The provisions of this subpart are applicable to discharges resulting from the manufacture of purified sodium phosphates from wet process phosphoric acid.
For the purpose of this subpart:
Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.
The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best practicable control technology currently available:
[Metric units (kg/kkg of product); English units (lb/1,000 lb of product)]
| Effluent characteristic
| Effluent limitations
|
|---|
| Maximum for any 1 day
| Average of daily values for 30 consecutive days shall not exceed—
|
|---|
| TSS | 0.50 | 0.25
|
| Total phosphorus (as P) | .80 | .40
|
| Fluoride (as F) | .30 | .15
|
| pH | (
1) | (
1)
|
The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable:
[Metric units (kg/kkg of product); English units (lb/1,000 lb of product)]
| Effluent characteristic
| Effluent limitations
|
|---|
| Maximum for any 1 day
| Average of daily values for 30 consecutive days shall not exceed—
|
|---|
| Total phosphorus (as P) | 0.56 | 0.28
|
| Fluoride (as F) | .21 | .11 |
The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the standards of performance for new sources:
[Metric units (kg/kkg of product); English units (lb/1,000 lb of product)]
| Effluent characteristic
| Effluent limitations
|
|---|
| Maximum for any 1 day
| Average of daily values for 30 consecutive days shall not exceed—
|
|---|
| TSS | 0.35 | 0.18
|
| Total phosphorus (as P) | .56 | .28
|
| Fluoride (as F) | .21 | .11
|
| pH | (
1) | (
1)
|
Except as provided in §§ 125.30 through 125.32, the following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best conventional pollutant control technology:
[Metric units (kg/kkg of product); English units (lb/1,000 lb of product)]
| Effluent characteristic
| Effluent limitations
|
|---|
| Maximum for any 1 day
| Average of daily values for 30 consecutive days shall not exceed—
|
|---|
| TSS | 0.35 | 0.18
|
| pH | (
1) | (
1)
|
authority: Secs. 301, 304 (b) and (c), 306 (b) and (c), and 307(c) of the Federal Water Pollution Control Act, as amended;
33 U.S.C. 1251,
1311,
1314,
1316,
1317; 86 Stat. 816
source: 39 FR 6582, Feb. 20, 1974, unless otherwise noted.
cite as: 40 CFR 422.61