Federal regulations · Through 2026-08-25 · Newer source version available

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.

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY
Subpart V—Titanium Dioxide Production Subcategory

(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.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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