View all text of Subpart V [§ 415.220 - § 415.227]
§ 415.225 - New source performance standards (NSPS).
(a) Any new source subject to this subpart producing titanium dioxide by the sulfate process must achieve the following new source performance standards (NSPS):
Subpart V—Titanium Dioxide-Sulfate Process
| Pollutant or pollutant property | NSPS effluent limitations | Maximum for any 1 day | Average of daily values for 30 consecutive days | Kg/kkg (or pounds per 1,000 lb) of product | TSS | 110 | 30 | Iron (T) | 4.1 | 1.2 | Chromium (T) | 0.27 | 0.14 | Nickel (T) | 0.18 | 0.095 | pH | ( 1) | ( 1) |
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1 Within the range 6.0 to 9.0.
(b) Any new source subject to this subpart producing titanium dioxide by the chloride process must achieve the following new source performance standards (NSPS):
Subpart V—Titanium Dioxide-Chloride Process
| Pollutant or pollutant property | NSPS effluent limitations | Maximum for any 1 day | Average of daily values for 30 consecutive days | Kg/kkg (or pounds per 1,000 lb) of product | TSS | 14 | 4.0 | Iron (T) | 0.52 | 0.16 | Chromium (T) | 0.023 | 0.012 | ph | ( 1) | ( 1) |
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1 Within the range 6.0 to 9.0.
(c) Any new source subject to this subpart producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride-ilmenite) process must achieve the following new source performance standards (NSPS):
Subpart V—Titanium Dioxide-Chloride-Ilmenite Process
| Pollutant or pollutant property | NSPS effluent limitations | Maximum for any 1 day | Average of daily values for 30 consecutive days | Kg/kkg (or pounds per 1,000 lb) of product | TSS | 8.4 | 2.4 | Iron (T) | 0.32 | 0.096 | Chromium (T) | 0.014 | 0.0072 | Nickel (T) | 0.020 | 0.010 | pH | ( 1) | ( 1) |
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1 Within the range 6.0 to 9.0.