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 ) 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 ) 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 ) 1 Within the range 6.0 to 9.0.