California Hazardous Air Pollutants: What you need to know

Governing Law and Regulations

National Emissions Standards for Hazardous Air Pollutants (NESHAP): 40 CFR 61 and 40 CFR 63

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Toxic Air Contaminant (TAC) Identification and Control Act, California Health & Safety Code (CH & SC) 39650 to 39675

Identification of TACs: 17 California Code of Regulations (CCR) 93000 and 17 CCR 93001

Toxic substance emissions inventory guidelines: 17 CCR 93300 to 93300.5

TAC identification and control measures: 17 CCR 93100 to 93120, 13 CCR 2020 to 2022, 13 CCR 2480, 13 CCR 2485, 13 CCR 2477, and 13 CCR 2479

Air Toxics "Hot Spots" Information and Assessment Act, CH & SC 44300 to 44394 and air toxics "hot spots" fee regulation: 17 CCR 90700 to 90705

Mercury thermostat collection: 22 CCR 66274

Local air district regulations

Regulatory Agencies

California Environmental Protection Agency (Cal/EPA) California Air Resources Board (CARB)

Local air districts

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. The federal NESHAPs, including the source specific NESHAPs, also known as maximum achievable control technology (MACT) standards, are in effect in California. For more information on the federal hazardous air pollutant (HAP) standards, see the national section HAZARDOUS AIR POLLUTANTS.

The California Air Resources Board (CARB) has developed legislation, regulations, and guidance documents for identifying TACs and quantifying emissions of toxic substances. Under the Toxic Air Contaminant Identification and Control Act, CARB has classified several substances as TACs and has developed control measures for specific sources of TACs. The Air Toxics "Hot Spots" Information and ...

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State Requirements

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California Hazardous Air Pollutants Resources

Hazardous Air Pollutants Products

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