Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection - Wisconsin Pollutant Discharge Elimination System
Chapter NR 279 - Petroleum refining
Section NR 279.36 - Standards of performance for new sources (NSPS)

Universal Citation: WI Admin Code ยง NR 279.36

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

NSPS effluent limitations

Pollutant or pollutant property

Maximum for 1 day

any Average of daily values for 30 consecutive days

Metric units (kilograms per 1,000 m3 of feedstock)

BOD5

21.8

11.6

TSS

14.9

9.5

COD1

133.0

69.0

Oil and grease

6.6

3.5

Phenolic compounds

0.158

0.077

Ammonia as N

23.4

10.7

Sulfide

0.14

0.063

Total chromium

0.32

0.19

Hexavalent chromium

0.025

0.012

pH

(2)

(2)

English units (pounds per 1,000 bbl of feedstock)

BOD5

7.7

4.1

TSS

5.2

3.3

COD1

47.0

24.0

Oil and grease

2.4

1.3

Phenolic compounds

0.056

0.027

Ammonia as N

8.3

3.8

Sulfide

0.05

0.022

Total chromium

0.116

0.068

Hexavalent chromium

0.0096

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.

(a) Size factor.

1000 bbl. of feedstock per stream day

Size factor

Less than 24.9

0.73

25.0 to 49.9

0.76

50.0 to 74.9

0.83

75.0 to 99.9

0.91

100.0 to 124.9

0.99

125.0 to 149.9

1.08

150.0 or greater

1.13

(b) Process factor.

Process configuration

Process factor

Less than 4.49

0.73

4.5 to 5.49

0.8

5.5 to 5.99

0.91

6.0 to 6.49

0.99

6.5 to 6.99

1.08

7.0 to 7.49

1.17

7.5 to 7.99

1.28

8.0 to 8.49

1.39

8.5 to 8.99

1.51

9.0 to 9.49

1.65

9.5 or greater

1.72

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.

Disclaimer: These regulations may not be the most recent version. Wisconsin may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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