Lead bearing material
Lead bearing material means material with a lead content equal to or greater than 5 mg/l as measured by EPA Method 1311 (Under Method 1311, only materials with at least 100 ppm lead will be considered to be lead bearing).
Source
40 CFR § 63.542
Scoping language
Terms used in this subpart are defined in the Clean Air Act, in subpart A of this part, or in this section as follows: