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415.225 New source performance standards (NSPS).

RegSenseWater ProgramsCFR RegulationsWater QualityEnvironmental Protection Agency (EPA)EnvironmentalWater QualityCFR SectionEnglishFocus AreaUSA

(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.
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