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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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

Open Table
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.

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


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