Standards of performance for new sources.

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. (Sec. 306(b), Federal Water Pollution Control Act, as amended (33 U.S.C. 1316(c))) [39 FR 12836, Apr. 8, 1974, as amended at 43 FR 17827, Apr. 26, 1978; 44 FR 9388, Feb. 13, 1979]