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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 471.73: New source performance standards (NSPS).

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
  4. PART 471—NONFERROUS METALS FORMING AND METAL POWDERS POINT SOURCE CATEGORY
  5. Subpart G—Uranium Forming Subcategory

Any new source subject to this subpart must achieve the following new source performance standards (NSPS). The mass of pollutants in the uranium forming process wastewater shall not exceed the following values:

(a) Extrusion spent lubricants—subpart G—NSPS. There shall be no discharge of process wastewater pollutants.

(b) Extrusion tool contact cooling water.

Subpart G—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium extruded

Cadmium 0.007 0.003

Chromium 0.013 0.005

Copper 0.044 0.021

Lead 0.010 0.005

Nickel 0.019 0.013

Fluoride 2.05 0.908

Molybdenum 0.173 0.077

Oil and grease 0.344 0.344

TSS 0.516 0.413

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(c) Heat treatment contact cooling water.

Subpart G—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of extruded or forged uranium heat treated

Cadmium 0.006 0.003

Chromium 0.012 0.005

Copper 0.040 0.019

Lead 0.009 0.004

Nickel 0.017 0.012

Fluoride 1.86 0.827

Molybdenum 0.158 0.070

Oil and grease 0.313 0.313

TSS 0.470 0.376

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(d) Forging spent lubricants—subpart G—NSPS. There shall be no discharge of process wastewater pollutants.

(e) Surface treatment spent baths.

Subpart G—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium surface treated

Cadmium 0.006 0.002

Chromium 0.010 0.004

Copper 0.035 0.017

Lead 0.008 0.004

Nickel 0.015 0.010

Fluoride 1.62 0.718

Molybdenum 0.137 0.061

Oil and grease 0.272 0.272

TSS 0.408 0.327

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(f) Surface treatment rinse.

Subpart G—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium surface treated

Cadmium 0.068 0.027

Chromium 0.125 0.051

Copper 0.432 0.206

Lead 0.095 0.044

Nickel 0.186 0.125

Fluoride 20.1 8.90

Molybdenum 1.70 0.752

Oil and grease 3.37 3.37

TSS 5.06 4.05

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(g) Wet air pollution control scrubber blowdown.

Subpart G—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium surface treated

Cadmium 0.0007 0.0003

Chromium 0.001 0.0005

Copper 0.005 0.002

Lead 0.001 0.0005

Nickel 0.002 0.001

Fluoride 0.208 0.092

Molybdenum 0.018 0.008

Oil and grease 0.035 0.035

TSS 0.053 0.042

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(h) Sawing or grinding spent emulsions.

Subpart G—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium sawed or ground with emulsions

Cadmium 0.001 0.0005

Chromium 0.002 0.0009

Copper 0.007 0.004

Lead 0.002 0.0008

Nickel 0.003 0.002

Fluoride 0.338 0.150

Molybdenum 0.029 0.013

Oil and grease 0.057 0.057

TSS 0.085 0.068

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(i) Sawing or grinding contact cooling water.

Subpart G—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium sawed or ground with contact cooling water

Cadmium 0.033 0.013

Chromium 0.061 0.025

Copper 0.211 0.101

Lead 0.046 0.022

Nickel 0.091 0.061

Fluoride 9.82 4.36

Molybdenum 0.830 0.368

Oil and grease 1.65 1.65

TSS 2.48 1.98

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(j) Sawing or grinding rinse.

Subpart G—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 uranium rinsed

Cadmium 0.001 0.0004

Chromium 0.002 0.0007

Copper 0.006 0.003

Lead 0.002 0.0006

Nickel 0.003 0.002

Fluoride 0.277 0.123

Molybdenum 0.024 0.011

Oil and grease 0.047 0.047

TSS 0.070 0.056

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(k) Area cleaning rinse.

Subpart G—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium formed

Cadmium 0.009 0.004

Chromium 0.016 0.007

Copper 0.055 0.026

Lead 0.012 0.006

Nickel 0.024 0.016

Fluoride 2.56 1.14

Molybdenum 0.216 0.096

Oil and grease 0.429 0.429

TSS 0.644 0.515

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(l) Drum washwater.

Subpart G—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium formed

Cadmium 0.009 0.004

Chromium 0.017 0.007

Copper 0.057 0.027

Lead 0.013 0.006

Nickel 0.025 0.017

Fluoride 2.64 1.17

Molybdenum 0.223 0.099

Oil and grease 0.443 0.443

TSS 0.665 0.532

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(m) Laundry washwater.

Subpart G—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/employee—day

Cadmium 5.24 2.10

Chromium 9.70 3.93

Copper 33.6 16.0

Lead 7.34 3.41

Nickel 14.4 9.70

Fluoride 1,560 692

Molybdenum 132 58.4

Oil and grease 262 262

TSS 393 315

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(n) Degreasing spent solvents—subpart G—NSPS. There shall be no discharge of process waster pollutants.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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