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 BN - Sodium Chlorate
| Pollutant or pollutant property | PSNS effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Milligrams per liter (mg/l) | ||
| Antimony (T) | 1.6 | 0.8 |
| Chromium (T) | 0.64 | 0.32 |
In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for antimony(T) and chromium(T) are the same as specified in § 415.663.
[49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984]