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]
§ 471.63 - New source performance standards (NSPS).

Any new source subject to this subpart must achieve the following new source performance standards (NSPS). The discharge of wastewater pollutants from titanium process wastewater shall not exceed the values set forth below:

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

(b) Rolling contact cooling water.

Subpart F—NSPS

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
Oil and grease9.765.86
TSS20.09.52
pH( 1)( 1)

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

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

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

(e) Extrusion spent emulsions.

Subpart F—NSPS

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
Fluoride4.281.9
Oil and grease1.440.863
TSS2.951.40
pH( 1)( 1)

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

(f) Extrusion press hydraulic fluid leakage.

Subpart F—NSPS

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
Oil and grease3.562.14
TSS7.303.47
pH( 1)( 1)

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

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

(h) Forging contact cooling water.

Subpart F—NSPS

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
Lead0.04200.020
Zinc0.1460.061
Ammonia13.35.86
Fluoride5.952.64
Oil and grease2.001.20
TSS4.101.95
pH( 1)( 1)

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

(i) Forging equipment cleaning wastewater.

Subpart F—NSPS

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
Oil and grease0.8000.490
TSS1.640.780
pH( 1)( 1)

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

(j) Forging press hydraulic fluid leakage.

Subpart F—NSPS

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
Oil and grease20.212.1
TSS41.419.7
pH( 1)( 1)

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

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

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

(m) Surface treatment spent baths.

Subpart F—NSPS

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
Oil and grease4.162.50
TSS8.534.06
pH( 1)( 1)

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

(n) Surface treatment rinse.

Subpart F—NSPS

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
Oil and grease58.435.1
TSS12057.0
pH( 1)( 1)

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

(o) Wet air pollution control scrubber blowdown.

Subpart F—NSPS

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
Oil and grease4.282.57
TSS8.784.18
pH( 1)( 1)

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

(p) Alkaline cleaning spent baths.

Subpart F—NSPS

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
Cyanide0.0700.030
Lead0.1010.048
Zinc0.3510.147
Ammonia32.014.1
Fluoride14.36.34
Oil and grease4.802.88
TSS9.844.68
pH( 1)( 1)

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

(q) Alkaline cleaning rinse.

Subpart F—NSPS

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
Oil and grease5.523.31
TSS11.35.38
pH( 1)( 1)

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

(r) Molten salt rinse.

Subpart F—NSPS

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
Oil and grease19.111.5
TSS39.218.6
pH( 1)( 1)

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

(s) Tumbling wastewater.

Subpart F—NSPS

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
Oil and grease1.580.948
TSS3.241.54
pH( 1)( 1)

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

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

(u) Sawing or grinding spent emulsions.

Subpart F—NSPS

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
Oil and grease3.662.20
TSS7.513.57
pH( 1)( 1)

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

(v) Sawing or grinding contact cooling water.

Subpart F—NSPS

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
Oil and grease9.525.71
TSS19.59.28
pH( 1)( 1)

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

(w) Dye penetrant testing wastewater.

Subpart F—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of titanium tested using dye penetrant methods
Cyanide0.3250.135
Lead0.4710.224
Zinc1.640.683
Ammonia14965.7
Fluoride66.729.6
Oil and grease22.413.5
TSS45.921.9
pH( 1)( 1)

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

(x) Miscellaneous wastewater sources.

Subpart F—NSPS

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
Oil and grease0.6480.389
TSS1.330.63
pH( 1)( 1)

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

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

[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 471.63
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