Metal HAP process vent

Metal HAP process vent means the point of discharge to the atmosphere (or inlet to a control device, if any) of a metal HAP-containing gas stream from any CMPU at an affected source containing at least 50 ppmv metal HAP. The metal HAP concentration may be determined using any of the following: process knowledge, an engineering assessment, or test data.

Source

40 CFR § 63.11502

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Scoping language

The following terms used in this subpart have the meaning given them in the CAA, 63.2, subpart SS ( 63.981), subpart WW ( 63.1061), 40 CFR 60.111b, subpart F ( 63.101), subpart G ( 63.111), subpart FFFF ( 63.2550), as specified after each term:

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