Wis. Admin. Code Department of Natural Resources NR 257.53
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 the application of BAT:
Table 132
Core operation BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (lb/million off-lbs) of aluminum drawn with neat oils | ||
Chromium | 0.022 | 0.009 |
Cyanide | 0.015 | 0.006 |
Zinc | 0.073 | 0.031 |
Aluminum | 0.321 | 0.16 |
Table 133
Continuous rod casting spent lubricant BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (lb/million off-lbs) of aluminum rod cast | ||
Chromium | 0.00086 | 0.0004 |
Cyanide | 0.0006 | 0.0002 |
Zinc | 0.0029 | 0.0012 |
Aluminum | 0.0127 | 0.0063 |
Table 134
Continuous rod casting contact cooling water BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (lb/million off-lbs) of aluminum rod cast | ||
Chromium | 0.086 | 0.035 |
Cyanide | 0.056 | 0.024 |
Zinc | 0.283 | 0.118 |
Aluminum | 1.247 | 0.621 |
Table 135
Solution heat treatment contact cooling water BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (lb/million off-lbs) of aluminum quenched | ||
Chromium | 0.896 | 0.367 |
Cyanide | 0.591 | 0.245 |
Zinc | 2.974 | 1.243 |
Aluminum | 13.10 | 6.519 |
Table 136
Cleaning or etching bath BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched | ||
Chromium | 0.079 | 0.032 |
Cyanide | 0.052 | 0.022 |
Zinc | 0.262 | 0.109 |
Aluminum | 1.151 | 0.563 |
Table 137
Cleaning or etching rinse and hot water seal BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched | ||
Chromium | 0.512 | 0.251 |
Cyanide | 0.404 | 0.167 |
Zinc | 2.031 | 0.849 |
Aluminum | 8.944 | 4.451 |
Table 138
Cleaning or etching scrubber liquor BAT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched | ||
Chromium | 0.851 | 0.348 |
Cyanide | 0.561 | 0.232 |
Zinc | 2.82 | 1.179 |
Aluminum | 12.43 | 6.19 |
Wis. Admin. Code Department of Natural Resources NR 257.53