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 neat oils and graphite based lubricants--subpart E--BAT. There shall be no discharge of process wastewater pollutants.
(b) Rolling spent emulsions.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals rolled
with emulsions
---------------------------Copper...................................... 0.549 0.262Nickel...................................... 0.236 0.157Fluoride.................................... 25.5 11.3Molybdenum.................................. 2.16 0.957------------------------------------------------------------------------
(c) Drawing spent lubricants--subpart E--BAT. There shall be no discharge of process wastewater pollutants.
(d) Extrusion spent lubricants--subpart E--BAT. There shall be no discharge of process wastewater pollutants.
(e) Extrusion press hydraulic fluid leakage.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals extruded
---------------------------Copper...................................... 1.5 0.730Nickel...................................... 0.650 0.440Fluoride.................................... 71.000 31.0Molybdenum.................................. 5.99 2.66------------------------------------------------------------------------
(f) Forging spent lubricants--subpart E--BAT. There shall be no discharge of process wastewater pollutants.
(g) Forging contact cooling water.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
forged refractory metals
cooled with water
---------------------------Copper...................................... 0.041 0.020Nickel...................................... 0.018 0.012Fluoride.................................... 1.92 0.853Molybdenum.................................. 0.163 0.072------------------------------------------------------------------------
(h) Equipment cleaning wastewater.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals formed
---------------------------Copper...................................... 0.174 0.083Nickel...................................... 0.075 0.051Fluoride.................................... 8.09 3.59Molybdenum.................................. 0.684 0.303------------------------------------------------------------------------
(i) Metal powder production wastewater.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals powder
produced
---------------------------Copper...................................... 0.360 0.172Nickel...................................... 0.155 0.104Fluoride.................................... 16.7 7.42Molybdenum.................................. 1.42 0.627------------------------------------------------------------------------
(j) Metal powder production floor wash wastewater--subpart E--BAT. There shall be no discharge of process wastewater pollutants.
(k) Metal powder pressing spent lubricants--subpart E--BAT. There shall be no discharge of process wastewater pollutants.
(l) Surface treatment spent baths.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals surface
treated
---------------------------Copper...................................... 0.498 0.237Nickel...................................... 0.214 0.144Fluoride.................................... 23.2 10.3Molybdenum.................................. 1.96 0.868------------------------------------------------------------------------
(m) Surface treatment rinse.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals surface
treated
---------------------------Copper...................................... 15.5 7.38Nickel...................................... 6.66 4.48Fluoride.................................... 720 320Molybdenum.................................. 60.9 27.0------------------------------------------------------------------------
(n) Alkaline cleaning spent baths.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals alkaline
cleaned
---------------------------Copper...................................... 0.428 0.204Nickel...................................... 0.184 0.124Fluoride.................................... 19.9 8.82Molybdenum.................................. 1.68 0.745------------------------------------------------------------------------
(o) Alkaline cleaning rinse.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals alkaline
cleaned
---------------------------Copper...................................... 10.5 4.98Nickel...................................... 4.49 3.02Fluoride.................................... 486 216Molybdenum.................................. 41.1 18.2------------------------------------------------------------------------
(p) Molten salt rinse.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals treated
with molten salt
---------------------------Copper...................................... 0.810 0.386Nickel...................................... 0.348 0.234Fluoride.................................... 37.7 16.7Molybdenum.................................. 3.19 1.41------------------------------------------------------------------------
(q) Tumbling or burnishing wastewater.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals tumbled
or burnished
---------------------------Copper...................................... 1.60 0.763Nickel...................................... 0.688 0.463Fluoride.................................... 74.4 33.0Molybdenum.................................. 6.29 2.79------------------------------------------------------------------------
(r) Sawing or grinding spent neat oils--subpart E--BAT. There shall be no discharge of process wastewater pollutants.
(s) Sawing or grinding spent emulsions.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals sawed or
ground with emulsions
---------------------------Copper...................................... 0.380 0.181Nickel...................................... 0.164 0.110Fluoride.................................... 17.7 7.84Molybdenum.................................. 1.50 0.663------------------------------------------------------------------------
(t) Sawing or grinding contact cooling water.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals sawed or
ground with contact
cooling water
---------------------------Copper...................................... 3.11 1.48Nickel...................................... 1.34 0.899Fluoride.................................... 145.0 64.2Molybdenum.................................. 12.2 5.42------------------------------------------------------------------------
(u) Sawing or grinding rinse.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
sawed or ground refractory
metals rinsed
---------------------------Copper...................................... 0.018 0.009Nickel...................................... 0.008 0.005Fluoride.................................... 0.803 0.357Molybdenum.................................. 0.068 0.030------------------------------------------------------------------------
(v) Wet air pollution control scrubber blowdown.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals sawed,
surface coated or surface
treated
---------------------------Copper...................................... 1.01 0.480Nickel...................................... 0.433 0.291Fluoride.................................... 46.8 20.8Molybdenum.................................. 3.96 1.76------------------------------------------------------------------------
(w) Miscellaneous wastewater sources.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals formed
---------------------------Copper...................................... 0.442 0.211Nickel...................................... 0.190 0.128Fluoride.................................... 20.6 9.11Molybdenum.................................. 1.74 0.770------------------------------------------------------------------------
(x) Dye penetrant testing wastewater.
Subpart E--BAT------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/off-kg (pounds per
million off-pounds) of
refractory metals product
tested
---------------------------Copper...................................... 0.100 0.048Nickel...................................... 0.043 0.029Fluoride.................................... 4.62 2.05Molybdenum.................................. 0.391 0.173------------------------------------------------------------------------
(y) Degreasing spent solvents--subpart E--BAT. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2886, Jan. 22, 1986]