Rubber used
Rubber used means the total mass of mixed rubber compound delivered to the tire production operations in a tire manufacturing facility (e.g., the collection of warm-up mills, extruders, calendars, tire building, or other tire component and tire manufacturing equipment).
Source
40 CFR § 63.6015
Scoping language
Terms used in this subpart are defined in the Clean Air Act and in 63.2, the General Provisions. The following are additional definitions of terms used in this subpart: