Wis. Admin. Code NR § 273.093
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 BAT:
Table 9-12
Zirconium-Hafnium
Extrusion Press Hydraulic Fluid Leakage
BAT 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 |
Table 9-13
Zirconium-Hafnium
Heat Treatment Contact Cooling Water
BAT 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 | 0.015 | 0.006 |
Cyanide | 0.010 | 0.004 |
Nickel | 0.066 | 0.044 |
Ammonia | 4.57 | 2.01 |
Fluoride | 2.04 | 0.906 |
Table 9-14
Zirconium-Hafnium
Surface Treatment Spent Baths
BAT 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 | 20.0 |
Fluoride | 20.3 | 8.98 |
Table 9-15
Zirconium-Hafnium
Surface Treatment Rinse
BAT 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 | 0.391 | 0.160 |
Cyanide | 0.258 | 0.107 |
Nickel | 1.71 | 1.13 |
Ammonia | 119 | 52.1 |
Fluoride | 52.9 | 23.5 |
Table 9-16
Zirconium-Hafnium
Alkaline Cleaning Spent Baths
BAT 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 |
Table 9-17
Zirconium-Hafnium
Alkaline Cleaning Rinse
BAT 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 | 1.38 | 0.565 |
Cyanide | 0.911 | 0.377 |
Nickel | 6.03 | 3.99 |
Ammonia | 419 | 184 |
Fluoride | 187 | 82.9 |
Table 9-18
Zirconium-Hafnium
Sawing or Grinding Spent Emulsions
BAT Effluent Limita | tions | |
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 | 16.50 |
Fluoride | 16.7 | 7.42 |
Table 9-19
Zirconium-Hafnium
Molten Salt Rinse
BAT 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 | 0.333 | 0.136 |
Cyanide | 0.220 | 0.091 |
Nickel | 1.45 | 0.960 |
Ammonia | 101 | 44.3 |
Fluoride | 45.0 | 20.0 |
Table 9-20
Zirconium-Hafnium
Sawing or Grinding Contact Cooling Water
BAT 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 | 19.1 | 8.48 |
Table 9-21
Zirconium-Hafnium
Sawing or Grinding Rinse
BAT 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 | 0.079 | 0.033 |
Cyanide | 0.052 | 0.022 |
Nickel | 0.346 | 0.229 |
Ammonia | 24.0 | 10.6 |
Fluoride | 10.7 | 4.75 |
Table 9-22
Zirconium-Hafnium
Inspection Testing Wastewater
BAT 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 |
Wis. Admin. Code Department of Natural Resources § NR 273.093