Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection - Wisconsin Pollutant Discharge Elimination System
Chapter NR 279 - Petroleum refining
Section NR 279.46 - Standards of performance for new sources (NSPS)
Current through August 26, 2024
(1) Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS):
NSPS effluent limitations |
||
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
Metric units (kilograms per 1,000 m3 of feedstock) |
||
BOD5 |
34.6 |
18.4 |
TSS |
23.4 |
14.9 |
COD1 |
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 |
0.22 |
0.1 |
Total chromium |
0.52 |
0.31 |
Hexavalent chromium |
0.046 |
0.021 |
pH |
(2) |
(2) |
English units (pounds per 1,000 bbl of feedstock) |
||
BOD5 |
12.2 |
6.5 |
TSS |
8.3 |
5.3 |
COD1 |
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 |
0.18 |
0.105 |
Hexavalent chromium |
0.022 |
0.0072 |
pH |
(2) |
(2) |
1 See footnote following table in s. NR 279.13(4).
2 Within the range of 6.0 to 9.0.
(2) The limits set forth in sub. (1) shall be multiplied by the following factors to calculate the maximum for any 1 day and maximum average of daily values for 30 consecutive days.
1000 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 |
1.0 |
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 |
Note: See the comprehensive example in s. NR 279.42(2) (c).
(3) The provisions of s. NR 279.16(3) apply to discharges of process wastewater pollutants attributable to ballast water by a point source subject to the provisions of this subcategory.
(4) The quantity and quality of pollutants or pollutant properties controlled by this subsection, attributable to once-through cooling water, are excluded from the discharge allowed by sub. (2). Once-through cooling water may be discharged with a total organic carbon concentration not to exceed 5 mg/l.