40 CFR 418.55: Standards of performance for new sources.

The following standards of performance establish the quantity or quality of pollutants or pollutant properties which may be discharged by a new source subject to the provisions of this subpart:

(a) The following limitations establish the quantity or quality of pollutants which may be discharged in process waste water from nitric acid production in which all the raw material ammonia is in the gaseous form:

[Metric units, kg/kkg of product; English units, lb/1,000 lb of product]

Effluent characteristic Effluent limitations

Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—

Ammonia (as N) 0.0045 0.00045

Nitrate (as N) 0.17 0.023

(b) The following limitations establish the quantity or quality of pollutants which may be discharged in process waste water from nitric acid production in which all the raw material ammonia is in the shipped liquid form:

[Metric units, kg/kkg of product; English units, lb/1,000 lb of product]

Effluent characteristic Effluent limitations

Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—

Ammonia (as N) 0.08 0.008

Nitrate (as N) 0.17 0.023