| Pollutant or pollutant property | NSPS effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days shall not exceed | |
| Metric units (kilograms per 1,000 m3 of feedstock) | ||
| BOD5 | 34.6 | 18.4 |
| TSS | 23.4 | 14.9 |
| COD 1 | 245.0 | 126.0 |
| Oil and grease | 10.5 | 5.6 |
| Phenolic compounds | 0.25 | 0.12 |
| Ammonia as N | 23.4 | 10.7 |
| Sulfide | 0.220 | 0.10 |
| Total chromium | 0.52 | 0.31 |
| Hexavalent chromium | 0.046 | 0.021 |
| pH | (2) | (2) |
| English units (pounds per 1,000 bbl of feedstock) | ||
| BOD 1 | 12.2 | 6.5 |
| TSS | 8.3 | 5.3 |
| COD 1 | 87.0 | 45.0 |
| Oil and grease | 3.8 | 2.0 |
| Phenolic compounds | 0.088 | 0.043 |
| Ammonia as N | 8.3 | 3.8 |
| Sulfide | 0.078 | 0.035 |
| Total chromium | 0.180 | 0.105 |
| Hexavalent chromium | 0.022 | 0.0072 |
| pH | (2) | (2) |
|
Code of Federal Regulations
381
|
||
| 1 See footnote following table in § 419.13(d) . | ||
| 2 Within the range 6.0 to 9.0. | ||
| 1,000 bbl of feedstock per stream day | Size factor |
|---|---|
| Less than 49.9 | 0.71 |
| 50.0 to 74.9 | 0.74 |
| 75.0 to 99.9 | 0.81 |
| 100.0 to 124.9 | 0.88 |
| 125.0 to 149.9 | 0.97 |
| 150.0 to 174.9 | 1.05 |
| 175.0 to 199.9 | 1.14 |
| 200.0 or greater | 1.19 |
| Process configuration | Process factor |
|---|---|
| Less than 6.49 | 0.81 |
| 6.5 to 7.49 | 0.88 |
| 7.5 to 7.99 | 1.00 |
| 8.0 to 8.49 | 1.09 |
| 8.5 to 8.99 | 1.19 |
| 9.0 to 9.49 | 1.29 |
| 9.5 to 9.99 | 1.41 |
| 10.0 to 10.49 | 1.53 |
| 10.5 to 10.99 | 1.67 |
| 11.0 to 11.49 | 1.82 |
| 11.5 to 11.99 | 1.98 |
| 12.0 to 12.49 | 2.15 |
| 12.5 to 12.99 | 2.34 |
| 13.0 or greater | 2.44 |