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§ 415.226 Pretreatment standards for new sources (PSNS).
(a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing titanium dioxide by the sulfate process 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 V—Titanium Dioxide—Sulfate Process
| Pollutant or pollutant property | PSNS effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Milligrams per liter (mg/1) | ||
| Iron (T) | 8.5 | 2.5 |
| Chromium (T) | 0.57 | 0.30 |
| Nickel (T) | 0.38 | 0.20 |