40 CFR 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.

(d) Drawing 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 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)

1 Within the range of 7.5 to 10.0 at all times.

(e) Drawing 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 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)

1 Within the range of 7.5 to 10.0 at all times.

(f) Extrusion press and solution heat treatment contact cooling water.

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 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)

1 Within the range of 7.5 to 10.0 at all times.

(g) Extrusion press hydraulic fluid leakage.

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 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)

1 Within the range of 7.5 to 10.0 at all times.

(h) Continuous strip casting contact cooling water.

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 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)

1 Within the range of 7.5 to 10.0 at all times.

(i) Semi-continuous ingot casting contact cooling water.

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 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)

1 Within the range of 7.5 to 10.0 at all times.

(j) Shot casting contact cooling water.

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 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)

1 Within the range of 7.5 to 10.0 at all times.

(k) Shot-forming wet air pollution control scrubber blowdown.

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 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)

1 Within the range of 7.5 to 10.0 at all times.

(l) Alkaline cleaning spent baths.

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 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)

1 Within the range of 7.5 to 10.0 at all times.

(m) Alkaline cleaning rinse.

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 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)

1 Within the range of 7.5 to 10.0 at all times.

(n) Swaging 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 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)

1 Within the range of 7.5 to 10.0 at all times.

(o) Degreasing spent solvents—subpart A—NSPS. There shall be no discharge of process wastewater pollutants.