Except as provided in ss. NR 211.13 and 211.14, any existing source subject to this subchapter which introduces pollutants into a publicly owned treatment works shall comply with ch. NR 211 and may not exceed the following pretreatment standards for existing sources:
STEEL BASIS MATERIAL SUBCATEGORY | ||||
PSES | ||||
Maximum for any 1 day | Maximum for monthly average | |||
Pollutant or pollutant property | mg/m2 (pounds per 1 million ft2) of area processed | |||
Chromium | 0.50 | (0.10) | 0.20 | (0.041) |
Cyanide | 0.34 | (0.07) | 0.14 | (0.029) |
Zinc | 1.56 | (0.32) | 0.66 | (0.14) |
Wis. Admin. Code Department of Natural Resources NR 263.14