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
|
(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
|