Except as provided in 40 CFR 125.30 through 125.32 , any existing point source subject to this subpart must achieve the following effluent limitations for the process operations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Subpart J-BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (pounds per million off-pounds) of powder wet atomized | ||
Copper | 9.58 | 5.04 |
Cyanide | 1.46 | 0.605 |
Lead | 2.12 | 1.01 |
Oil and grease | 101 | 60.5 |
TSS | 207 | 98.3 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart J-BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (pounds per million off-pounds) of powder sized | ||
Copper | 0.028 | 0.015 |
Cyanide | 0.004 | 0.002 |
Lead | 0.006 | 0.003 |
Oil and grease | 0.292 | 0.175 |
TSS | 0.599 | 0.285 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart J-BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (pounds per million off-pounds) of power metallurgy parts steam treated | ||
Copper | 1.51 | 0.792 |
Cyanide | 0.230 | 0.095 |
Lead | 0.333 | 0.159 |
Oil and grease | 15.9 | 9.51 |
TSS | 32.5 | 15.5 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart J-BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (pounds per million off-pounds) of powder metallurgy parts tumbled, burnished, or cleaned | ||
Copper | 8.36 | 4.40 |
Cyanide | 1.28 | 0.528 |
Lead | 1.85 | 0.880 |
Oil and grease | 88.0 | 52.800 |
TSS | 181 | 85.8 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart J-BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (pounds per million off-pounds) of powder metallurgy parts sawed or ground with emulsion | ||
Copper | 0.035 | 0.018 |
Cyanide | 0.005 | 0.002 |
Lead | 0.008 | 0.004 |
Oil and grease | 0.362 | 0.217 |
TSS | 0.742 | 0.353 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart J-BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (pounds per million off-pounds) of powder metallurgy parts sawed or ground with contact cooling | ||
Copper | 3.08 | 1.62 |
Cyanide | 0.470 | 0.195 |
Lead | 0.681 | 0.324 |
Oil and grease | 32.4 | 19.5 |
TSS | 66.4 | 31.6 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart J-BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (pounds per million off-pounds) of powder cooled after pressing | ||
Copper | 16.7 | 8.80 |
Cyanide | 2.55 | 1.06 |
Lead | 3.70 | 1.76 |
Oil and grease | 176 | 106 |
TSS | 361 | 172 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
Subpart J-BPT
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/off-kg (pounds per million off-pounds) of powder mixed | ||
Copper | 15.0 | 7.90 |
Cyanide | 2.29 | 0.948 |
Lead | 3.32 | 1.58 |
Oil and grease | 158 | 94.8 |
TSS | 324 | 154 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
40 C.F.R. §471.101