Chapter NR 468
EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS
FOR MISCELLANEOUS PROCESSES
NR 468.01 Applicability; purpose. NR 468.20 Perchloroethylene dry cleaning facilities. NR 468.30 Industrial process cooling towers. NR 468.01(1)(1) Applicability. This chapter applies to miscellaneous sources of hazardous air pollutants including perchloroethylene dry cleaning, petroleum solvent dry cleaning, sterilization facilities and industrial process cooling towers, and to their owners and operators.