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Code of Federal Regulations Title 40. Protection of Environment § 40.468.11 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
Current as of January 02, 2025 | Updated by Findlaw Staff
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 representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available:
(a) Subpart A—Hot Rolling Spent Lubricant BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy hot rolled |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy hot rolled |
||
|
Chromium |
0.045 |
0.018 |
|
Copper |
0.195 |
0.103 |
|
Lead |
0.015 |
0.013 |
|
Nickel |
0.197 |
0.130 |
|
Zinc |
0.150 |
0.062 |
|
Oil and grease |
2.060 |
1.236 |
|
TSS |
4.223 |
2.008 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(b) Subpart A—Cold Rolling Spent Lubricant BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy cold rolled |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy cold rolled |
||
|
Chromium |
0.166 |
0.068 |
|
Copper |
0.720 |
0.379 |
|
Lead |
0.056 |
0.049 |
|
Nickel |
0.727 |
0.481 |
|
Zinc |
0.553 |
0.231 |
|
Oil and grease |
7.580 |
4.548 |
|
TSS |
15.539 |
7.390 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(c) Subpart A—Drawing Spent Lubricant BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy drawn |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy drawn |
||
|
Chromium |
0.037 |
0.015 |
|
Copper |
0.161 |
0.085 |
|
Lead |
0.012 |
0.011 |
|
Nickel |
0.163 |
0.107 |
|
Zinc |
0.124 |
0.051 |
|
Oil and grease |
1.700 |
1.020 |
|
TSS |
3.485 |
1.657 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(d) Subpart A—Solution Heat Treatment BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy heat treated |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy heat treated |
||
|
Chromium |
1.118 |
0.457 |
|
Copper |
4.827 |
2.541 |
|
Lead |
0.381 |
0.330 |
|
Nickel |
4.878 |
3.227 |
|
Zinc |
3.709 |
1.550 |
|
Oil and grease |
50.820 |
30.492 |
|
TSS |
104.181 |
49.549 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(e) Subpart A—Extrusion Heat Treatment BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy heat treated on an extrusion press |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy heat treated on an extrusion press |
||
|
Chromium |
0.00088 |
0.00036 |
|
Copper |
0.003 |
0.002 |
|
Lead |
0.0003 |
0.00026 |
|
Nickel |
0.003 |
0.002 |
|
Zinc |
0.002 |
0.001 |
|
Oil and grease |
0.040 |
0.024 |
|
TSS |
0.082 |
0.039 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(f) Subpart A—Annealing With Water BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper annealed with water |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy annealed with water |
||
|
Chromium |
2.493 |
1.020 |
|
Copper |
10.767 |
5.667 |
|
Lead |
0.850 |
0.736 |
|
Nickel |
10.880 |
7.197 |
|
Zinc |
8.273 |
3.456 |
|
Oil and grease |
113.340 |
68.004 |
|
TSS |
232.347 |
110.506 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(g) Subpart A—Annealing With Oil BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy annealed with oil |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy annealed with oil |
||
|
Chromium |
0 |
0 |
|
Copper |
0 |
0 |
|
Lead |
0 |
0 |
|
Nickel |
0 |
0 |
|
Zinc |
0 |
0 |
|
Oil and grease |
0 |
0 |
|
TSS |
0 |
0 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(h) Subpart A—Alkaline Cleaning Rinse BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy alkaline cleaned |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy alkaline cleaned |
||
|
Chromium |
1.854 |
0.758 |
|
Copper |
8.006 |
4.214 |
|
Lead |
0.632 |
0.547 |
|
Nickel |
8.090 |
5.351 |
|
Zinc |
6.152 |
2.570 |
|
Oil and grease |
84.280 |
50.568 |
|
TSS |
172.774 |
82.173 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(i) Subpart A—Alkaline Cleaning Rinse for Forged Parts BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy forged parts alkaline cleaned |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy forged parts alkaline cleaned |
||
|
Chromium |
5.562 |
2.275 |
|
Copper |
24.019 |
12.642 |
|
Lead |
1.896 |
1.643 |
|
Nickel |
24.272 |
16.055 |
|
Zinc |
18.457 |
7.711 |
|
Oil and grease |
252.840 |
151.704 |
|
TSS |
518.322 |
246.519 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(j) Subpart A—Alkaline Cleaning Bath BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy parts alkaline cleaned |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy forged parts alkaline cleaned |
||
|
Chromium |
0.020 |
0.0084 |
|
Copper |
0.089 |
0.046 |
|
Lead |
0.0070 |
0.0060 |
|
Nickel |
0.089 |
0.059 |
|
Zinc |
0.068 |
0.028 |
|
Oil and grease |
0.93 |
0.56 |
|
TSS |
1.91 |
0.91 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(k) Subpart A—Pickling Rinse BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy pickled |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy pickled |
||
|
Chromium |
1.593 |
0.651 |
|
Copper |
6.881 |
3.622 |
|
Lead |
0.543 |
0.470 |
|
Nickel |
6.954 |
4.599 |
|
Zinc |
5.288 |
2.209 |
|
Oil and grease |
72.440 |
43.464 |
|
TSS |
148.502 |
70.629 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(l) Subpart A—Pickling Rinse for Forged Parts BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy forged parts pickled |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy forged parts pickled |
||
|
Chromium |
1.723 |
0.705 |
|
Copper |
7.444 |
3.918 |
|
Lead |
0.587 |
0.509 |
|
Nickel |
7.522 |
4.975 |
|
Zinc |
5.720 |
2.389 |
|
Oil and grease |
78.360 |
47.016 |
|
TSS |
160.638 |
76.401 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(m) Subpart A—Pickling Bath BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy pickled |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy pickled |
||
|
Chromium |
0.051 |
0.020 |
|
Copper |
0.220 |
0.116 |
|
Lead |
0.017 |
0.015 |
|
Nickel |
0.222 |
0.147 |
|
Zinc |
0.169 |
0.070 |
|
Oil and grease |
2.320 |
1.392 |
|
TSS |
4.756 |
2.262 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(n) Subpart A—Pickling Fume Scrubber BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy pickled |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy pickled |
||
|
Chromium |
0.275 |
0.112 |
|
Copper |
1.189 |
0.626 |
|
Lead |
0.093 |
0.081 |
|
Nickel |
1.201 |
0.795 |
|
Zinc |
0.913 |
0.381 |
|
Oil and grease |
12.520 |
7.512 |
|
TSS |
25.666 |
12.207 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(o) Subpart A—Tumbling or Burnishing BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy tumbled or burnished |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy tumbled or burnished |
||
|
Chromium |
0.256 |
0.104 |
|
Copper |
1.107 |
0.583 |
|
Lead |
0.087 |
0.075 |
|
Nickel |
1.119 |
0.740 |
|
Zinc |
0.851 |
0.355 |
|
Oil and grease |
11.660 |
6.996 |
|
TSS |
23.903 |
11.368 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(p) Subpart A—Surface Coating BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy surface coated |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy surface coated |
||
|
Chromium |
0.326 |
0.133 |
|
Copper |
1.411 |
0.743 |
|
Lead |
0.111 |
0.096 |
|
Nickel |
1.426 |
0.943 |
|
Zinc |
1.084 |
0.453 |
|
Oil and grease |
14.680 |
8.916 |
|
TSS |
30.463 |
14.488 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(q) Subpart A—Miscellaneous Waste Streams BPT Effluent Limitations.
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|---|---|---|
|
Metric units—mg/off-kg of copper or copper alloy formed |
||
|
English units—pounds per 1,000,000 off-pounds of copper or copper alloy formed |
||
|
Chromium |
0.009 |
0.003 |
|
Copper |
0.041 |
0.021 |
|
Lead |
0.003 |
0.002 |
|
Nickel |
0.041 |
0.027 |
|
Zinc |
0.031 |
0.013 |
|
Oil and grease |
0.436 |
0.261 |
|
TSS |
0.893 |
0.425 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.468.11 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT) - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-468-11/
FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature before relying on it for your legal needs.
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