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§ 471.13 New source performance standards (NSPS).
Any new source subject to this subpart must achieve the following new source performance standards. The mass of pollutants in the lead-tin-bismuth forming operations' process wastewater shall not exceed the following values:
(a) Rolling spent emulsions.
Subpart A—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
---|---|---|
mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth rolled with emulsions | ||
Antimony | 0.067 | 0.030 |
Lead | 0.010 | 0.005 |
Oil and grease | 0.468 | 0.281 |
TSS | 0.960 | 0.457 |
pH | ( 1) |
1 Within the range of 7.5 to 10.0 at all times.
(b) Rolling spent soap solutions.
Subpart A—NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
---|---|---|
mg/off-kg (pounds per million off-pounds) of lead-tin-bismuth rolled with soap solutions | ||
Antimony | 0.120 | 0.055 |
Lead | 0.018 | 0.009 |
Oil and grease | 0.860 | 0.520 |
TSS | 1.80 | 0.840 |
pH | ( 1) |
1 Within the range of 7.5 to 10.0 at all times.
(c) Drawing spent neat oils—subpart A—NSPS. There shall be no discharge of process wastewater pollutants.