.05 .15 Zn 1.0 for 30 con $ 440.61 [Reserved) ical methods including ore crushing, washing, jigging, heavy media separa$440.62 Effluent limitations rep- tion, and magnetic and electrostatic resenting the degree of effluent reduction attainable by the applica separation shall not exceed: tion of the best practicable control Effluent limitations technology currently available (BPT). Effluent characteristic Average of Maximum for daily values Except as provided in subpart L of any 1 day for 30 con secutive days this part and 40 CFR 125.30 through 125.32, any existing point source sub Milligrams per liter ject to this subpart must achieve the TSS effluent limitations rep 30 20 following Cd .10 resenting the degree of effluent reduc Cu .30 tion attainable by the application of 1.0 .5 the best practicable control technology As .5 currently available (BPT): рн () (1) (a) The concentration of pollutants Within the range 6.0 to 9.0. discharged in mine drainage from mines producing 5000 metric tons (5512 (d) The concentration of pollutants short tons) or more of tungsten bearing discharged from mills processing 5000 ores per year shall not exceed: metric tons (5512 short tons) or more of tungsten ores per year by froth flotaEffluent limitations tion methods shall not exceed: Effluent characteristic Average of Effluent limitations Average of Maximum for daily values Milligrams per liter any 1 day secutive days TSS 20 Milligrams per liter Cu .15 20 Pb 1.0 .30 DH (") 1.0 "Within the range 6.0 to 9.0. PH (1) (1) (b) The concentration of pollutants Within the range 6.0 to 9.0. discharged in mine drainage from mines producing less than 5000 metric $ 440.63 Effluent limitations reptons (5512 short tons) or discharged resenting the degree of effluent refrom mills processing less than 5000 duction attainable by the applicametric tons (5512 short tons) of tung- tion of the best available techsten ores per year by methods other nology economically achievable than ore leaching shall not exceed: (BAT). Effluent limitations Except as provided in subpart L of Average of this part and 40 CFR 125.30 through Effluent characteristic Maximum daily values 125.32, any existing point source sub for any 1 ject to this subpart must achieve the days following limitations representing the Milligrams per liter degree of effluent reduction attainable by the application of the best available TSS 30 technology economically achievable (') (") (BAT): Within the range 6.0 to 9.0. (a) The concentration of pollutants (C) The concentration of pollutants discharged in mine drainage from tungdischarged from mills processing 5000 sten mines shall not exceed: metric tons (5512 short tons) or more of tungsten ores per year by purely phys .05 30 .10 .3 1.0 .6 5 30 .10 Cd .05 .15 .5 .5 Zn 1.0 for 30 con- 50 PH $ 440.64 New performance standards (NSPS). Except as provided in subpart L of this part any new source subject to this subpart must achieve the following NSPS representing the degree of effluent reduction attainable by the application of the best available demonstrated technology (BADT): (a) The concentration of pollutants discharged in mine drainage from tungsten mines shall not exceed: $ 440.71 (Reserved) $ 440.72 Effluent limitations rep resenting the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). Except as provided in subpart L of this part and 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): (a) The concentration of pollutants discharged in mine drainage from mines producing 5000 metric tons (5512 short tons) or more of nickel bearing ores per year shall not exceed: $ 440.91 (Reserved] $ 440.92 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control echnology currently available (BPT). (Reserved] mining operations) or mines and mills that use gravity separation methods to extract silver from placer ores are not covered under this part. (d) The provisions of this subpart shall not apply to discharges from the Quartz Hill Molybdenum Project in the Tongass National Forest, Alaska. (47 FR 54609, Dec. 3, 1982, as amended at 53 FR 18788, May 24, 1988] $ 440.93 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). [Reserved) $ 440.94 New source performance standards (NSPS). [Reserved) $ 440.95 Effluent limitations rep resenting the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). [Reserved) 8 440.102 Effluent limitations rep resenting the degree of effluent reduction attainable by the application of the best practicable control technology (BPT). Except as provided in subpart L of this part and 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): (a) The concentration of pollutants discharged in mine drainage from mines operated to obtain copper bearing ores, lead bearing ores, zinc bearing ores, gold bearing ores, or silver bearing ores, or any combination of these ores open-pit or underground operations other than placer deposits shall not exceed: Subpart J-Copper, Lead, Zinc, Gold, Silver, and Molyb denum Ores Subcategory $ 440.100 Applicability; description of the copper, lead, zinc, gold, silver, and molybdenum ores subcategory. (a) The provisions of this subpart J are applicable to discharges from (1) Mines that produce copper, lead, zinc, gold, silver, or molybdenum bearing ores, or any combination of these ores from open-pit or underground operations other than placer deposits; (2) Mills that use the froth-flotation process alone or in conjunction with other processes, for the beneficiation of copper, lead, zinc, gold, silver, or molybdenum ores, or any combination of these ores; (3) Mines and mills that use dump, heap, in-situ leach, or vat-leach processes to extract copper from ores or ore waste materials; and (4) Mills that use the cyanidation process to extract gold or silver. (b) Discharge from mines or mines and mills that use gravity separation methods (including placer or dredge mining or concentrating operations, and hydraulic mining operations) to extract gold ores are regulated under subpart M. (c) Discharge from mines (including placer or dredge mining, and hydraulic Average of daily values for 30 con secutive days |