1. Regulations
  2. title 40
  3. chapter I-i31
  4. part 471
  5. subpart A
  6. § 471.12

View all text of Subpart A [§ 471.10 - § 471.16]

§ 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.

Subpart A—BAT

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 Antimony0.0670.030 Lead0.0100.005

(b) Rolling spent soap solutions.

Subpart A—BAT

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—BAT. There shall be no discharge of process wastewater pollutants.

(d) Drawing spent emulsions.

Subpart A—BAT

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 Antimony0.0800.034 Lead0.0110.005

(e) Drawing spent soap solutions.

Subpart A—BAT

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 colling water.

Subpart A—BAT

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 Lead0.0610.030

(g) Extrusion press hydraulic fluid leakage.

Subpart A—BAT

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—BAT

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 Antimony0.0030.001 Lead0.00040.0002

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

Subpart A—BAT

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 Antimony0.0090.004 Lead0.0010.0006

(j) Shot casting contact cooling water.

Subpart A—BAT

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—BAT

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—BAT

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—BAT

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—BAT

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 Antimony0.0050.002 Lead0.00080.0004

(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]

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(b), (c), (e), and (g), 1316(b) and (c), and 1361; 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 471.12