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 limitations (mg/l)
-----------------------------
Average of daily
Effluent characteristics Maximum values for 30
for any 1 consecutive days
day shall not
exceed--------------------------------------------------------------------------Ammonia (as N)............................ 0.53 0.27Organic 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 limitations (mg/l)
-----------------------------
Average of daily
Effluent characteristics Maximum values for 30
for any 1 consecutive days
day shall not
exceed--------------------------------------------------------------------------Ammonia (as N)............................ 0.53 0.27Organic 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]