40 CFR 415.225 - New source performance standards (NSPS).

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§ 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)

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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