Indiana Hazardous Air Pollutants regulations & environmental compliance analysis

Indiana 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, 326 Indiana Administrative Code (IAC) 14-1 to 14-10, 326 IAC 20-1, 326 IAC 20-3 to 20-95, and 326 IAC 2-4.1-1

Regulatory Agency
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Indiana Department of Environmental Management (IDEM) Office of Air Quality (OAQ)

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Indiana has adopted and incorporated by reference the federal NESHAP standards, including many of the NESHAPs for source categories, also known as maximum achievable control technology (MACT) standards. Refer to the national section HAZARDOUS AIR POLLUTANTS for more information.

Administration and enforcement. IDEM's OAQ administers and enforces the hazardous air pollutant rules in Indiana.

Read more about Hazardous Air Pollutants