NR 220.02 HistoryHistory: Cr. Register, June, 1977, No. 258, eff. 7-1-77; CR 21-063: cr. (13m) Register April 2022 No. 796, eff. 5-1-22. NR 220.10NR 220.10 Purpose. The purpose of this subchapter is to provide for the incorporation of effluent limitations into discharge permits required under s. 283.31, Stats., as soon as possible after the promulgation of regulations establishing effluent limitation guidelines. NR 220.10 HistoryHistory: Cr. Register, July, 1981, No. 307, eff. 8-1-81; renum. from NR 207.01 and am. Register, September, 1988, No. 393, eff. 10-1-88; CR 17-002: am. Register April 2018 No. 748, eff. 5-1-18. NR 220.11NR 220.11 Applicability. This subchapter is applicable to discharge permits issued for all categories and classes of point sources listed in s. NR 220.02.