# 401 KAR 63:021: 401 KAR 63:021. Existing sources emitting toxic air pollutants

> Kentucky · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R021

## Section

- **Citation:** 401 KAR 63:021
- **Heading:** 401 KAR 63:021. Existing sources emitting toxic air pollutants
- **Jurisdiction:** Kentucky
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Kentucky Administrative Regulations / Title 401 (Energy and Environment Cabinet - Department for Environmental Protection) / Chapter 063 / 401 KAR 63:021

## Text

Section 1. A source in existence on January 19, 1999 which was issued a permit pursuant to 401 KAR 50:035 with conditions based on this administrative regulation or 401 KAR 63:022 shall continue to comply with all conditions based on this administrative regulation or 401 KAR 63:022 unless it can demonstrate that a condition is no longer necessary to protect human health and the environment.

## Nearby sections

- [401 KAR 63:001 401 KAR 63:001. Definitions for 401 KAR Chapter 63](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R001.md)
- [401 KAR 63:002 401 KAR 63:002. 40 C.F.R. Part 63 national emission standards for hazardous air pollutants](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R002.md)
- [401 KAR 63:005 401 KAR 63:005. Open burning](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R005.md)
- [401 KAR 63:010 401 KAR 63:010. Fugitive emissions](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R010.md)
- [401 KAR 63:015 401 KAR 63:015. Flares](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R015.md)
- [401 KAR 63:020 401 KAR 63:020. Potentially hazardous matter or toxic substances](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R020.md)
- [401 KAR 63:021 401 KAR 63:021. Existing sources emitting toxic air pollutants](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R021.md)
- [401 KAR 63:025 401 KAR 63:025. Asphalt paving operations](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R025.md)
- [401 KAR 63:031 401 KAR 63:031. Leaks from gasoline tank trucks](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R031.md)
- [401 KAR 63:042 401 KAR 63:042. Requirements for asbestos abatement entities](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R042.md)
- [401 KAR 63:045 401 KAR 63:045. School asbestos abatement accreditations](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R045.md)
- [401 KAR 63:050 401 KAR 63:050. Local education agencies](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R050.md)
- [401 KAR 63:060 401 KAR 63:060. List of hazardous air pollutants, petitions process, lesser quantity designations, and source category list](https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R060.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_KY_KAR_T401_C063_R021. Check the current official text before relying on it. Not legal advice.