Title 40
SECTION 471.61
471.61 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 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.
[50 FR 34270, Aug. 23, 1985; 51 FR 2887, Jan. 22, 1986]