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------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth rolled
with emulsion
---------------------------Antimony.................................... 0.067 0.030Lead........................................ 0.010 0.005------------------------------------------------------------------------
(b) Rolling spent soap solutions.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth rolled
with soap solutions
---------------------------Antimony.................................... 0.120 0.055Lead........................................ 0.018 0.009------------------------------------------------------------------------
(c) Drawing spent neat oils--subpart A--BAT. There shall be no discharge of process wastewater pollutants.
(d) Drawing spent emulsions.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth drawn
with emulsions
---------------------------Antimony.................................... 0.080 0.034Lead........................................ 0.011 0.005------------------------------------------------------------------------
(e) Drawing spent soap solutions.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth drawn
with soap solutions
---------------------------Antimony.................................... 0.022 0.010Lead........................................ 0.003 0.002------------------------------------------------------------------------
(f) Extrusion press and solution heat treatment contact colling water.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds/per
million off-pounds) of
lead-tin-bismuth heat
treated
---------------------------Antimony.................................... 0.414 0.185Lead........................................ 0.061 0.030------------------------------------------------------------------------
(g) Extrusion press hydraulic fluid leakage.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds/per
million off-pounds) of
lead-tin-bismuth extruded
---------------------------Antimony.................................... 0.158 0.071Lead........................................ 0.023 0.011------------------------------------------------------------------------
(h) Continuous strip casting contact cooling water.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth cast by
the continuous strip
method
---------------------------Antimony.................................... 0.003 0.001Lead........................................ 0.0004 0.0002------------------------------------------------------------------------
(i) Semi-continuous ingot casting contact cooling water.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth cast by
the continuous strip
method
---------------------------Antimony.................................... 0.009 0.004Lead........................................ 0.001 0.0006------------------------------------------------------------------------
(j) Shot casting contact cooling water.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth shot cast
---------------------------Antimony.................................... 0.107 0.048Lead........................................ 0.016 0.008------------------------------------------------------------------------
(k) Shot-forming wet air pollution control scrubber blowdown.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth shot
formed
---------------------------Antimony.................................... 0.169 0.076Lead........................................ 0.025 0.012------------------------------------------------------------------------
(l) Alkaline cleaning spent baths.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth alkaline
cleaned
---------------------------
Antimony.................................... 0.345 0.154Lead........................................ 0.051 0.024------------------------------------------------------------------------
(m) Alkaline cleaning rinse.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth alkaline
cleaned
---------------------------
Antimony.................................... 0.678 0.302Lead........................................ 0.099 0.047------------------------------------------------------------------------
(n) Swaging spent emulsions.
Subpart A--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
lead-tin-bismuth swaged
with emulsion
---------------------------
Antimony.................................... 0.005 0.002Lead........................................ 0.0008 0.0004------------------------------------------------------------------------
(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]