40 CFR § 426.122 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 426.122 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
(a) Any manufacturing plant which produces incandescent lamp envelopes shall meet the following limitations with regard to the forming operations.
| Effluent characteristic | Effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days shall not exceed— | |
| Metric units (g/kkg of furnace pull) | ||
| Oil | 230.0 | 115.0 |
| TSS | 230.0 | 115.0 |
| pH | ( 1) | ( 1) |
| English units (lb/1,000 lb of furnace pull) | ||
| Oil | 0.23 | 0.115 |
| TSS | 0.23 | 0.115 |
| pH | ( 1) | ( 1) |
1 Within the range 6.0 to 9.0.
(b) Any manufacturing plant which frosts incandescent lamp envelopes shall meet the following limitations with regard to the finishing operations.
| Effluent characteristic | Effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days shall not exceed— | |
| Metric units (g/kkg of product frosted) | ||
| Fluoride | 230.0 | 115.0 |
| Ammonia | ( 1) | ( 1) |
| TSS | 460.0 | 230.0 |
| pH | ( 2) | ( 2) |
| English units (lb/1000 lb of product frosted) | ||
| Fluoride | 0.23 | 0.115 |
| Ammonia | ( 1) | ( 1) |
| TSS | 0.46 | 0.23 |
| pH | ( 2) | ( 2) |
1 No limitation.
2 Within the range 6.0 to 9.0.
[40 FR 2959, Jan. 16, 1975, as amended at 60 FR 33960, June 29, 1995]