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

40 CFR 471.65: Pretreatment standards for new sources (PSNS).

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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 F—Titanium Forming Subcategory

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS). The mass of wastewater pollutants in the titanium forming process wastewater shall not exceed the values set forth below:

(a) Rolling spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.

(b) Rolling contact cooling water.

Subpart F—PSNS

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

mg/off-kg (pounds per million off-pounds) of titanium rolled with contact cooling water

Cyanide 0.142 0.059

Lead 0.205 0.098

Zinc 0.713 0.298

Ammonia 65.1 28.6

Fluoride 29.1 12.9

(c) Drawing spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.

(d) Extrusion spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.

(e) Extrusion spent emulsions.

Subpart F—PSNS

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

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

Cyanide 0.021 0.009

Lead 0.030 0.015

Zinc 0.105 0.044

Ammonia 9.59 4.22

Fluoride 4.28 1.90

(f) Extrusion press hydraulic fluid leakage.

Subpart F—PSNS

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

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

Cyanide 0.052 0.022

Lead 0.075 0.036

Zinc 0.260 0.109

Ammonia 23.7 10.5

Fluoride 10.6 4.70

(g) Forging spent lubricants—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.

(h) Forging contact cooling water.

Subpart F—PSNS

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

mg/off-kg (pounds per million off-pounds) of forged titanium cooled with water

Cyanide 0.029 0.012

Lead 0.042 0.020

Zinc 0.146 0.061

Ammonia 13.3 5.86

Fluoride 5.95 2.64

(i) Forging equipment cleaning wastewater.

Subpart F—PSNS

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

mg/off-kg (pounds per million off-pounds) of titanium forged

Cyanide 0.012 0.005

Lead 0.017 0.008

Zinc 0.059 0.025

Ammonia 5.33 2.35

Fluoride 2.38 1.06

(j) Forging press hydraulic fluid leakage.

Subpart F—PSNS

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

mg/off-kg (pounds per million off-pounds) of titanium forged

Cyanide 0.293 0.121

Lead 0.424 0.202

Zinc 1.48 0.616

Ammonia 135 59.2

Fluoride 60.1 26.7

(k) Tube reducing spent lubricants—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.

(l) Heat treatment contact cooling water—subpart F—PSNS. There shall be no discharge allowance for the discharge of process wastewater pollutants.

(m) Surface treatment spent baths.

Subpart F—PSNS

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

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

Cyanide 0.061 0.025

Lead 0.088 0.042

Zinc 0.304 0.127

Ammonia 27.7 12.2

Fluoride 12.4 5.49

(n) Surface treatment rinse.

Subpart F—PSNS

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

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

Cyanide 0.847 0.351

Lead 1.23 0.584

Zinc 4.27 1.78

Ammonia 389 171

Fluoride 174 77.1

(o) Wet air pollution control scrubber blowdown.

Subpart F—PSNS

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

mg/off-kg (pounds per million off-pounds) of titanium surface treated or forged

Cyanide 0.062 0.026

Lead 0.090 0.043

Zinc 0.313 0.131

Ammonia 28.5 12.6

Fluoride 12.8 5.65

(p) Alkaline cleaning spent baths.

Subpart F—PSNS

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

mg/off-kg (pounds per million off-pounds) of titanium alkaline cleaned

Cyanide 0.070 0.029

Lead 0.101 0.048

Zinc 0.351 0.147

Ammonia 32.0 14.1

Fluoride 14.3 6.34

(q) Alkaline cleaning rinse.

Subpart F—PSNS

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

mg/off-kg (pounds per million off-pounds) of titanium alkaline cleaned

Cyanide 0.080 0.033

Lead 0.116 0.055

Zinc 0.403 0.169

Ammonia 36.8 16.2

Fluoride 16.4 7.29

(r) Molten salt rinse.

Subpart F—PSNS

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

mg/off-kg (pounds per million off-pounds) of titanium treated with molten salt

Cyanide 0.277 0.115

Lead 0.401 0.191

Zinc 1.40 0.583

Ammonia 128 56.0

Fluoride 56.8 25.2

(s) Tumbling wastewater.

Subpart F—PSNS

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

mg/off-kg (pounds per million off-pounds) of titanium tumbled

Cyanide 0.023 0.010

Lead 0.033 0.016

Zinc 0.116 0.048

Ammonia 10.6 4.63

Fluoride 4.70 2.09

(t) Sawing or grinding spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.

(u) Sawing or grinding spent emulsions.

Subpart F—PSNS

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

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

Cyanide 0.053 0.022

Lead 0.077 0.037

Zinc 0.267 0.112

Ammonia 24.4 10.7

Fluoride 10.9 4.83

(v) Sawing or grinding contact cooling water.

Subpart F—PSNS

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

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

Cyanide 0.138 0.057

Lead 0.200 0.095

Zinc 0.695 0.291

Ammonia 63.5 27.9

Fluoride 28.3 12.6

(w) Dye penetrant testing wastewater.

Subpart F—PSNS

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

mg/off-kg (pounds per million off-pounds) of titanium treated using dye penetrant methods

Cyanide 0.325 0.135

Lead 0.471 0.224

Zinc 1.64 0.683

Ammonia 149 65.7

Fluoride 66.7 29.6

(x) Miscellaneous wastewater sources.

Subpart F—PSNS

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

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

Cyanide 0.010 0.004

Lead 0.014 0.007

Zinc 0.048 0.020

Ammonia 4.32 1.90

Fluoride 1.93 0.856

(y) Degreasing spent solvents—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.

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

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