Wis. Admin. Code Department of Natural Resources NR 257.54
Any new source subject to this subchapter shall achieve the following performance standards:
Table 139
Core operation NSPS
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 | 0.019 | 0.008 |
Cyanide | 0.010 | 0.004 |
Zinc | 0.051 | 0.021 |
Aluminum | 0.304 | 0.135 |
Oil and grease | 0.498 | 0.498 |
Suspended solids | 0.747 | 0.598 |
pH | (1) | (1) |
1 Within the range of 7.0 to 10 at all times.
Table 140
Continuous rod casting spent lubricant NSPS
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 | 0.0008 | 0.0003 |
Cyanide | 0.0004 | 0.0002 |
Zinc | 0.002 | 0.0008 |
Aluminum | 0.012 | 0.006 |
Oil and grease | 0.02 | 0.02 |
Suspended solids | 0.03 | 0.024 |
pH | (1) | (1) |
1 Within the range of 7.0 to 10 at all times.
Table 141
Continuous rod casting contact cooling water NSPS
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 | 0.072 | 0.029 |
Cyanide | 0.039 | 0.016 |
Zinc | 0.198 | 0.082 |
Aluminum | 1.185 | 0.526 |
Oil and grease | 1.939 | 1.939 |
Suspended solids | 2.909 | 2.327 |
pH | (1) | (1) |
1 Within the range of 7.0 to 10 at all times.
Table 142
Solution heat treatment contact cooling water NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (lb/million off-lbs) of aluminum quenched | ||
Chromium | 0.754 | 0.306 |
Cyanide | 0.408 | 0.163 |
Zinc | 2.08 | 0.856 |
Aluminum | 12.45 | 5.52 |
Oil and grease | 20.37 | 20.37 |
Suspended solids | 30.56 | 24.45 |
pH | (1) | (1) |
1 Within the range of 7.0 to 10 at all times.
Table 143
Cleaning or etching bath NSPS
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 | 0.066 | 0.027 |
Cyanide | 0.036 | 0.015 |
Zinc | 0.183 | 0.075 |
Aluminum | 1.094 | 0.485 |
Oil and grease | 1.79 | 1.79 |
Suspended solids | 2.69 | 2.15 |
pH | (1) | (1) |
1 Within the range of 7.0 to 10 at all times.
Table 144
Cleaning or etching rinse and hot water seal NSPS
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 | 0.515 | 0.209 |
Cyanide | 0.278 | 0.111 |
Zinc | 1.42 | 0.584 |
Aluminum | 8.50 | 3.77 |
Oil and grease | 13.91 | 13.91 |
Suspended solids | 20.87 | 16.70 |
pH | (1) | (1) |
1 Within the range of 7.0 to 10 at all times.
Table 145
Cleaning or etching scrubber liquor NSPS
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 | 0.715 | 0.290 |
Cyanide | 0.387 | 0.155 |
Zinc | 1.97 | 0.812 |
Aluminum | 11.81 | 5.24 |
Oil and grease | 19.33 | 19.33 |
Suspended solids | 29.00 | 23.20 |
pH | (1) | (1) |
1 Within the range of 7.0 to 10 at all times.
Wis. Admin. Code Department of Natural Resources NR 257.54