The following limitations establish the quantity or quality of pollutants or pollutant properties which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable:
(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 |
[41 FR 2387, Jan. 16, 1976, as amended at 42 FR 16141, Mar. 25, 1977]
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