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Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 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 (b), (c), (e), and (g), 1316 (b) and (c), 1317 (b) and (c), and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.
47 FR 28278, June 29, 1982, unless otherwise noted.
49 FR 33427, Aug. 22, 1984, unless otherwise noted.
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49 FR 33427, Aug. 22, 1984, unless otherwise noted.
The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of cobalt salts.
For the purpose of this subpart:
(a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.
(b) The term product shall mean cobalt salts.
(c) The term cobalt shall mean the total cobalt present in the process wastewater stream exiting the wastewater treatment system.
(d) The term copper shall mean the total copper present in the process wastewater stream exiting the wastewater treatment system.
(e) The term nickel shall mean the total nickel present in the process wastewater stream exiting the wastewater treatment system.
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 (BPT):
| Pollutant or pollutant property | BPT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (or pounds per/1,000 lb) of product | ||
| TSS | 0.0023 | 0.0014 |
| Cobalt (T) | 0.0003 | 0.00012 |
| Copper (T) | 2.7 × 10−4 | 8.3 × 10−5 |
| Nickel (T) | 2.7 × 10−4 | 8.3 × 10−5 |
| pH | (1) | (1) |
| 1 Within the range 6.0 to 9.0. | ||
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 (BAT): The limitations for cobalt (T), copper (T), and nickel (T), are the same as specified in § 415.652.
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 following pretreatment standards for existing sources (PSES):
| Pollutant or pollutant property | PSES effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Milligrams per liter (mg/l) | ||
| Cobalt (T) | 3.6 | 1.4 |
| Copper (T) | 3.3 | 1.0 |
| Nickel (T) | 3.3 | 1.0 |
In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for cobalt (T), copper (T), and nickel (T), are the same as specified in § 415.652.
Any new source subject to this subpart must achieve the following new source performance standards (NSPS): The limitations for pH, TSS, cobalt (T), copper (T), and nickel (T) are the same as specified in § 415.652.
Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations for cobalt (T), copper (T), and nickel (T), are the same as specified in § 415.654.
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 conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in § 415.652.