Regulations last checked for updates: May 01, 2025
Title 40 - Protection of Environment last revised: Nov 01, 2025
§ 471.10 - Applicability; description of the lead-tin-bismuth forming subcategory.
This subpart applies to discharges of pollutants to waters of the United States, and introductions of pollutants into publicly owned treatment works from the process operations of the lead-tin-bismuth forming subcategory.
§ 471.11 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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):
(a) Rolling spent emulsions.
| 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 | 0.068 | 0.030
|
| Lead | 0.010 | 0.005
|
| Oil and grease | 0.468 | 0.281
|
| TSS | 0.960 | 0.457
|
| pH | | (
1)
|
(b) Rolling spent soap solutions.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | mg/off-kg (pounds per million off-pound) of lead-tin-bismuth rolled with soap solutions
|
| Antimony | 0.125 | 0.055
|
| Lead | 0.019 | 0.009
|
| Oil and grease | 0.860 | 0.520
|
| TSS | 1.80 | 0.840
|
| pH | | (
1)
|
(c) Drawing spent neat oils—subpart A—BPT. There shall be no discharge of process wastewater pollutants.
(d) Drawing spent emulsions.
| 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
|
| Oil and grease | 0.526 | 0.316
|
| TSS | 1.08 | 0.513
|
| pH | | (
1)
|
(e) Drawing spent soap solutions.
| 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
|
| Oil and grease | 0.149 | 0.090
|
| TSS | 0.306 | 0.146
|
| pH | | (
1)
|
(f) Extrusion press and solution heat treatment contact cooling water.
| 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 | 4.14 | 1.850
|
| Lead | 0.605 | 0.288
|
| Oil and grease | 28.80 | 17.30
|
| TSS | 59.10 | 28.10
|
| pH | | (
1)
|
(g) Extrusion press hydraulic fluid leakage.
| 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
|
| Oil and grease | 1.10 | 0.660
|
| TSS | 2.26 | 1.07
|
| pH | | (
1)
|
(h) Continuous strip casting contact cooling water.
| 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
|
| Oil and grease | 0.020 | 0.012
|
| TSS | 0.041 | 0.020
|
| pH | | (
1)
|
(i) Semi-continuous ingot casting contact cooling water.
| 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 sem-continuous method
|
| Antimony | 0.085 | 0.038
|
| Lead | 0.013 | 0.006
|
| Oil and grease | 0.588 | 0.353
|
| TSS | 1.21 | 0.574
|
| pH | | (
1)
|
(j) Shot casting contact cooling water.
| 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
|
| Oil and grease | 0.746 | 0.448
|
| TSS | 1.53 | 0.728
|
| pH | | (
1)
|
(k) Shot-forming wet air pollution control scrubber blowdown.
| 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 | 1.69 | 0.753
|
| Lead | 0.247 | 0.118
|
| Oil and grease | 11.8 | 7.06
|
| TSS | 24.1 | 11.5
|
| pH | | (
1)
|
(l) Alkaline cleaning spent baths.
| 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
|
| Oil and grease | 2.40 | 1.44
|
| TSS | 4.92 | 2.34
|
| pH | | (
1)
|
(m) Alkaline cleaning rinse.
| 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 | 6.78 | 3.02
|
| Lead | 0.991 | 0.472
|
| Oil and grease | 47.2 | 28.4
|
| TSS | 96.8 | 46.0
|
| pH | | (
1)
|
(n) Swaging spent emulsions.
| 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 | 0.002
|
| Lead | 0.0007 | 0.0004
|
| Oil and grease | 0.036 | 0.022
|
| TSS | 0.073 | 0.034
|
| pH | | (
1)
|
(o) Degreasing spent solvents—subpart A—BPT. There shall be no discharge of process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2884, Jan. 22, 1986]
§ 471.12 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
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 representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):
(a) Rolling spent emulsions.
| 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 emulsion
|
| Antimony | 0.067 | 0.030
|
| Lead | 0.010 | 0.005 |
(b) Rolling spent soap solutions.
| 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—BAT. There shall be no discharge of process wastewater pollutants.
(d) Drawing spent emulsions.
| 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 | 0.080 | 0.034
|
| Lead | 0.011 | 0.005 |
(e) Drawing spent soap solutions.
| 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 colling water.
| 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 | 0.030 |
(g) Extrusion press hydraulic fluid leakage.
| 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.
| 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.
| 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 | 0.009 | 0.004
|
| Lead | 0.001 | 0.0006 |
(j) Shot casting contact cooling water.
| 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.
| 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.
| 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.
| 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.
| 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 | 0.002
|
| Lead | 0.0008 | 0.0004 |
(o) Degreasing spent solvents—subpart A—BAT. There shall be no discharge of process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2884, Jan. 22, 1986]
§ 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.
| 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)
|
(b) Rolling spent soap solutions.
| 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)
|
(c) Drawing spent neat oils—subpart A—NSPS. There shall be no discharge of process wastewater pollutants.
(d) Drawing spent emulsions.
| 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
|
| Oil and grease | 0.526 | 0.316
|
| TSS | 1.087 | 0.513
|
| pH | | (
1)
|
(e) Drawing spent soap solutions.
| 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
|
| Oil and grease | 0.149 | 0.090
|
| TSS | 0.306 | 0.146
|
| pH | | (
1)
|
(f) Extrusion press and solution heat treatment contact cooling water.
| 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 | 0.030
|
| Oil and grease | 2.80 | 1.72
|
| TSS | 5.91 | 2.81
|
| pH | | (
1)
|
(g) Extrusion press hydraulic fluid leakage.
| 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
|
| Oil and grease | 1.10 | 0.660
|
| TSS | 2.26 | 1.07
|
| pH | | (
1)
|
(h) Continuous strip casting contact cooling water.
| 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
|
| Oil and grease | 0.020 | 0.012
|
| TSS | 0.041 | 0.020
|
| pH | | (
1)
|
(i) Semi-continuous ingot casting contact cooling water.
| 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
|
| Oil and grease | 0.059 | 0.036
|
| TSS | 0.121 | 0.058
|
| pH | | (
1)
|
(j) Shot casting contact cooling water.
| 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
|
| Oil and grease | 0.746 | 0.448
|
| TSS | 1.53 | 0.728
|
| pH | | (
1)
|
(k) Shot-forming wet air pollution control scrubber blowdown.
| 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
|
| Oil and grease | 1.18 | 0.706
|
| TSS | 2.41 | 1.15
|
| pH | | (
1)
|
(l) Alkaline cleaning spent baths.
| 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
|
| Oil and grease | 2.40 | 1.44
|
| TSS | 4.92 | 2.34
|
| pH | | (
1)
|
(m) Alkaline cleaning rinse.
| 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
|
| Oil and grease | 4.72 | 2.84
|
| TSS | 9.68 | 4.60
|
| pH | | (
1)
|
(n) Swaging spent emulsions.
| 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 | 0.002
|
| Lead | 0.0008 | 0.0004
|
| Oil and grease | 0.036 | 0.022
|
| TSS | 0.073 | 0.035
|
| pH | | (
1)
|
(o) Degreasing spent solvents—subpart A—NSPS. There shall be no discharge of process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2884, Jan. 22, 1986]
§ 471.14 - Pretreatment standards for existing sources (PSES).
Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and by August 23, 1988, achieve the pretreatment standards for existing sources (PSES). 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.
| 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.
| 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—PSES. There shall be no discharge of process wastewater pollutants.
(d) Drawing spent emulsions.
| 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 soaps solutions.
| 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 olutions
|
| Antimony | 0.022 | 0.010
|
| Lead | 0.003 | 0.002 |
(f) Extrusion press and solution heat treatment contact cooling water.
| 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.
| 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.
| 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.
| 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 semi-continuous strip method
|
| Antimony | 0.009 | 0.004
|
| Lead | 0.001 | 0.0006 |
(j) Shot casting contact cooling water.
| 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.
| 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.
| 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.
| 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.
| 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 | 0.002
|
| Lead | 0.0008 | 0.0004 |
(o) Degreasing spent solvents—subpart A—PSES. There shall be no discharge of process wastewater pollutants.
[50 FR 34270, Aug. 23, 1985; 51 FR 2884, Jan. 22, 1986]
§ 471.15 - Pretreatment standards for new sources (PSNS).
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.
| 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.
| 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.
| 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.
| 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.
| 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.
| 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.
| 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.
| 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.
| 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.
| 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.
| 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.
| 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.
| 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]
§ 471.16 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). [Reserved]
authority: Secs. 301, 304(b), (c), (e), and (g), 306(b) and (c), 307, 308, and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972 as amended by the Clean Water Act of 1977) (the “Act”);
33 U.S.C. 1311,
1314,
c,
e,
and, 1316(b) and
c,
and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 50 FR 34270, Aug. 23, 1985, unless otherwise noted.
cite as: 40 CFR 471.14