NR 273.012 HistoryHistory: Cr. Register, September, 1990, No. 417, eff. 10-1-90. NR 273.013NR 273.013 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BAT: NR 273.013 HistoryHistory: Cr. Register, September, 1990, No. 417, eff. 10-1-90. NR 273.014NR 273.014 New source performance standards. Any new source subject to this subchapter shall achieve the following standards: