40 CFR § 469.24
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 40 CFR 125.30 through 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):
Subpart B—Electronic Crystals BPT Effluent Limitations
Open Table
| Pollutant or pollutant property | Maximum for any 1 day | Average of daily values for 30 consecutive days |
|---|---|---|
| Milligrams per liter (mg/l) | ||
| TTO1 | 1.37 | (3) |
| Arsenic (T)2 | 2.09 | 0.83 |
| Fluoride (T) | 32.0 | 17.4 |
| TSS | 61.0 | 23.0 |
| pH | (4) | (4) |
1Total toxic organics.
2The arsenic (T) limitation only applies to manufacturers of gallium or indium arsenide crystals.
3Not applicable.
4Within the range of 6.0 to 9.0.
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