40 CFR § 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.