Any new source subject to this subpart must achieve the following new source performance standards (NSPS). The mass of pollutant in the zirconium-hafnium process wastewater shall not exceed the following values:
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 |
TSS | 9.72 | 4.62 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 |
Oil and grease | 0.686 | 0.412 |
TSS | 1.41 | 0.669 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 | 20.0 | 8.98 |
Oil and grease | 6.80 | 4.08 |
TSS | 14.0 | 6.63 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 |
Oil and grease | 17.8 | 10.7 |
TSS | 36.4 | 17.3 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 | 32.0 | 19.2 |
TSS | 65.6 | 31.2 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 |
Oil and grease | 62.8 | 37.7 |
TSS | 129 | 61.3 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 |
Oil and grease | 5.62 | 3.37 |
TSS | 11.5 | 5.48 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 |
Oil and grease | 15.1 | 9.07 |
TSS | 31.0 | 14.8 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 |
Oil and grease | 6.42 | 3.85 |
TSS | 13.2 | 6.26 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 |
Oil and Grease | 3.60 | 2.16 |
TSS | 7.38 | 3.51 |
pH | (1) | (1) |
1 Within range of 7.5 to 10.0 at all times.
Subpart I-NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
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 |
TSS | 0.632 | 0.301 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
40 C.F.R. §471.93