40 CFR 440.82 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

§ 440.82 Effluent limitations representing 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 5,000 metric tons (5,512 short tons) or more of vanadium bearing ores per year shall not exceed:
Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
1 Within the range 6.0 to 9.0.
Milligrams per liter
TSS 30 20
Cd .10 .05
Cu .3 .15
Zn 1.0 .5
Pb .6 .3
As 1.0 .5
pH (1) (1)
(b) The concentration of pollutants discharged in mine drainage from mines producing less than 5,000 metric tons (5,512 short tons) or discharged from mills processing less than 5,000 metric tons (5,512 short tons) of vanadium ore per year by methods other than ore leaching shall not exceed:
Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
1 Within the range 6.0 to 9.0.
Milligrams per liter
TSS 50 30
pH (1) (1)
(c) The concentration of pollutants discharged from mills processing 5,000 metric tons (5,512 short tons) or more of vanadium ores per year by purely physical methods including ore crushing, washing, jigging, heavy media separation, and magnetic and electrostatic separation shall not exceed:
Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
1 Within the range 6.0 to 9.0.
Milligrams per liter
TSS 30 20
Cd .10 .05
Cu .30 .15
Zn 1.0 .5
As 1.0 .5
pH (1) (1)
(d) The concentration of pollutants discharged from mills processing 5,000 metric tons (5,512 short tons) or more of vanadium ores per year by froth flotation methods shall not exceed:
Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
1 Within the range 6.0 to 9.0.
Milligrams per liter
TSS 30 20
Cd .10 .05
Cu .30 .15
Zn 1.0 .5
As 1.0 .5
pH (1) (1)

Title 40 published on 2013-07-01

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