Leather substrate

Leather substrate means a nonputrescible leather surface intended for the application of finishing chemicals and materials. The leather substrate may be a continuous piece of material such as side leather or may be a combination of smaller leather pieces and leather fibers, which when joined together, form an integral composite leather material.

Source

40 CFR § 63.5460

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Scoping language

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

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