40 C.F.R. § 471.12

Current through October 31, 2024
Section 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.

40 C.F.R. §471.12

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