The regulations in this subchapter apply to process vents associated with distillation, fractionation, thin-film evaporation, solvent extraction, or air or stream stripping operations that manage hazardous secondary material excluded under the remanufacturing exclusion under s. NR 661.0004(1) (za) with concentrations of at least 10 ppmw, unless the process vents are equipped with operating air emission controls in accordance with the requirements of an applicable Clean Air Act regulation codified under 40 CFR part 60, 61, or 63, or subject to ch. NR 440, subchs. III and IV of ch. NR 446, or chs. NR 447 to 469.
Wis. Admin. Code Department of Natural Resources NR 661.1030