40 CFR § 415.672
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
June 9, 2020
(a) 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).
Subpart BO—Zinc Chloride
Open Table
| Pollutant or pollutant property | BPT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Milligrams per liter (mg/l) | ||
| TSS | 43 | 25 |
| Arsenic (T) | 3.0 | 1.0 |
| Zinc (T) | 11.4 | 3.8 |
| Lead (T) | 1.8 | 0.6 |
| pH | (1) | (1) |
1Within the range 6.0 to 10.0
[49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984]
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