Except as provided in 40 CFR 403.7, any new sources subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in lead-tin-bismuth forming process wastewater introduced into a POTW shall not exceed the following values:
(a) Rolling spent emulsions.
Subpart A—PSNS
| 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 |
(b) Rolling spent soap solutions.
Subpart A—PSNS
| 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 |
(c) Drawing spent neat oils—subpart A—PSNS. There shall be no discharge of process wastewater pollutants.
(d) Drawing spent emulsions.
Subpart A—PSNS
| 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 drawn with emulsions | ||
| Antimony | 0.076 | 0.034 |
| Lead | 0.011 | 0.005 |
(e) Drawing spent soap solutions.
Subpart A—PSNS
| 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 drawn with soap solutions | ||
| Antimony | 0.022 | 0.010 |
| Lead | 0.003 | 0.002 |
(f) Extrusion press and solution heat treatment contact cooling water.
Subpart A—PSNS
| 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 heat treated | ||
| Antimony | 0.414 | 0.185 |
| Lead | 0.061 | 0.029 |
(g) Extrusion press hydraulic fluid leakage.
Subpart A—PSNS
| 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 extruded | ||
| Antimony | 0.158 | 0.071 |
| Lead | 0.023 | 0.011 |
(h) Continuous strip casting contact cooling water.
Subpart A—PSNS
| 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 cast by the continuous strip method | ||
| Antimony | 0.003 | 0.001 |
| Lead | 0.0004 | 0.0002 |
(i) Semi-continuous ingot casting contact cooling water.
Subpart A—PSNS
| 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 ingot cast by the semi-continuous method | ||
| Antimony | 0.009 | 0.004 |
| Lead | 0.001 | 0.0006 |
(j) Shot casting contact cooling water.
Subpart A—PSNS
| 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 shot cast | ||
| Antimony | 0.107 | 0.048 |
| Lead | 0.016 | 0.008 |
(k) Shot-forming wet air pollution control scrubber blowdown.
Subpart A—PSNS
| 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 shot formed | ||
| Antimony | 0.169 | 0.076 |
| Lead | 0.025 | 0.012 |
(l) Alkaline cleaning spent baths.
Subpart A—PSNS
| 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 alkaline cleaned | ||
| Antimony | 0.345 | 0.154 |
| Lead | 0.051 | 0.024 |
(m) Alkaline cleaning rinse.
Subpart A—PSNS
| 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 alkaline cleaned | ||
| Antimony | 0.678 | 0.302 |
| Lead | 0.099 | 0.047 |
(n) Swaging spent emulsions.
Subpart A—PSNS
| 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 swaged with emulsion | ||
| Antimony | 0.005 | 0.003 |
| Lead | 0.0008 | 0.0004 |
(o) Degreasing spent solvents—subpart A—PSNS. There shall be no discharge of process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2884, Jan. 22, 1986]
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