Secondary emissions

Secondary emissions means particulate matter emissions that are not controlled by a primary emission control system, including emissions that escape from open and closed hoods, lance hole openings, and gaps or tears in ductwork to the primary emission control system.

Source

40 CFR § 63.7852

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Scoping language

Terms used in this subpart are defined in the Clean Air Act, in 63.2, and in this section as follows.

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