Kentucky Hazardous Air Pollutants regulations & environmental compliance analysis

Kentucky Hazardous Air Pollutants: What you need to know

Governing Law and Regulations

National Emissions Standards for Hazardous Air Pollutants (NESHAP): 40 CFR 61, 40 CFR 63, 401 Kentucky Administrative Regulations (KAR) 57:002, and 401 KAR 63:002

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Toxic substances: 401 KAR 63:020 and 401 KAR 63:021

Regulatory Agencies

Kentucky Energy and Environment Cabinet Department for Environmental Protection (DEP) Division for Air Quality

Louisville Metro Air Pollution Control District

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Kentucky incorporates by reference the federal NESHAP standards, including the NESHAPs for source categories, also known as maximum achievable control technology (MACT) standards. In addition, Kentucky has implemented a state program to control emissions at facilities that may emit potentially toxic substances. The Louisville Metro Air Pollution Control District has also implemented a local program to reduce emissions of air toxics. Refer to the national section HAZARDOUS AIR POLLUTANTS for more information on NESHAPs and MACT standards.

Administration and enforcement. The Division for Air Quality of the Energy and Environment Cabinet's DEP administers and enforces the hazardous air pollutant (HAP) and toxic substance rules in Kentucky. The Louisville Metro Air Pollution Control District administers and enforces HAP and local toxic substance requirements within its jurisdiction.

State Requirements


401 KAR 63:020 and 401 KAR 63:021

Kentucky also has state regulations prohibiting the emission of any substance in such quantities or duration as to be harmful to the health and welfare of humans, animals, and ...

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