40 CFR 471.54: Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and by August 23, 1988 achieve the following pretreatment standards for existing sources (PSES). The mass of wastewater pollutants in refractory metals forming process wastewater introduced into a POTW shall not exceed the following values:

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

(b) Rolling spent emulsions.

Subpart E—PSES

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 0.815 0.429

Nickel 0.824 0.545

Fluoride 25.5 11.4

Molybdenum 2.84 1.47

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

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

(e) Extrusion press hydraulic fluid leakage.

Subpart E—PSES

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 2.26 1.19

Nickel 2.29 1.51

Fluoride 70.8 31.4

Molybdenum 7.87 4.07

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

(g) Forging contact cooling water.

Subpart E—PSES

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 0.062 0.033

Nickel 0.062 0.041

Fluoride 1.92 0.853

Molybdenum 0.214 0.111

(h) Equipment cleaning wastewater.

Subpart E—PSES

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 0.259 0.136

Nickel 0.261 0.173

Fluoride 8.09 3.59

Molybdenum 0.899 0.465

(i) Metal powder production wastewater.

Subpart E—PSES

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 0.534 0.281

Nickel 0.540 0.357

Fluoride 16.7 7.42

Molybdenum 1.86 0.961

(j) Metal powder production floor wash wastewater—subpart E—PSES. There shall be no discharge of process wastewater pollutants.

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

(l) Surface treatment spent baths.

Subpart E—PSES

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 0.739 0.389

Nickel 0.747 0.494

Fluoride 23.2 10.3

Molybdenum 2.57 1.33

(m) Surface treatment rinse.

Subpart E—PSES

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 23.0 12.1

Nickel 23.3 15.4

Fluoride 720 320

Molybdenum 80.0 41.4

(n) Alkaline cleaning spent baths.

Subpart E—PSES

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 0.635 0.334

Nickel 0.642 0.424

Fluoride 19.9 8.82

Molybdenum 2.21 1.14

(o) Alkaline cleaning rinse.

Subpart E—PSES

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 15.5 8.16

Nickel 15.7 10.4

Fluoride 486. 216.0

Molybdenum 54.0 27.9

(p) Molten salt rinse.

Subpart E—PSES

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 1.20 0.633

Nickel 1.22 0.804

Fluoride 37.7 16.7

Molybdenum 4.19 2.17

(q) Tumbling or burnishing wastewater.

Subpart E—PSES

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 2.38 1.25

Nickel 2.40 1.59

Fluoride 74.4 33.0

Molybdenum 8.27 4.28

(r) Sawing or grinding spent neat oils—subpart E—PSES. There shall be no discharge of process wastewater pollutants.

(s) Sawing or grinding spent emulsions.

Subpart E—PSES

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 0.565 0.297

Nickel 0.570 0.377

Fluoride 17.7 7.84

Molybdenum 1.97 1.02

(t) Sawing or grinding contact cooling water.

Subpart E—PSES

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 4.62 2.43

Nickel 4.67 3.09

Fluoride 145. 64.2

Molybdenum 16.1 8.31

(u) Sawing or grinding rinse.

Subpart E—PSES

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 0.026 0.014

Nickel 0.026 0.017

Fluoride 0.804 0.357

Molybdenum 0.089 0.046

(v) Wet air pollution control blowdown.

Subpart E—PSES

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

Copper 1.50 0.787

Nickel 1.51 1.00

Fluoride 46.9 20.8

Molybdenum 5.20 2.69

(w) Miscellaneous wastewater sources.

Subpart E—PSES

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 0.656 0.345

Nickel 0.663 0.438

Fluoride 20.6 9.11

Molybdenum 2.28 1.18

(x) Dye penetrant testing wastewater.

Subpart E—PSES

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 0.148 0.078

Nickel 0.149 0.099

Fluoride 4.62 2.05

Molybdenum 0.513 0.266

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