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

§ 471.55 - Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS). The mass of wastewater pollutants in the refractory metals forming process wastewater shall not exceed the values set forth below:

(a) Rolling spent neat oils and graphite based lubricants—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.

(b) Rolling spent emulsions.

Subpart E—PSNS

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 Nickel0.2360.159 Fluoride25.511.3 Molybdenum2.160.957

(c) Drawing spent lubricants—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.

(d) Extrusion spent lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.

(e) Extrusion press hydraulic fluid leakage.

Subpart E—PSNS

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 Copper1.530.726 Nickel0.6550.441 Fluoride70.831.4 Molybdenum5.992.66

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

(g) Forging contact cooling water.

Subpart E—PSNS

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 Copper0.0410.320 Nickel0.0180.021 Fluoride1.920.853 Molybdenum0.1630.072

(h) Equipment cleaning wastewater.

Subpart E—PSNS

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—PSNS

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

(k) Metal powder pressing spent lubricants—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.

(l) Surface treatment spent baths.

Subpart E—PSNS

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—PSNS

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—PSNS

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—PSNS

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 Fluoride48.6216 Molybdenum41.118.2

(p) Molten salt rinse.

Subpart E—PSNS

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—PSNS

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—PSNS. There shall be no discharge or process wastewater pollutants.

(s) Sawing or grinding spent emulsions.

Subpart E—PSNS

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—PSNS

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 Fluoride14564.2 Molybdenum12.25.42

(u) Sawing or grinding rinse.

Subpart E—PSNS

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 blowdown.

Subpart E—PSNS

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, ground, surface coated or surface treated Copper1.010.480 Nickel0.4330.291 Fluoride46.820.8 Molybdenum3.961.76

(w) Miscellaneous wastewater source.

Subpart E—PSNS

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 Nickel0.1920.128 Fluoride20.69.11 Molybdenum1.740.770

(x) Dye penetrant testing wastewater.

Subpart E—PSNS

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 spend solvents—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.

[50 FR 34270, Aug. 23, 1985; 51 FR 2887, Jan. 22, 1986]