Section NR 220.21 - Application of effluent limitations(1) The department may specify effluent limitations applicable in permits for the discharge from point sources: (a) Which do not include the classes or categories of point sources identified in ch. NR 220, subch. I,(b) Which belong to classes or categories of point sources for which effluent limitations have not been adopted in chs. NR 221 to 299 inclusive, or(c) Which belong to classes or categories of point sources excluded from, or not specifically included in, the applicability provisions of the effluent limitations of chs. NR 221 to 299 inclusive.(2) In permits for discharges from point sources identified in sub. (1) effluent limitations shall be those which the department determines are achievable by the application of the best practicable control technology currently available, or, where appropriate, the best available control technology economically achievable. (3) In making such determinations the department shall in part be guided, where appropriate, by transferable technology identified in guideline development documents, published by the U.S. environmental protection agency pursuant to Public Law 92-500, as best practicable control technology currently available or best available control technology economically achievable and by effluent limitations achievable by such technologies as set forth in chs. NR 221 to 299 inclusive.Wis. Admin. Code Department of Natural Resources NR 220.21
Cr. Register, June, 1976, No. 246, eff. 7-1-76; renum. from NR 217.10 and am. (1) (a), Register, September, 1988, No. 393, eff. 10-1-88; correction in (2) made under s. 13.93(2m) (b) 4, Stats., Register, September, 1988, No. 393.