and perchloroethylene from dry cleaning facilities](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_09.md)
- [Ohio Admin. Code 3745-21-10 Rule 3745-21-10. Compliance test methods and procedures](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_10.md)
- [Ohio Admin. Code 3745-21-11 Rule 3745-21-11. Reasonably available control technology studies for non-CTG sources in ozone nonattainment areas](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_11.md)
- [Ohio Admin. Code 3745-21-12 Rule 3745-21-12. Control of volatile organic compound emissions from commercial bakery oven facilities](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_12.md)
- [Ohio Admin. Code 3745-21-13 Rule 3745-21-13. Control of volatile organic compound emissions from reactors and distillation units employed in SOCMI chemical production](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_13.md)
- [Ohio Admin. Code 3745-21-14 Rule 3745-21-14. Control of volatile organic compound emissions from process vents in batch operations](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_14.md)
- [Ohio Admin. Code 3745-21-15 Rule 3745-21-15. Control of volatile organic compound emissions from wood furniture manufacturing operations](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_15.md)
- [Ohio Admin. Code 3745-21-16 Rule 3745-21-16. Control of volatile organic compound emissions from industrial wastewater](https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_16.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_OH_ADC_3745_21_06. Check the current official text before relying on it. Not legal advice.