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

Open Table
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 source a. reduce emissions of total HAP, measured as THC (as carbon),a by 97 percent; or
b. 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 source a. reduce emissions of total HAP, measured as THC (as carbon),a by 95 percent; or
b. limit emissions of total HAP, measured as THC (as carbon),a to 20 ppmvd at the control device outlet and use a PTE.

aYou may choose to subtract methane from THC as carbon measurements.


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