(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
| Pollutant or pollutant property
| BPT 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 | 140 | 38
|
| Chromium (T) | 0.48 | 0.21
|
| Nickel (T) | 0.29 | 0.14
|
| pH | (
1) | (
1)
|
(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
| Pollutant or pollutant property
| BPT 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 | 23 | 6.4
|
| Chromium (T) | 0.057 | 0.030
|
| pH | (
1) | (
1)
|
(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
| Pollutant or pollutant property
| BPT 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 | 35 | 9.6
|
| Chromium (T) | 0.12 | 0.053
|
| Nickel (T) | 0.072 | 0.035
|
| pH | (
1) | (
1)
|
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (the “Act”);
33 U.S.C. 1311,
1314,
c,
e,
and, 1316 (b) and
c, 1317 (b) and
c,
and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 47 FR 28278, June 29, 1982, unless otherwise noted.
cite as: 40 CFR 415.222