Chips
Chips means small, uniformly-sized, unpainted pieces of aluminum scrap, typically below 1 1/4 inches in any dimension, primarily generated by turning, milling, boring, and machining of aluminum parts.
Source
40 CFR § 63.1503
Scoping language
Terms used in this subpart are defined in the Clean Air Act as amended (CAA), in 63.2, or in this section as follows: