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Code of Federal Regulations Title 40. Protection of Environment § 40.461.31 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
(a) 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:
(1) Subpart C—Closed Formation—Double Fill, or Fill and Dump.
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead used |
||
|
English units—pounds per 1,000,000 pounds of lead used |
||
|
Copper |
0.86 |
0.45 |
|
Lead |
0.19 |
0.090 |
|
Iron |
0.54 |
0.27 |
|
Oil and grease |
9.00 |
5.40 |
|
TSS |
18.45 |
8.78 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(2) Subpart C—Open Formation—Dehydrated.
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead used |
||
|
English units—pounds per 1,000,000 pounds of lead used |
||
|
Copper |
20.99 |
11.05 |
|
Lead |
4.64 |
2.21 |
|
Iron |
16.13 |
6.74 |
|
Oil and grease |
221.00 |
132.60 |
|
TSS |
453.05 |
215.47 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(3) Subpart C—Open Formation—Wet.
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead used |
||
|
English units—pounds per 1,000,000 pounds of lead used |
||
|
Copper |
0.10 |
0.05 |
|
Lead |
0.02 |
0.01 |
|
Iron |
0.06 |
0.03 |
|
Oil and grease |
1.06 |
0.64 |
|
TSS |
2.17 |
1.03 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(4) Subpart C—Plate Soak.
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead used |
||
|
English units—pounds per 1,000,000 pounds of lead used |
||
|
Copper |
0.040 |
0.020 |
|
Lead |
0.009 |
0.004 |
|
Iron |
0.030 |
0.010 |
|
Oil and grease |
0.420 |
0.250 |
|
TSS |
0.860 |
0.410 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(5) Subpart C—Battery Wash (with Detergent).
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead used |
||
|
English units—pounds per 1,000,000 pounds of lead used |
||
|
Copper |
1.71 |
0.90 |
|
Lead |
0.38 |
0.18 |
|
Iron |
1.08 |
0.55 |
|
Oil and grease |
18.00 |
10.80 |
|
TSS |
36.90 |
17.55 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(6) Subpart C—Battery Wash (Water Only).
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead used |
||
|
English units—pounds per 1,000,000 pounds of lead used |
||
|
Copper |
1.12 |
0.59 |
|
Lead |
0.25 |
0.12 |
|
Iron |
0.71 |
0.36 |
|
Oil and grease |
11.80 |
7.08 |
|
TSS |
24.19 |
11.51 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(7) Subpart C—Direct Chill Lead Casting.
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead used |
||
|
English units—pounds per 1,000,000 pounds of lead used |
||
|
Copper |
0.00040 |
0.00020 |
|
Lead |
0.00008 |
0.00004 |
|
Iron |
0.00020 |
0.00010 |
|
Oil and grease |
0.00400 |
0.00200 |
|
TSS |
0.00800 |
0.00300 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(8) Subpart C—Mold Release Formulation.
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead used |
||
|
English units—pounds per 1,000,000 pounds of lead used |
||
|
Copper |
0.011 |
0.006 |
|
Lead |
0.002 |
0.001 |
|
Iron |
0.007 |
0.004 |
|
Oil and grease |
0.120 |
0.072 |
|
TSS |
0.246 |
0.117 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(9) Subpart C—Truck Wash.
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead in trucked batteries |
||
|
English units—pounds per 1,000,000 pounds of lead in trucked batteries |
||
|
Copper |
0.026 |
0.014 |
|
Lead |
0.005 |
0.002 |
|
Iron |
0.016 |
0.008 |
|
Oil and grease |
0.280 |
0.168 |
|
TSS |
0.574 |
0.273 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(10) Subpart C—Laundry.
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead used |
||
|
English units—pounds per 1,000,000 pounds of lead used |
||
|
Copper |
0.21 |
0.11 |
|
Lead |
0.05 |
0.02 |
|
Iron |
0.13 |
0.07 |
|
Oil and grease |
2.18 |
1.31 |
|
TSS |
4.47 |
2.13 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(11) Subpart C—Miscellaneous Wastewater Streams.
|
BPT EFFLUENT LIMITATIONS |
||
|---|---|---|
|
Pollutant or pollutant property |
Maximum for any 1 day |
Maximum for monthly average |
|
Metric units—mg/kg of lead used |
||
|
English units—pounds per 1,000,000 pounds of lead used |
||
|
Copper |
0.81 |
0.43 |
|
Lead |
0.18 |
0.09 |
|
Iron |
0.51 |
0.26 |
|
Oil and grease |
8.54 |
5.12 |
|
TSS |
17.51 |
8.33 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.461.31 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-40-461-31/
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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