40 CFR § 440.22
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
June 9, 2020
Except as provided in subpart L of this part and 40 CFR 125.30 through 125.32, any existing 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). The concentration of pollutants discharged in mine drainage from mines producing bauxite ores shall not exceed:
Open Table
Effluent characteristic | Effluent limitations | |
---|---|---|
Maximum for any 1 day | Average of daily values for 30 consecutive days | |
Milligrams per liter | ||
TSS | 30 | 20 |
Fe | 1.0 | .5 |
A1 | 2.0 | 1.0 |
pH | (1) | (1) |
1Within the range of 6.0 to 9.0.