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 | 16.3 | 8.7 |
TSS | 11.3 | 7.2 |
COD1 | 118.0 | 61 |
oil and grease | 4.8 | 2.6 |
Phenolic compounds | 0.119 | 0.058 |
Ammonia (as N) | 18.8 | 8.6 |
Sulfide | 0.105 | 0.048 |
Total chromium | 0.24 | 0.14 |
Hexavalent chromium | 0.020 | 0.0088 |
pH | (2) | (2) |
English units (pounds per 1,000 bbl of feedstock) | ||
BOD5 | 5.8 | 3.1 |
TSS | 4.0 | 2.5 |
COD1 | 41.5 | 21 |
Oil and grease | 1.7 | 0.93 |
Phenolic compounds | 0.042 | 0.020 |
Ammonia (as N) | 6.6 | 3.0 |
Sulfide | 0.037 | 0.017 |
Total chromium | 0.084 | 0.049 |
Hexavalent chromium | 0.0072 | 0.0032 |
pH | (2) | (2) |
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 24.9 | 0.91 |
25.0 to 49.9 | 0.95 |
50.0 to 74.9 | 1.04 |
75.0 to 99.9 | 1.13 |
100.0 to 124.9 | 1.23 |
125.0 to 149.9 | 1.35 |
150.0 or greater | 1.41 |
Process configuration | Process factor |
Less than 2.49 | 0.58 |
2.5 to 3.49 | 0.63 |
3.5 to 4.49 | 0.74 |
4.5 to 5.49 | 0.88 |
5.5 to 5.99 | 1.00 |
6.0 to 6.49 | 1.09 |
6.5 to 6.99 | 1.19 |
7.0 to 7.49 | 1.29 |
7.5 to 7.99 | 1.41 |
8.0 to 8.49 | 1.53 |
8.5 to 8.99 | 1.67 |
9.0 to 9.49 | 1.82 |
9.5 or greater | 1.89 |
40 C.F.R. §419.26