Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following Pretreatment Standards for New Sources (PSNS):
Subpart Q - Sodium Dichromate
| Pollutant or pollutant property | PSNS effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Milligrams per liter | ||
| Chromium (T) | 1.0 | 0.50 |
| Hexavalent Chromium | 0.11 | 0.060 |
| Nickel (T) | 0.80 | 0.40 |
In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Chromium (T), Hexavalent Chromium, and Nickel (T) are the same as specified in § 415.175.
[47 FR 55226, Dec. 8, 1982]