Any new source subject to this subpart must achieve the following new source performance standards (NSPS):
(a) Rolling spent neat oils - subpart H - NSPS. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions | ||
| Chromium | 0.0005 | 0.0002 |
| Copper | 0.002 | 0.0009 |
| Cyanide | 0.0003 | 0.0001 |
| Zinc | 0.002 | 0.0006 |
| Oil and grease | 0.014 | 0.014 |
| TSS | 0.021 | 0.017 |
| pH | (1) | (1) |
(c) Rolling contact cooling water.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water | ||
| Chromium | 0.020 | 0.009 |
| Copper | 0.069 | 0.037 |
| Cyanide | 0.011 | 0.004 |
| Zinc | 0.055 | 0.023 |
| Oil and grease | 0.536 | 0.536 |
| TSS | 0.804 | 0.643 |
| pH | (1) | (1) |
(d) Drawing spent emulsions.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions | ||
| Chromium | 0.002 | 0.0009 |
| Copper | 0.008 | 0.004 |
| Cyanide | 0.001 | 0.0005 |
| Zinc | 0.006 | 0.003 |
| Oil and grease | 0.058 | 0.058 |
| TSS | 0.087 | 0.070 |
| pH | (1) | (1) |
(e) Direct chill casting contact cooling water.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any one day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method | ||
| Chromium | 0.019 | 0.008 |
| Copper | 0.065 | 0.031 |
| Cyanide | 0.010 | 0.004 |
| Zinc | 0.052 | 0.021 |
| Oil and grease | 0.505 | 0.505 |
| TSS | 0.758 | 0.606 |
| pH | (1) | (1) |
(f) Stationary casting contact cooling water - subpart H - NSPS. There shall be no discharge of process wastewater pollutants.
(g) Heat treatment contact cooling water.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc heat treated | ||
| Chromium | 0.029 | 0.012 |
| Copper | 0.098 | 0.047 |
| Cyanide | 0.016 | 0.006 |
| Zinc | 0.078 | 0.032 |
| Oil and grease | 0.763 | 0.763 |
| TSS | 1.15 | 0.916 |
| pH | (1) | (1) |
(h) Surface treatment spent baths.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc surface treated | ||
| Chromium | 0.033 | 0.014 |
| Copper | 0.114 | 0.054 |
| Cyanide | 0.018 | 0.007 |
| Zinc | 0.091 | 0.038 |
| Oil and grease | 0.887 | 0.887 |
| TSS | 1.33 | 1.07 |
| pH | (1) | (1) |
(i) Surface treatment rinse.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc surface treated | ||
| Chromium | 0.133 | 0.054 |
| Copper | 0.459 | 0.219 |
| Cyanide | 0.072 | 0.029 |
| Zinc | 0.365 | 0.151 |
| Oil and grease | 3.58 | 3.58 |
| TSS | 5.37 | 4.30 |
| pH | (1) | (1) |
(j) Alkaline cleaning spent baths.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned | ||
| Chromium | 0.002 | 0.0006 |
| Copper | 0.005 | 0.002 |
| Cyanide | 0.0007 | 0.0003 |
| Zinc | 0.004 | 0.002 |
| Oil and grease | 0.036 | 0.036 |
| TSS | 0.054 | 0.043 |
| pH | (1) | (1) |
(k) Alkaline cleaning rinse.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned | ||
| Chromium | 0.626 | 0.259 |
| Copper | 2.17 | 1.03 |
| Cyanide | 0.338 | 0.135 |
| Zinc | 1.73 | 0.710 |
| Oil and grease | 16.9 | 16.9 |
| TSS | 25.4 | 20.3 |
| pH | (1) | (1) |
(l) Sawing or grinding spent emulsions.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions | ||
| Chromium | 0.009 | 0.004 |
| Copper | 0.031 | 0.015 |
| Cyanide | 0.005 | 0.002 |
| Zinc | 0.025 | 0.010 |
| Oil and grease | 0.235 | 0.235 |
| TSS | 0.357 | 0.286 |
| pH | (1) | (1) |
(m) Electrocoating rinse.
Subpart H - NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zinc electrocoated | ||
| Chromium | 0.085 | 0.035 |
| Copper | 0.293 | 0.140 |
| Cyanide | 0.046 | 0.019 |
| Zinc | 0.234 | 0.096 |
| Oil and grease | 2.29 | 2.29 |
| TSS | 3.44 | 2.75 |
| pH | (1) | (1) |
(n) Degreasing spent solvents - subpart H - NSPS. There shall be no discharge of process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2888, Jan. 22, 1986]