Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection - Wisconsin Pollutant Discharge Elimination System
Chapter NR 279 - Petroleum refining
Section NR 279.12 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
Current through August 26, 2024
(1) Except as provided in 40 CFR 125.30- 125.32 any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
BPT 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 |
22.7 |
12.0 |
|
TSS |
15.8 |
10.1 |
|
COD1 |
117.0 |
60.3 |
|
Oil and grease |
6.9 |
3.7 |
|
Phenolic compounds |
0.168 |
0.076 |
|
Ammonia as N |
2.81 |
1.27 |
|
Sulfide |
0.149 |
0.068 |
|
Total chromium |
0.345 |
0.2 |
|
Hexavalent chromium |
0.028 |
0.012 |
|
pH |
(2) |
(2) |
|
English units (pounds per 1,000 bbl of feedstock) |
||
|
BOD5 |
8.0 |
4.25 |
|
TSS |
5.6 |
3.6 |
|
COD1 |
41.2 |
21.3 |
|
Oil and grease |
2.5 |
1.3 |
|
Phenolic compounds |
0.06 |
0.027 |
|
Ammonia as N |
0.99 |
0.45 |
|
Sulfide |
0.053 |
0.024 |
|
Total chromium |
0.122 |
0.071 |
|
Hexavalent chromium |
0.01 |
0.0044 |
|
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 one day and maximum average of daily values for 30 consecutive days.
|
1000 bbl. of feedstock per stream day |
Size factor |
|
Less than 24.9 |
1.02 |
|
25.0 to 49.9 |
1.06 |
|
50.0 to 74.9 |
1.16 |
|
75.0 to 99.9 |
1.26 |
|
100 to 124.9 |
1.38 |
|
125.0 to 149.9 |
1.5 |
|
150.0 or greater |
1.57 |
|
Process configuration |
Process factor |
|
Less than 2.49 |
0.62 |
|
2.5 to 3.49 |
0.67 |
|
3.5 to 4.49 |
0.8 |
|
4.5 to 5.49 |
0.95 |
|
5.5 to 5.99 |
1.07 |
|
6.0 to 6.49 |
1.17 |
|
6.5 to 6.99 |
1.27 |
|
7.0 to 7.49 |
1.39 |
|
7.5 to 7.99 |
1.51 |
|
8.0 to 8.49 |
1.64 |
|
8.5 to 8.99 |
1.79 |
|
9.0 to 9.49 |
1.95 |
|
9.5 to 9.99 |
2.12 |
|
10.0 to 10.49 |
2.31 |
|
10.5 to 10.99 |
2.51 |
|
11.0 to 11.49 |
2.73 |
|
11.5 to 11.99 |
2.98 |
|
12.0 to 12.49 |
3.24 |
|
12.5 to 12.99 |
3.53 |
|
13.0 to 13.49 |
3.84 |
|
13.5 to 13.99 |
4.18 |
|
14.0 or greater |
4.36 |
Note: See the comprehensive example in s. NR 279.42(2) (c).
(3) The following allocations constitute the quantity and quality of pollutants or pollutant properties controlled by this subsection and attributable to ballast, which may be discharged after the application of best practicable control technology currently available, by a point source subject to this subcategory, in addition to the discharge allowed by sub. (2). The allocation allowed for ballast water flow, as kg/cu m (lb/M gal), shall be based on those ballast waters treated at the refinery.
BPT Effluent Limitations for Ballast Water
|
Pollutant or pollutant property |
Maximum for any 1 day |
Average of daily values for 30 consecutive days |
|
Metric units (kilograms per cubic meter of flow) |
||
|
BOD5 |
0.048 |
0.026 |
|
TSS |
0.033 |
0.021 |
|
COD1 |
0.47 |
0.24 |
|
Oil and grease |
0.015 |
0.008 |
|
pH |
(2) |
(2) |
|
English units (pounds per 1,000 gal of flow) |
||
|
BOD5 |
0.4 |
0.21 |
|
TSS |
0.26 |
0.17 |
|
COD1 |
3.9 |
2.0 |
|
Oil and grease |
0.126 |
0.067 |
|
pH |
(2) |
(2) |
1 See footnote following table in s. NR 279.13(4).
2 Within the range of 6.0 to 9.0.
(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.
(5) Effluent limitations for contaminated runoff. The following effluent limitations constitute the quantity and quality of pollutants or pollutant properties controlled by this subsection and attributable to contaminated runoff, which may be discharged after the application of the best practicable control technology currently available by a point source subject to this subcategory.
|
BPT 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 cubic meters of flow) |
||
|
BOD5 |
48.0 |
26.0 |
|
TSS |
33.0 |
21.0 |
|
COD1 |
360.0 |
180.0 |
|
Oil and grease |
15.0 |
8.0 |
|
Phenolic compounds (4AAP) |
0.35 |
0.17 |
|
Total chromium |
0.73 |
0.43 |
|
Hexavalent chromium |
0.062 |
0.028 |
|
pH |
(2) |
(2) |
|
English units (pounds per 1,000 gal of flow) |
||
|
BOD5 |
0.4 |
0.22 |
|
TSS |
0.28 |
0.18 |
|
COD1 |
3.0 |
1.5 |
|
Oil and grease |
0.13 |
0.067 |
|
Phenolic compounds (4AAP) |
0.0029 |
0.0014 |
|
Total chromium |
0.006 |
0.0035 |
|
Hexavalent chromium |
0.00052 |
0.00023 |
|
pH |
(2) |
(2) |
1 In any case in which the applicant can demonstrate that the chloride ion concentration in the effluent exceeds 1,000 mg/l (1,000 ppm), the department may substitute TOC as a parameter in lieu of COD. A TOC effluent limitation shall be based on effluent data from the particular refinery which correlates TOC to BOD. If in the judgment of the department, adequate correlation data are not available, the effluent limitations for TOC shall be established at a ratio of 2.2 to 1 to the applicable effluent limitations for BOD.2
2 Within the range 6.0 to 9.0.
