Title 40

SECTION 471.15

471.15 Pretreatment standards for new sources (PSNS).

§ 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.

[50 FR 34270, Aug. 23, 1985; 51 FR 2884, Jan. 22, 1986]