40 CFR 471.53: 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.