View all text of Subpart Y [§ 408.250 - § 408.257]
§ 408.257 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
Except as provided in §§ 125.30 through 125.32, the following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best conventional pollutant control technology:
| Effluent characteristic | Effluent limitations | Maximum for any 1 day | Average of daily values for thirty consecutive days shall not exceed— | Metric units (kilograms per 1,000 kg of product) | TSS | 45 | 36 | Oil and grease | 2.2 | 1.7 | pH | ( 1) | ( 1) | English units (pounds per 1,000 lb of product) | TSS | 45 | 36 | Oil and grease | 2.2 | 1.7 | pH | ( 1) | ( 1) |
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1 Within the range 6.0 to 9.0.