The following effluent limitations are applicable to discharges of non-process wastewater, including tread cooling water, from facilities in the pneumatic tire and inner tube subcategory which were constructed before 1959. Such facilities shall in order to minimize discharge of oil and grease in such wastewaters:
(1) No later than July 1, 1977 employ the best practicable maintenance and housekeeping practices;(2) No later than July 1, 1983 employ the best available maintenance and housekeeping practices; and(3) Limit the oil and grease content of such wastewaters to daily average and daily maximum concentrations of 5 and 10 mg/1 respectively.Wis. Admin. Code Department of Natural Resources NR 286.09
Cr. Register, June, 1976, No. 246, eff. 7-1-76.