Wis. Admin. Code Department of Natural Resources NR 257.55
Except as provided in ss. NR 211.13 and 211.14, any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following pretreatment standards for existing sources:
Table 146
Core operation PSES
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 |
TTO | 0.035 | |
Oil and grease (alternate monitoring parameter) | 2.6 | 1.3 |
Table 147
Continuous rod casting lubricant PSES
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 | 0.0009 | 0.0004 |
Cyanide | 0.0006 | 0.0003 |
Zinc | 0.0029 | 0.0012 |
TTO | 0.0014 | |
Oil and grease (alternate monitoring parameter) | 0.10 | 0.052 |
Table 148
Continuous rod casting contact cooling water PSES
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 | 0.057 | 0.023 |
Zinc | 0.283 | 0.118 |
TTO | 0.133 | |
Oil and grease (alternate | ||
monitoring parameter) | 10.00 | 5.10 |
Table 149
Solution heat treatment contact cooling water PSES
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 | 2.98 | 1.24 |
TTO | 1.41 | |
Oil and grease (alternate monitoring parameter) | 110.0 | 53.0 |
Table 150
Cleaning or etching bath PSES
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 | 0.033 |
Cyanide | 0.052 | 0.022 |
Zinc | 0.262 | 0.109 |
TTO | 0.124 | |
Oil and grease (alternate monitoring parameter) | 9.30 | 4.70 |
Table 151
Cleaning or etching rinse and hot water seal PSES
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 | 0.612 | 0.251 |
Cyanide | 0.404 | 0.17 |
Zinc | 2.03 | 0.85 |
TTO | 0.96 | |
Oil and grease (alternate monitoring parameter) | 73.0 | 36.0 |
Table 152
Cleaning or etching scrubber liquor PSES
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 | 1.18 |
TTO | 1.34 | |
Oil and grease (alternate monitoring parameter) | 100.0 | 50.0 |
Wis. Admin. Code Department of Natural Resources NR 257.55