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40 CFR Part 63, Table 3 — Emission Limits for Affected Sources Using the Control Efficiency/Outlet Concentration Compliance Option

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗

You must comply with the emission limits that apply to your affected source in the following table as required by § 63.3490(d).

If you use the control efficiency/outlet concentration option to comply with the emission limitations for any coating operation(s) . . .Then you must comply with one of the following by using an emissions control system to . . .
1. in a new or reconstructed affected sourcea. reduce emissions of total HAP, measured as THC (as carbon), a by 97 percent; orb. limit emissions of total HAP, measured as THC (as carbon), a to 20 ppmvd at the control device outlet and use a PTE.
2. in an existing affected sourcea. reduce emissions of total HAP, measured as THC (as carbon), a by 95 percent; orb. limit emissions of total HAP, measured as THC (as carbon), a to 20 ppmvd at the control device outlet and use a PTE.

a You may choose to subtract methane from THC as carbon measurements.