Statutes, codes, and regulations
Wisconsin Administrative Code
Agency - Department of Natural ResourcesEnvironmental Protection - Wisconsin Pollutant Discharge Elimination System
Chapter NR 279 - Petroleum refining
Section NR 279.16 - Standards of performance for new sources (NSPS)

Wis. Admin. Code Department of Natural Resources NR 279.16

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Current through November 25, 2024
Section NR 279.16 - Standards of performance for new sources (NSPS)
(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 cubic meter of flow)

BOD5

11.8

6.3

TSS

8.3

4.9

COD1

61.0

32.0

Oil and grease

3.6

1.9

Phenolic compounds

0.088

0.043

Ammonia as N

2.8

1.3

Sulfide

0.078

0.035

Total chromium

0.18

0.105

Hexavalent chromium

0.015

0.0068

pH

(2)

(2)

English units (pounds per 1,000 gallons of flow)

BOD5

4.2

2.2

TSS

3.0

1.9

COD1

21.7

11.2

Oil and grease

1.3

0.7

Phenolic compounds

0.031

0.016

Ammonia as N

1.0

0.45

Sulfide

0.027

0.012

Total chromium

0.064

0.037

Hexavalent chromium

0.0052

0.0025

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

1.02

25.0 to 49.9

1.06

50.0 to 74.9

1.16

75.0 to 99.9

1.26

100.0 to 124.9

1.38

125.0 to 149.9

1.5

150.0 or greater

1.57

(b) Process factor.

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 4.49

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.

NSPS 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

0.08

pH

(2)

(2)

English units (pounds per 1,000 gal of flow)

BOD5

0.40

0.21

TSS

0.27

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.

Wis. Admin. Code Department of Natural Resources NR 279.16

Cr. Register, October, 1986, No. 370, eff. 11-1-86.