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

40 CFR 471.61: Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations for the process operations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
(a) Rolling spent neat oils—subpart F—BPT. There shall be no discharge of process wastewater pollutants.
(b) Rolling contact cooling water.
Subpart F—BPT
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 1.4 0.586
Lead 2.05 0.976
Zinc 7.13 2.98
Ammonia 651 286
Fluoride 291 129
Oil and grease 97.0 58.0
TSS 200.0 95.0
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(c) Drawing spent neat oils—subpart F—BPT. There shall be no discharge of process wastewater pollutants.
(d) Extrusion spent neat oils—subpart F—BPT. There shall be no discharge of process wastewater pollutants.
(e) Extrusion spent emulsions.
Subpart F—BPT
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 1.9
Oil and grease 1.44 0.863
TSS 2.95 1.4
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(f) Extrusion press hydraulic fluid leakage.
Subpart F—BPT
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
Oil and grease 3.56 2.14
TSS 7.30 3.47
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(g) Forging spent lubricants—subpart F—BPT. There shall be no discharge of process wastewater pollutants.
(h) Forging contact cooling water.
Subpart F—BPT
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 0.580 0.240
Lead 0.840 0.400
Zinc 2.92 1.22
Ammonia 267 117
Fluoride 119 52.8
Oil and grease 40.0 24.0
TSS 82.0 39.0
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(i) Forging equipment cleaning wastewater.
Subpart F—BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of refractory metals 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
Oil and grease 0.800 0.480
TSS 1.64 0.780
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(j) Forging press hydraulic fluid leakage.
Subpart F—BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of refractory metals 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
Oil and grease 20.2 12.1
TSS 41.4 19.7
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(k) Tube reducing spent lubricants—subpart F—BPT. There shall be no discharge of process wastewater pollutants.
(l) Heat treatment contact cooling water—subpart F—BPT. There shall be no allowance for the discharge of process wastewater pollutants.
(m) Surface treatment spent baths.
Subpart F—BPT
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
Oil and grease 4.16 2.50
TSS 8.53 4.06
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(n) Surface treatment rinse.
Subpart F—BPT
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 8.47 3.51
Lead 12.3 5.84
Zinc 42.7 17.8
Ammonia 3,890 1,710
Fluoride 1,740 771
Oil and grease 584 351
TSS 1,200 570
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—BPT
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 0.621 0.257
Lead 0.899 0.428
Zinc 3.13 1.31
Ammonia 285 126
Fluoride 128 56.5
Oil and grease 42.8 25.7
TSS 87.8 41.8
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(p) Alkaline cleaning spent baths.
Subpart F—BPT
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
Oil and grease 4.80 2.88
TSS 9.84 4.68
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(q) Alkaline cleaning rinse.
Subpart F—BPT
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 0.801 0.331
Lead 1.16 0.552
Zinc 4.03 1.69
Ammonia 370 160
Fluoride 164 72.9
Oil and grease 55.2 33.1
TSS 113 53.8
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(r) Molten salt rinse.
Subpart F—BPT
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
Oil and grease 19.1 11.5
TSS 39.2 18.6
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(s) Tumbling wastewater.
Subpart F—BPT
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 0.229 0.095
Lead 0.332 0.158
Zinc 1.16 0.482
Ammonia 110 46
Fluoride 47.0 20.9
Oil and grease 15.8 9.48
TSS 32.4 15.4
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—BPT. There shall be no discharge of process wastewater pollutants.
(u) Sawing or grinding of spent emulsions.
Subpart F—BPT
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 an emulsion
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
Oil and grease 3.66 2.20
TSS 7.51 3.57
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—BPT
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 1.38 0.571
Lead 2.00 0.952
Zinc 6.95 2.91
Ammonia 635 279
Fluoride 283 126
Oil and grease 95.2 57.1
TSS 195 92.8
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(w) Dye penetrant testing wastewater.
Subpart F—BPT
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of titanium tested with 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
Oil and grease 22.4 13.5
TSS 45.9 21.9
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(x) Miscellaneous wastewater sources.
Subpart F—BPT
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
Oil and grease 0.648 0.389
TSS 1.33 0.632
pH (1) (1)
1 Within the range of 7.5 to 10.0 at all times.
(y) Degreasing spent solvents—subpart F—BPT. There shall be no discharge of process wastewater pollutants.

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
PART 471—NONFERROUS METALS FORMING AND METAL POWDERS POINT SOURCE CATEGORY
Subpart F—Titanium Forming Subcategory

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

(b) Rolling contact cooling water.

Subpart F—BPT

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 1.4 0.586

Lead 2.05 0.976

Zinc 7.13 2.98

Ammonia 651 286

Fluoride 291 129

Oil and grease 97.0 58.0

TSS 200.0 95.0

pH (1) (1)

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

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

(e) Extrusion spent emulsions.

Subpart F—BPT

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 1.9

Oil and grease 1.44 0.863

TSS 2.95 1.4

pH (1) (1)

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

(f) Extrusion press hydraulic fluid leakage.

Subpart F—BPT

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

Oil and grease 3.56 2.14

TSS 7.30 3.47

pH (1) (1)

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

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

(h) Forging contact cooling water.

Subpart F—BPT

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 0.580 0.240

Lead 0.840 0.400

Zinc 2.92 1.22

Ammonia 267 117

Fluoride 119 52.8

Oil and grease 40.0 24.0

TSS 82.0 39.0

pH (1) (1)

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

(i) Forging equipment cleaning wastewater.

Subpart F—BPT

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

mg/off-kg (pounds per million off-pounds) of refractory metals 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

Oil and grease 0.800 0.480

TSS 1.64 0.780

pH (1) (1)

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

(j) Forging press hydraulic fluid leakage.

Subpart F—BPT

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

mg/off-kg (pounds per million off-pounds) of refractory metals 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

Oil and grease 20.2 12.1

TSS 41.4 19.7

pH (1) (1)

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

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

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

(m) Surface treatment spent baths.

Subpart F—BPT

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

Oil and grease 4.16 2.50

TSS 8.53 4.06

pH (1) (1)

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

(n) Surface treatment rinse.

Subpart F—BPT

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 8.47 3.51

Lead 12.3 5.84

Zinc 42.7 17.8

Ammonia 3,890 1,710

Fluoride 1,740 771

Oil and grease 584 351

TSS 1,200 570

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—BPT

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 0.621 0.257

Lead 0.899 0.428

Zinc 3.13 1.31

Ammonia 285 126

Fluoride 128 56.5

Oil and grease 42.8 25.7

TSS 87.8 41.8

pH (1) (1)

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

(p) Alkaline cleaning spent baths.

Subpart F—BPT

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

Oil and grease 4.80 2.88

TSS 9.84 4.68

pH (1) (1)

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

(q) Alkaline cleaning rinse.

Subpart F—BPT

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 0.801 0.331

Lead 1.16 0.552

Zinc 4.03 1.69

Ammonia 370 160

Fluoride 164 72.9

Oil and grease 55.2 33.1

TSS 113 53.8

pH (1) (1)

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

(r) Molten salt rinse.

Subpart F—BPT

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

Oil and grease 19.1 11.5

TSS 39.2 18.6

pH (1) (1)

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

(s) Tumbling wastewater.

Subpart F—BPT

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 0.229 0.095

Lead 0.332 0.158

Zinc 1.16 0.482

Ammonia 110 46

Fluoride 47.0 20.9

Oil and grease 15.8 9.48

TSS 32.4 15.4

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—BPT. There shall be no discharge of process wastewater pollutants.

(u) Sawing or grinding of spent emulsions.

Subpart F—BPT

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 an emulsion

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

Oil and grease 3.66 2.20

TSS 7.51 3.57

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—BPT

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 1.38 0.571

Lead 2.00 0.952

Zinc 6.95 2.91

Ammonia 635 279

Fluoride 283 126

Oil and grease 95.2 57.1

TSS 195 92.8

pH (1) (1)

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

(w) Dye penetrant testing wastewater.

Subpart F—BPT

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

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

Oil and grease 22.4 13.5

TSS 45.9 21.9

pH (1) (1)

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

(x) Miscellaneous wastewater sources.

Subpart F—BPT

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

Oil and grease 0.648 0.389

TSS 1.33 0.632

pH (1) (1)

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

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

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

Browse this collection