40 CFR 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.

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.