Wis. Admin. Code NR § 230.224
Any new source subject to this subchapter shall achieve the following NSPS:
Table 32
Titanium Dioxide Sulfate Process
NSPS | ||
kg/kkg (pounds per 1,000 pounds) of titanium dioxide | ||
Pollutant or pollutant property | Maximum for any 1 day | Average of daily values for 30 consecutive days |
TSS | 110 | 30 |
Iron | 4.1 | 1.2 |
Chromium | 0.27 | 0.14 |
Nickel | 0.18 | 0.095 |
pH | (1) | (1) |
(1) Within the range of 6.0 to 9.0
Table 33
Titanium Dioxide Chloride Process
NSPS | ||
kg/kkg (pounds per 1,000 pounds) of titanium dioxide | ||
Pollutant or pollutant property | Maximum for any 1 day | Average of daily values for 30 consecutive days |
TSS | 14 | 4.0 |
Iron | 0.52 | 0.16 |
Chromium | 0.023 | 0.012 |
pH | (1) | (1) |
(1) Within the range of 6.0 to 9.0
Table 34
Titanium Dioxide Chloride-Ilmenite Process
NSPS | ||
kg/kkg (pounds per 1,000 pounds) of titanium dioxide | ||
Pollutant or pollutant property | Maximum for any 1 day | Average of daily values for 30 consecutive days |
TSS | 8.4 | 2.4 |
Iron | 0.32 | 0.096 |
Chromium | 0.014 | 0.0072 |
Nickel | 0.020 | 0.010 |
pH | (1) | (1) |
(1) Within the range of 6.0 to 9.0
Wis. Admin. Code Department of Natural Resources § NR 230.224