Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
All TitlesTitle 40Chapter IPart 471Subpart F - Subpart F—Titanium Forming Subcategory
View all text of Subpart F [§ 471.60 - § 471.66]
§ 471.65 - Pretreatment standards for new sources (PSNS).

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
Cyanide0.1420.059
Lead0.2050.098
Zinc0.7130.298
Ammonia65.128.6
Fluoride29.112.9

(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
Cyanide0.0210.009
Lead0.0300.015
Zinc0.1050.044
Ammonia9.594.22
Fluoride4.281.90

(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
Cyanide0.0520.022
Lead0.0750.036
Zinc0.2600.109
Ammonia23.710.5
Fluoride10.64.70

(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
Cyanide0.0290.012
Lead0.0420.020
Zinc0.1460.061
Ammonia13.35.86
Fluoride5.952.64

(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
Cyanide0.0120.005
Lead0.0170.008
Zinc0.0590.025
Ammonia5.332.35
Fluoride2.381.06

(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
Cyanide0.2930.121
Lead0.4240.202
Zinc1.480.616
Ammonia13559.2
Fluoride60.126.7

(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
Cyanide0.0610.025
Lead0.0880.042
Zinc0.3040.127
Ammonia27.712.2
Fluoride12.45.49

(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
Cyanide0.8470.351
Lead1.230.584
Zinc4.271.78
Ammonia389171
Fluoride17477.1

(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
Cyanide0.0620.026
Lead0.0900.043
Zinc0.3130.131
Ammonia28.512.6
Fluoride12.85.65

(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
Cyanide0.0700.029
Lead0.1010.048
Zinc0.3510.147
Ammonia32.014.1
Fluoride14.36.34

(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
Cyanide0.0800.033
Lead0.1160.055
Zinc0.4030.169
Ammonia36.816.2
Fluoride16.47.29

(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
Cyanide0.2770.115
Lead0.4010.191
Zinc1.400.583
Ammonia12856.0
Fluoride56.825.2

(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
Cyanide0.0230.010
Lead0.0330.016
Zinc0.1160.048
Ammonia10.64.63
Fluoride4.702.09

(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
Cyanide0.0530.022
Lead0.0770.037
Zinc0.2670.112
Ammonia24.410.7
Fluoride10.94.83

(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
Cyanide0.1380.057
Lead0.2000.095
Zinc0.6950.291
Ammonia63.527.9
Fluoride28.312.6

(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
Cyanide0.3250.135
Lead0.4710.224
Zinc1.640.683
Ammonia14965.7
Fluoride66.729.6

(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
Cyanide0.0100.004
Lead0.0140.007
Zinc0.0480.020
Ammonia4.321.90
Fluoride1.930.856

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

[50 FR 34270, Aug. 23, 1985; 51 FR 2887, Jan. 22, 1986]
authority: Secs. 301, 304(b), (c), (e), and (g), 306(b) and (c), 307, 308, and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972 as amended by the Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311,1314,c,e,and, 1316(b) andc,and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 50 FR 34270, Aug. 23, 1985, unless otherwise noted.
cite as: 40 CFR 471.65
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