40 CFR 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

Copper 0.549 0.262

Nickel 0.236 0.159

Fluoride 25.5 11.3

Molybdenum 2.16 0.957

(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

Copper 1.53 0.726

Nickel 0.655 0.441

Fluoride 70.8 31.4

Molybdenum 5.99 2.66

(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

Copper 0.041 0.320

Nickel 0.018 0.021

Fluoride 1.92 0.853

Molybdenum 0.163 0.072

(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

Copper 0.174 0.083

Nickel 0.075 0.051

Fluoride 8.09 3.59

Molybdenum 0.684 0.303

(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

Copper 0.360 0.172

Nickel 0.155 0.104

Fluoride 16.7 7.42

Molybdenum 1.42 0.627

(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

Copper 0.498 0.237

Nickel 0.214 0.144

Fluoride 23.2 10.3

Molybdenum 1.96 0.868

(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

Copper 15.5 7.38

Nickel 6.66 4.48

Fluoride 720 320

Molybdenum 60.9 27.0

(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

Copper 0.428 0.204

Nickel 0.184 0.124

Fluoride 19.9 8.82

Molybdenum 1.68 0.745

(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

Copper 10.5 4.98

Nickel 4.49 3.02

Fluoride 48.6 216

Molybdenum 41.1 18.2

(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

Copper 0.810 0.386

Nickel 0.348 0.234

Fluoride 37.7 16.7

Molybdenum 3.19 1.41

(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

Copper 1.60 0.763

Nickel 0.688 0.463

Fluoride 74.4 33.0

Molybdenum 6.29 2.79

(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

Copper 0.380 0.181

Nickel 0.164 0.110

Fluoride 17.7 7.84

Molybdenum 1.50 0.663

(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

Copper 3.11 1.48

Nickel 1.34 0.899

Fluoride 145 64.2

Molybdenum 12.2 5.42

(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

Copper 0.018 0.009

Nickel 0.008 0.005

Fluoride 0.803 0.357

Molybdenum 0.068 0.030

(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

Copper 1.01 0.480

Nickel 0.433 0.291

Fluoride 46.8 20.8

Molybdenum 3.96 1.76

(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

Copper 0.442 0.211

Nickel 0.192 0.128

Fluoride 20.6 9.11

Molybdenum 1.74 0.770

(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

Copper 0.100 0.048

Nickel 0.043 0.029

Fluoride 4.62 2.05

Molybdenum 0.391 0.173

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