By-product means a chemical that is produced coincidentally during the production of another chemical.


40 CFR § 98.128

Scoping language

Except as provided in this section, all of the terms used in this subpart have the same meaning given in the Clean Air Act and subpart A of this part. If a conflict exists between a definition provided in this subpart and a definition provided in subpart A, the definition in this subpart shall take precedence for the reporting requirements in this subpart.

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