§ 418.35 Standards of performance for new sources.
Current through Aug 22, 2025 · Read all of Part 418
The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:
(a) The following limitations constitute the maximum permissible discharge for urea manufacturing operations in which urea is produced as a solution product:
| Effluent characteristics | Effluent limitations (mg/l) | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days shall not exceed— | |
| Ammonia (as N) | 0.53 | 0.27 |
| Organic nitrogen (as N) | .45 | .24 |
Note: Metric units: Kilogram/1,000 kg of product; English units: Pound/1,000 lb of product.
(b) The following limitations constitute the maximum permissible discharge for urea manufacturing operations in which urea is prilled or granulated:
| Effluent characteristics | Effluent limitations (mg/l) | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days shall not exceed— | |
| Ammonia (as N) | 0.53 | 0.27 |
| Organic nitrogen (as N) | .86 | .46 |
Note: Metric units: Kilogram/1,000 kg of product; English units: Pound/1,000 lb of product.
[39 FR 12836, Apr. 8, 1974, as amended at 43 FR 17827, Apr. 26, 1978; 44 FR 9388, Feb. 13, 1979]