Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 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
Antimony0.0670.030
Lead0.0100.005

(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
Antimony0.1200.055
Lead0.0180.009

(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
Antimony0.0760.034
Lead0.0110.005

(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
Antimony0.0220.010
Lead0.0030.002

(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
Antimony0.4140.185
Lead0.0610.029

(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
Antimony0.1580.071
Lead0.0230.011

(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
Antimony0.003 0.001
Lead0.00040.0002

(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
Antimony0.0090.004
Lead0.0010.0006

(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
Antimony0.1070.048
Lead0.0160.008

(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
Antimony0.1690.076
Lead0.0250.012

(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
Antimony0.3450.154
Lead0.0510.024

(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
Antimony0.6780.302
Lead0.0990.047

(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
Antimony0.0050.003
Lead0.00080.0004

(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]
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) andc,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 471.15