(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the sulfate process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Subpart V--Titanium Dioxide-Sulfate Process------------------------------------------------------------------------
BPT effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Kg/kkg (or pounds per
1,000 lb) of product
---------------TSS......................................... 140 38Chromium (T)................................ 0.48 0.21Nickel (T).................................. 0.29 0.14pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range 6.0 to 9.0.
(b) Except as provided for in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the chloride process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Subpart V--Titanium Dioxide-Chloride Process------------------------------------------------------------------------
BPT effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Kg/kkg (or pounds per
1,000 lb) of product
---------------TSS......................................... 23 6.4Chromium (T)................................ 0.057 0.030pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range 6.0 to 9.0.
(c) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride/ilmenite) process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Subpart V--Titanium Dioxide-Chloride-Ilmenite Process------------------------------------------------------------------------
BPT effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Kg/kkg (or pounds per
1,000 lb) of product
---------------TSS......................................... 35 9.6Chromium (T)................................ 0.12 0.053Nickel (T).................................. 0.072 0.035pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range 6.0 to 9.0. [47 FR 28278, June 29, 1982, as amended at 47 FR 55227, Dec. 8, 1982]