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