Regulations last checked for updates: May 04, 2025
Title 40 - Protection of Environment last revised: Nov 04, 2025
§ 461.10 - Applicability; description of the cadmium subcategory.
This subpart applies to discharges to waters of the United States, and introductions of pollutants into publicly owned treatment works from the manufacturing of cadmium anode batteries.
§ 461.11 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
(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 A—Pasted and Pressed Powder Anodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 0.92 | 0.41
|
| Nickel | 5.18 | 3.43
|
| Zinc | 3.94 | 1.65
|
| Cobalt | 0.57 | 0.24
|
| Oil and grease | 54.00 | 32.40
|
| TSS | 111.00 | 52.65
|
| pH | (
1) | (
1)
|
(2) Subpart A—Electrodeposited Anodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 237.0 | 104.6
|
| Nickel | 1,338.2 | 885.2
|
| Zinc | 1,017.6 | 425.2
|
| Cobalt | 146.4 | 62.7
|
| Oil and grease | 13,940.0 | 8,364.0
|
| TSS | 28,577.0 | 13,592.0
|
| pH | (
1) | (
1)
|
(3) Subpart A—Impregnated Anodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 339.3 | 149.7
|
| Nickel | 1,916.2 | 1,267.5
|
| Zinc | 1,457.1 | 608.8
|
| Cobalt | 209.6 | 89.8
|
| Oil and grease | 19,960.0 | 11,976.0
|
| TSS | 40,918.0 | 19,461.0
|
| pH | (
1) | (
1)
|
(4) Subpart A—Nickel Electrodeposited Cathodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel applied
|
| | English units—pounds per 1,000,000 pounds of nickel applied
|
| Cadmium | 193.5 | 85.4
|
| Nickel | 1,092.5 | 722.6
|
| Zinc | 830.7 | 347.1
|
| Cobalt | 119.5 | 51.2
|
| Oil and grease | 11,380.0 | 6,828.0
|
| TSS | 23,329.0 | 11,095.5
|
| pH | (
1) | (
1)
|
(5) Subpart A—Nickel Impregnated Cathodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel applied
|
| | English units—pounds per 1,000,000 pounds of nickel applied
|
| Cadmium | 557.6 | 246.0
|
| Nickel | 3,148.8 | 2,082.8
|
| Zinc | 2,394.4 | 1,000.4
|
| Cobalt | 344.4 | 147.6
|
| Oil and grease | 32,800.0 | 19,680.0
|
| TSS | 67,240.0 | 31,980.0
|
| pH | (
1) | (
1)
|
(6) Subpart A—Miscellaneous Wastewater Streams.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cells produced
|
| | English units—pounds per 1,000,000 pounds of cells produced
|
| Cadmium | 6.29 | 2.77
|
| Nickel | 35.54 | 23.50
|
| Zinc | 27.02 | 11.29
|
| Cobalt | 3.89 | 1.66
|
| Oil and grease | 370.20 | 222.12
|
| TSS | 758.91 | 360.94
|
| pH | (
1) | (
1)
|
(7) Subpart A—Cadmium Powder Production.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium powder produced
|
| | English units—pounds per 1,000,000 pounds of cadmium powder produced
|
| Cadmium | 22.34 | 9.86
|
| Nickel | 126.14 | 83.44
|
| Zinc | 95.92 | 40.08
|
| Cobalt | 13.80 | 5.91
|
| Oil and grease | 1,314.00 | 788.40
|
| TSS | 2,693.00 | 1,281.20
|
| pH | (
1) | (
1)
|
(8) Subpart A—Silver Powder Production.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of silver powder produced
|
| | English units—pounds per 1,000,000 pounds of silver powder produced
|
| Cadmium | 7.21 | 3.18
|
| Nickel | 40.70 | 26.92
|
| Silver | 8.69 | 3.61
|
| Zinc | 30.95 | 12.93
|
| Cobalt | 4.45 | 1.91
|
| Oil and grease | 424.00 | 254.40
|
| TSS | 869.20 | 413.40
|
| pH | (
1) | (
1)
|
(9) Subpart A—Cadmium Hydroxide Production.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium used
|
| | English units—pounds per 1,000,000 pounds of cadmium used
|
| Cadmium | 0.31 | 0.14
|
| Nickel | 1.73 | 1.14
|
| Zinc | 1.31 | 0.55
|
| Cobalt | 0.19 | 0.08
|
| Oil and grease | 18.00 | 10.80
|
| TSS | 36.90 | 17.60
|
| pH | (
1) | (
1)
|
(10) Subpart A—Nickel Hydroxide Production.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel used
|
| | English units—pounds per 1,000,000 pounds of nickel used
|
| Cadmium | 37.4 | 16.5
|
| Nickel | 211.2 | 139.7
|
| Zinc | 160.6 | 67.1
|
| Cobalt | 23.1 | 9.9
|
| Oil and grease | 2,200.0 | 1,320.0
|
| TSS | 4,510.0 | 2,145.0
|
| pH | (
1) | (
1)
|
(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.
§ 461.12 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
(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 available technology economically achievable:
(1) Subpart A—Electrodeposited Anodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 11.95 | 5.27
|
| Nickel | 67.49 | 44.64
|
| Zinc | 51.32 | 21.44
|
| Cobalt | 7.38 | 3.16 |
(2) Subpart A—Impregnated Anodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 68.0 | 30.0
|
| Nickel | 384.0 | 254.0
|
| Zinc | 292.0 | 122.0
|
| Cobalt | 42.0 | 18.0 |
(3) Subpart A—Nickel Electrodeposited Cathodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel applied
|
| | English units—pounds per 1,000,000 pounds of nickel applied
|
| Cadmium | 11.22 | 4.95
|
| Nickel | 63.36 | 41.91
|
| Zinc | 48.18 | 20.13
|
| Cobalt | 6.93 | 2.97 |
(4) Subpart A—Nickel Impregnated Cathodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel applied
|
| | English units—pounds per 1,000,000 pounds of nickel applied
|
| Cadmium | 68.0 | 30.0
|
| Nickel | 384.0 | 254.0
|
| Zinc | 292.0 | 122.0
|
| Cobalt | 42.0 | 18.0 |
(5) Subpart A—Miscellaneous Wastewater Streams.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cells produced
|
| | English units—pounds per 1,000,000 pounds of cells produced
|
| Cadmium | 0.79 | 0.35
|
| Nickel | 4.47 | 2.96
|
| Zinc | 3.40 | 1.42
|
| Cobalt | 0.49 | 0.21 |
(6) Subpart A—Cadmium Powder Production.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium powder produced
|
| | English units—pounds per 1,000,000 pounds of cadmium powder produced
|
| Cadmium | 2.23 | 0.99
|
| Nickel | 12.61 | 8.34
|
| Zinc | 9.59 | 4.01
|
| Cobalt | 1.38 | 0.59 |
(7) Subpart A—Silver Powder Production.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of silver powder produced
|
| | English units—pounds per 1,000,000 pounds of silver powder produced
|
| Cadmium | 1.09 | 0.48
|
| Nickel | 6.16 | 4.08
|
| Silver | 1.32 | 0.55
|
| Zinc | 4.69 | 1.96
|
| Cobalt | 0.67 | 0.29 |
(8) Subpart A—Cadmium Hydroxide Production.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium used
|
| | English units—pounds per 1,000,000 pounds of cadmium used
|
| Cadmium | 0.05 | 0.02
|
| Nickel | 0.27 | 0.18
|
| Zinc | 0.20 | 0.09
|
| Cobalt | 0.03 | 0.01 |
(9) Subpart A—Nickel Hydroxide Production.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel used
|
| | English units—pounds per 1,000,000 pounds of nickel used
|
| Cadmium | 5.61 | 2.48
|
| Nickel | 31.68 | 20.96
|
| Zinc | 24.09 | 10.07
|
| Cobalt | 3.47 | 1.49 |
(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.
§ 461.13 - New source performance standards (NSPS).
(a) The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below:
(1) Subpart A—Electrodeposited Anodes—NSPS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 7.03 | 2.81
|
| Nickel | 19.33 | 13.01
|
| Zinc | 35.85 | 14.76
|
| Cobalt | 4.92 | 2.46
|
| Oil and grease | 351.5 | 351.5
|
| TSS | 527.3 | 421.8
|
| pH | (
1) | (
1)
|
(2) Subpart A—Impregnated Anodes—NSPS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 40.0 | 16.0
|
| Nickel | 110.0 | 74.0
|
| Zinc | 204.0 | 84.0
|
| Cobalt | 28.0 | 14.0
|
| Oil and grease | 2,000.0 | 2,000.0
|
| TSS | 3,000.0 | 2,400.0
|
| pH | (
1) | (
1)
|
(3) Subpart A—Nickel Electrodeposited Cathodes—NSPS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel applied
|
| | English units—pounds per 1,000,000 pounds of nickel applied
|
| Cadmium | 6.60 | 2.64
|
| Nickel | 18.15 | 12.21
|
| Zinc | 33.66 | 13.86
|
| Cobalt | 4.62 | 2.31
|
| Oil and grease | 330.0 | 330.0
|
| TSS | 495.0 | 396.0
|
| pH | (
1) | (
1)
|
(4) Subpart A—Nickel Impregnated Cathodes—NSPS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel applied
|
| | English units—pounds per 1,000,000 pounds of nickel applied
|
| Cadmium | 40.0 | 16.0
|
| Nickel | 110.0 | 74.0
|
| Zinc | 204.0 | 84.0
|
| Cobalt | 28.0 | 14.0
|
| Oil and grease | 2,000.0 | 2,000.0
|
| TSS | 3,000.0 | 2,400.0
|
| pH | (
1) | (
1)
|
(5) Subpart A—Miscellaneous Wastewater Streams—NSPS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cells produced
|
| | English units—pounds per 1,000,000 pounds of cells produced
|
| Cadmium | 0.47 | 0.19
|
| Nickel | 1.28 | 0.86
|
| Zinc | 2.38 | 0.98
|
| Cobalt | 0.33 | 0.16
|
| Oil and grease | 23.3 | 23.3
|
| TSS | 35.0 | 28.0
|
| pH | (
1) | (
1)
|
(6) Subpart A—Cadmium Powder Production—NSPS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium powder produced
|
| | English units—pounds per 1,000,000 pounds of cadmium powder produced
|
| Cadmium | 1.31 | 0.53
|
| Nickel | 3.61 | 2.43
|
| Zinc | 6.70 | 2.76
|
| Cobalt | 0.92 | 0.46
|
| Oil and grease | 65.70 | 65.70
|
| TSS | 98.55 | 78.84
|
| pH | (
1) | (
1)
|
(7) Subpart A—Silver Powder Production—NSPS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of silver powder produced
|
| | English units—pounds per 1,000,000 pounds of silver powder produced
|
| Cadmium | 0.64 | 0.26
|
| Nickel | 1.77 | 1.19
|
| Silver | 0.93 | 0.39
|
| Zinc | 3.27 | 1.35
|
| Cobalt | 0.45 | 0.22
|
| Oil and grease | 32.10 | 32.10
|
| TSS | 48.15 | 38.52
|
| pH | (
1) | (
1)
|
(8) Subpart A—Cadmium Hydroxide Production—NSPS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium used
|
| | English units—pounds per 1,000,000 pounds of cadmium used
|
| Cadmium | 0.028 | 0.011
|
| Nickel | 0.077 | 0.051
|
| Zinc | 0.142 | 0.058
|
| Cobalt | 0.019 | 0.009
|
| Oil and grease | 1.40 | 1.40
|
| TSS | 2.10 | 1.68
|
| pH | (
1) | (
1)
|
(9) Subpart A—Nickel Hydroxide Production—NSPS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel used
|
| | English units—pounds per 1,000,000 pounds of nickel used
|
| Cadmium | 3.30 | 1.32
|
| Nickel | 9.08 | 6.11
|
| Zinc | 16.83 | 6.93
|
| Cobalt | 2.31 | 1.16
|
| Oil and grease | 165.0 | 165.0
|
| TSS | 247.5 | 198.0
|
| pH | (
1) | (
1)
|
(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.
[49 FR 9134, Mar. 9, 1984; 49 FR 13879, Apr. 9, 1984]
§ 461.14 - Pretreatment standards for existing sources (PSES).
(a) Except as provided in 40 CFR 403.7 and § 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the pretreatment standards for existing sources listed below:
(1) Subpart A—Electrodeposited Anodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 11.95 | 5.27
|
| Nickel | 67.49 | 44.64
|
| Zinc | 51.32 | 21.44
|
| Cobalt | 7.38 | 3.16 |
(2) Subpart A—Impregnated Anodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 68.0 | 30.0
|
| Nickel | 384.0 | 254.0
|
| Zinc | 292.0 | 122.0
|
| Cobalt | 42.0 | 18.0 |
(3) Subpart A—Nickel Electrodeposited Cathodes.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel applied
|
| | English units—pounds per 1,000,000 pounds of nickel applied
|
| Cadmium | 11.22 | 4.95
|
| Nickel | 63.36 | 41.91
|
| Zinc | 48.18 | 20.13
|
| Cobalt | 6.93 | 2.97 |
(4) Subpart A—Nickel Impregnated Cathodes—PSES.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel applied
|
| | English units—pounds per 1,000,000 pounds of nickel applied
|
| Cadmium | 68.0 | 30.0
|
| Nickel | 384.0 | 254.0
|
| Zinc | 292.0 | 122.0
|
| Cobalt | 42.0 | 18.0 |
(5) Subpart A—Miscellaneous Wastewater Streams—PSES.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cells produced
|
| | English units—pounds per 1,000,000 pounds of cells produced
|
| Cadmium | 0.79 | 0.35
|
| Nickel | 4.47 | 2.96
|
| Zinc | 3.40 | 1.42
|
| Cobalt | 0.49 | 0.21 |
(6) Subpart A—Cadmium Powder Production—PSES.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium powder produced
|
| | English units—pounds per 1,000,000 pounds of cadmium powder produced
|
| Cadmium | 2.23 | 0.99
|
| Nickel | 12.61 | 8.34
|
| Zinc | 9.59 | 4.01
|
| Cobalt | 1.38 | 0.59 |
(7) Subpart A—Silver Powder Production—PSES.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of silver powder produced
|
| | English units—pounds per 1,000,000 pounds of silver powder produced
|
| Cadmium | 1.09 | 0.48
|
| Nickel | 6.16 | 4.08
|
| Silver | 1.32 | 0.55
|
| Zinc | 4.69 | 1.96
|
| Cobalt | 0.67 | 0.29 |
(8) Subpart A—Cadmium Hydroxide Production—PSES.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium used
|
| | English units—pounds per 1,000,000 pounds of cadmium used
|
| Cadmium | 0.05 | 0.02
|
| Nickel | 0.27 | 0.18
|
| Zinc | 0.20 | 0.09
|
| Cobalt | 0.03 | 0.012 |
(9) Subpart A—Nickel Hydroxide Production—PSES.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel used
|
| | English units—pounds per 1,000,000 pounds of nickel used
|
| Cadmium | 5.61 | 2.48
|
| Nickel | 31.68 | 20.96
|
| Zinc | 24.09 | 10.07
|
| Cobalt | 3.47 | 1.49 |
(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.
§ 461.15 - Pretreatment standards for new sources (PSNS).
(a) Except as provided in 40 CFR 403.7 any new source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the pretreatment standards for new sources listed below:
(1) Subpart A—Electrodeposited Anodes—PSNS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 7.03 | 2.81
|
| Nickel | 19.33 | 13.01
|
| Zinc | 35.85 | 14.76
|
| Cobalt | 4.92 | 2.46 |
(2) Subpart A—Impregnated Anodes—PSNS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium
|
| | English units—pounds per 1,000,000 pounds of cadmium
|
| Cadmium | 40.0 | 16.0
|
| Nickel | 110.0 | 74.0
|
| Zinc | 204.0 | 84.0
|
| Cobalt | 28.0 | 14.0 |
(3) Subpart A—Nickel Electrodeposited Cathodes—PSNS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel applied
|
| | English units—pounds per 1,000,000 pounds of nickel applied
|
| Cadmium | 6.60 | 2.64
|
| Nickel | 18.15 | 12.21
|
| Zinc | 33.66 | 13.86
|
| Cobalt | 4.62 | 2.31 |
(4) Subpart A—Nickel Impregnated Cathodes—PSNS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel applied
|
| | English units—pounds per 1,000,000 pounds of nickel applied
|
| Cadmium | 40.0 | 16.0
|
| Nickel | 110.0 | 74.0
|
| Zinc | 204.0 | 84.0
|
| Cobalt | 28.0 | 14.0 |
(5) Subpart A—Miscellaneous Wastewater Streams—PSNS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cells produced
|
| | English units—pounds per 1,000,000 pounds of cells produced
|
| Cadmium | 0.47 | 0.19
|
| Nickel | 1.28 | 0.86
|
| Zinc | 2.38 | 0.98
|
| Cobalt | 0.33 | 0.16 |
(6) Subpart A—Cadmium Powder Production—PSNS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average.
|
|---|
| | Metric units—mg/kg of cadmium powder produced
|
| | English units—pounds per 1,000,000 pounds of cadmium powder produced
|
| Cadmium | 1.31 | 0.53
|
| Nickel | 3.61 | 2.43
|
| Zinc | 6.70 | 2.76
|
| Cobalt | 0.92 | 0.46 |
(7) Subpart A—Silver Powder Production—PSNS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average.
|
|---|
| | Metric units—mg/kg of silver powder produced
|
| | English units—pounds per 1,000,000 pounds of silver powder produced
|
| Cadmium | 0.64 | 0.26
|
| Nickel | 1.77 | 1.19
|
| Silver | 0.93 | 0.39
|
| Zinc | 3.27 | 1.35
|
| Cobalt | 0.45 | 0.22 |
(8) Subpart A—Cadmium Hydroxide Production—PSNS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of cadmium used
|
| | English units—pounds per 1,000,000 pounds of cadmium used
|
| Cadmium | 0.028 | 0.011
|
| Nickel | 0.077 | 0.051
|
| Zinc | 0.142 | 0.058
|
| Cobalt | 0.019 | 0.009 |
(9) Subpart A—Nickel Hydroxide Production—PSNS.
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| | Metric units—mg/kg of nickel used
|
| | English units—pounds per 1,000,000 pounds of nickel used
|
| Cadmium | 3.30 | 1.32
|
| Nickel | 9.08 | 6.11
|
| Zinc | 16.83 | 6.93
|
| Cobalt | 2.31 | 1.16 |
(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 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) and
c, 1317 (b) and
c,
and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 49 FR 9134, Mar. 9, 1984, unless otherwise noted.
cite as: 40 CFR 461.15