Wis. Admin. Code Department of Natural Resources NR 273.092
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 application of BPT:
Table 9-1
Zirconium-Hafnium
Extrusion Press Hydraulic Fluid Leakage
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of zirconium-hafnium extruded | |
Chromium | 0.104 | 0.043 |
Cyanide | 0.069 | 0.029 |
Nickel | 0.455 | 0.301 |
Ammonia | 31.6 | 13.9 |
Fluoride | 14.1 | 6.26 |
Oil and grease | 4.74 | 2.85 |
Total suspended solids | 9.72 | 4.62 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 9-2
Zirconium-Hafnium
Heat Treatment Contact Cooling Water
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of zirconium-hafnium heat treated | |
Chromium | 0.151 | 0.062 |
Cyanide | 0.100 | 0.041 |
Nickel | 0.659 | 0.436 |
Ammonia | 45.7 | 20.1 |
Fluoride | 20.4 | 9.06 |
Oil and grease | 6.86 | 4.12 |
Total suspended solids | 14.1 | 6.69 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 9-3
Zirconium-Hafnium
Surface Treatment Spent Baths
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of zirconium-hafnium surface treated | |
Chromium | 0.150 | 0.061 |
Cyanide | 0.099 | 0.041 |
Nickel | 0.653 | 0.432 |
Ammonia | 45.3 | 20 |
Fluoride | 20.3 | 8.98 |
Oil and grease | 6.80 | 4.08 |
Total suspended solids | 14 | 6.63 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 9-4
Zirconium-Hafnium
Surface Treatment Rinse
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of zirconium-hafnium alkaline cleaned | |
Chromium | 3.91 | 1.60 |
Cyanide | 2.58 | 1.07 |
Nickel | 17.1 | 11.3 |
Ammonia | 1,190 | 521 |
Fluoride | 529 | 235 |
Oil and grease | 178 | 107 |
Total suspended solids | 364 | 173 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 9-5
Zirconium-Hafnium
Alkaline Cleaning Spent Baths
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of zirconium-hafnium alkaline cleaned | |
Chromium | 0.704 | 0.288 |
Cyanide | 0.464 | 0.192 |
Nickel | 3.07 | 2.03 |
Ammonia | 214 | 93.8 |
Fluoride | 95.2 | 42.3 |
Oil and grease | 32 | 19.2 |
Total suspended solids | 65.6 | 31.2 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 9-6
Zirconium-Hafnium
Alkaline Cleaning Rinse
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of zirconium-hafnium alkaline cleaned | |
Chromium | 13.8 | 5.65 |
Cyanide | 9.11 | 3.77 |
Nickel | 60.3 | 39.9 |
Ammonia | 4,190 | 1,840 |
Fluoride | 1,870 | 829 |
Oil and grease | 628 | 377 |
Total suspended solids | 1,290 | 613 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 9-7
Zirconium-Hafnium
Sawing or Grinding Spent Emulsions
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of zirconium-hafnium sawed or ground with emulsions | |
Chromium | 0.124 | 0.051 |
Cyanide | 0.082 | 0.034 |
Nickel | 0.540 | 0.357 |
Ammonia | 37.5 | 16.5 |
Fluoride | 16.7 | 7.42 |
Oil and grease | 5.62 | 3.37 |
Total suspended solids | 11.5 | 5.48 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 9-8
Zirconium-Hafnium
Molten Salt Rinse
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of zirconium-hafnium treated with molten salt | |
Chromium | 3.33 | 1.360 |
Cyanide | 2.20 | 0.907 |
Nickel | 14.5 | 9.60 |
Ammonia | 1,010 | 443 |
Fluoride | 450 | 200 |
Oil and grease | 151 | 90.7 |
Total suspended solids | 310 | 148 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 9-9
Zirconium-Hafnium
Sawing or Grinding Contact Cooling Water
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of zirconium-hafnium sawed or ground with contact cooling water | |
Chromium | 0.142 | 0.058 |
Cyanide | 0.093 | 0.039 |
Nickel | 0.617 | 0.408 |
Ammonia | 42.8 | 18.8 |
Fluoride | 6.42 | 8.48 |
Oil and grease | 13.2 | 3.85 |
Total suspended solids | 9.72 | 6.26 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 9-10
Zirconium-Hafnium
Sawing or Grinding Rinse
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of sawed or ground zirconium-hafnium rinsed | |
Chromium | 0.792 | 0.324 |
Cyanide | 0.522 | 0.216 |
Nickel | 3.46 | 2.29 |
Ammonia | 240 | 106 |
Fluoride | 107 | 47.5 |
Oil and grease | 36 | 21.6 |
Total suspended solids | 73.8 | 35.1 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 9-11
Zirconium-Hafnium
Inspection and Testing Wastewater
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/off-kg (pounds per million off-pounds) of zirconium-hafnium tested | |
Chromium | 0.007 | 0.003 |
Cyanide | 0.005 | 0.002 |
Nickel | 0.030 | 0.020 |
Ammonia | 2.06 | 0.903 |
Fluoride | 0.917 | 0.407 |
Oil and grease | 0.308 | 0.185 |
Total suspended solids | 0.632 | 0.301 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Wis. Admin. Code Department of Natural Resources NR 273.092