New source performance standards (NSPS).

Any new source subject to this subpart must achieve the following new source performance standards (NSPS): (a) Rolling spent neat oils and graphite based lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants. (b) Rolling spent emulsions. Subpart E—NSPS 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 Oil and grease 4.29 4.29 TSS 6.44 5.15 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (c) Drawing spent lubricants—subpart E—NSPS. 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—NSPS 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 Oil and grease 11.9 11.9 TSS 17.9 14.3 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (f) Forging spent lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants. (g) Forging contact cooling water. Subpart E—NSPS 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 0.020 Nickel 0.018 0.012 Fluoride 1.92 0.853 Molybdenum 0.163 0.072 Oil and grease 0.323 0.323 TSS 0.485 0.388 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (h) Equipment cleaning wastewater. Subpart E—NSPS 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 Oil and grease 1.36 1.36 TSS 2.04 1.63 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (i) Metal powder production wastewater. Subpart E—NSPS 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 Oil and grease 2.81 2.81 TSS 4.22 3.37 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (j) Metal powder production floor wash wastewater—subpart E—NSPS. There shall be no discharge of process wastewater pollutants. (k) Metal powder pressing spent lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants. (l) Surface treatment spent baths. Subpart E—NSPS 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 Oil and grease 3.89 3.89 TSS 5.84 4.67 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (m) Surface treatment rinse. Subpart E—NSPS 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 69.9 27.0 Oil and grease 121 121 TSS 182 145 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (n) Alkaline cleaning spent baths. Subpart E—NSPS 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 .184 0.124 Fluoride 19.9 8.82 Molybdenum 1.68 0.745 Oil and grease 3.34 3.34 TSS 5.01 4.01 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (o) Alkaline cleaning rinse. Subpart E—NSPS 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 486 216 Molybdenum 41.1 18.2 Oil and grease 81.6 81.6 TSS 123 97.9 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (p) Molten salt rinse. Subpart E—NSPS 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 Oil and grease 6.33 6.33 TSS 9.5 7.6 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (q) Tumbling or burnishing wastewater. Subpart E—NSPS 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 Oil and grease 12.5 12.5 TSS 18.8 15.0 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (r) Sawing or grinding spent neat oils—subpart E—NSPS. There shall be no discharge of process wastewater pollutants. (s) Sawing or grinding spent emulsions. Subpart E—NSPS 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 1.5 0.663 Oil and grease 2.97 2.97 TSS 4.46 3.57 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (t) Sawing or grinding contact cooling water. Subpart E—NSPS 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 Oil and grease 24.3 24.3 TSS 36.5 29.2 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (u) Sawing or grinding rinse. Subpart E—NSPS 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 Oil and grease 0.135 0.135 TSS 0.203 0.162 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (v) Wet air pollution control scrubber blowdown. Subpart E—NSPS 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 Oil and grease 7.87 7.87 TSS 11.8 9.45 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (w) Miscellaneous wastewater sources. Subpart E—NSPS 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 0.190 0.128 Fluoride 20.6 9.11 Molybdenum 1.74 0.770 Oil and grease 3.45 3.45 TSS 5.18 4.14 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (x) Dye penetrant testing wastewater. Subpart E—NSPS 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 Oil and grease 0.776 0.776 TSS 1.17 0.931 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (y) Degreasing spent solvents—subpart E—NSPS. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2886, Jan. 22, 1986]