CFR
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417.172—Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
| Effluent characteristic | Effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days shall not exceed— | |
| Metric units (kilograms per 1,000 kg of anhydrous product) | ||
| BOD5 | 0.03 | 0.01 |
| COD | 0.21 | .07 |
| TSS | 0.03 | .01 |
| Surfactants | 0.03 | .01 |
| Oil and grease | 0.015 | .005 |
| pH | (1) | (1) |
| English units (pounds per 1,000 lb of anhydrous product) | ||
| BOD5 | 0.03 | 0.01 |
| COD | 0.21 | .07 |
| TSS | 0.03 | .01 |
| Surfactants | 0.03 | .01 |
| Oil and grease | 0.015 | .005 |
| pH | (1) | (1) |
| 1 Within the range 6.0 to 9.0. | ||
[39 FR 13372, Apr. 12, 1974, as amended at 60 FR 33955, June 29, 1995]
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