1. Regulations
  2. title 40
  3. chapter I-i31
  4. part 471
  5. subpart E
  6. § 471.52

View all text of Subpart E [§ 471.50 - § 471.56]

§ 471.52 - 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 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals rolled with emulsions Copper0.5490.262 Nickel0.2360.157 Fluoride25.511.3 Molybdenum2.160.957

(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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals extruded Copper1.50.730 Nickel0.6500.440 Fluoride71.00031.0 Molybdenum5.992.66

(f) Forging spent lubricants—subpart E—BAT. There shall be no discharge of process wastewater pollutants.

(g) Forging contact cooling water.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of forged refractory metals cooled with water Copper0.0410.020 Nickel0.0180.012 Fluoride1.920.853 Molybdenum0.1630.072

(h) Equipment cleaning wastewater.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals formed Copper0.1740.083 Nickel0.0750.051 Fluoride8.093.59 Molybdenum0.6840.303

(i) Metal powder production wastewater.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals powder produced Copper0.3600.172 Nickel0.1550.104 Fluoride16.77.42 Molybdenum1.420.627

(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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals surface treated Copper0.4980.237 Nickel0.2140.144 Fluoride23.210.3 Molybdenum1.960.868

(m) Surface treatment rinse.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals surface treated Copper15.57.38 Nickel6.664.48 Fluoride720320 Molybdenum60.927.0

(n) Alkaline cleaning spent baths.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned Copper0.4280.204 Nickel0.1840.124 Fluoride19.98.82 Molybdenum1.680.745

(o) Alkaline cleaning rinse.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals alkaline cleaned Copper10.54.98 Nickel4.493.02 Fluoride486216 Molybdenum41.118.2

(p) Molten salt rinse.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals treated with molten salt Copper0.8100.386 Nickel0.3480.234 Fluoride37.716.7 Molybdenum3.191.41

(q) Tumbling or burnishing wastewater.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals tumbled or burnished Copper1.600.763 Nickel0.6880.463 Fluoride74.433.0 Molybdenum6.292.79

(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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with emulsions Copper0.3800.181 Nickel0.1640.110 Fluoride17.77.84 Molybdenum1.500.663

(t) Sawing or grinding contact cooling water.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals sawed or ground with contact cooling water Copper3.111.48 Nickel1.340.899 Fluoride145.064.2 Molybdenum12.25.42

(u) Sawing or grinding rinse.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of sawed or ground refractory metals rinsed Copper0.0180.009 Nickel0.0080.005 Fluoride0.8030.357 Molybdenum0.0680.030

(v) Wet air pollution control scrubber blowdown.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals sawed, surface coated or surface treated Copper1.010.480 Nickel0.4330.291 Fluoride46.820.8 Molybdenum3.961.76

(w) Miscellaneous wastewater sources.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals formed Copper0.4420.211 Nickel0.1900.128 Fluoride20.69.11 Molybdenum1.740.770

(x) Dye penetrant testing wastewater.

Subpart E—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of refractory metals product tested Copper0.1000.048 Nickel0.0430.029 Fluoride4.622.05 Molybdenum0.3910.173

(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]

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 471.52