Wis. Admin. Code Department of Natural Resources § NR 257.14 - New source performance standards

Current through March 28, 2022

Any new source subject to this subchapter shall achieve the following performance standards:

Table 15

Core with an annealing furnace scrubber NSPS

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils

Chromium

0.030

0.0123

Cyanide

0.016

0.0065

Zinc

0.084

0.0343

Aluminum

0.499

0.221

Oil and grease

0.817

0.817

Suspended solids

1.225

0.980

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

Table 16

Core without an annealing furnace scrubber NSPS

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils

Chromium

0.021

0.0083

Cyanide

0.011

0.0044

Zinc

0.057

0.023

Aluminum

0.338

0.150

Oil and grease

0.553

0.553

Suspended solids

0.830

0.664

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

Table 17

Continuous sheet casting spent lubricant NSPS

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum cast

Chromium

0.00073

0.00029

Cyanide

0.00039

0.00016

Zinc

0.0020

0.00082

Aluminum

0.012

0.0053

Oil and grease

0.0197

0.019

Suspended solids

0.0295

0.022

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

Table 18

Solution heat treatment contact cooling water NSPS

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum quenched

Chromium

0.76

0.31

Cyanide

0.41

0.17

Zinc

2.08

0.86

Aluminum

12.45

5.52

Oil and grease

20.37

20.37

Suspended solids

30.56

24.45

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

Table 19

Cleaning or etching bath NSPS

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched

Chromium

0.066

0.027

Cyanide

0.036

0.015

Zinc

0.183

0.075

Aluminum

1.094

0.485

Oil and grease

1.79

1.79

Suspended solids

2.69

2.15

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

Table 20

Cleaning or etching rinse and hot water seal NSPS

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched

Chromium

0.52

0.21

Cyanide

0.28

0.11

Zinc

1.42

0.59

Aluminum

8.50

3.70

Oil and grease

13.91

13.91

Suspended solids

20.87

16.69

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

Table 21

Cleaning or etching scrubber liquor NSPS

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched

Chromium

0.715

0.29

Cyanide

0.387

0.16

Zinc

1.97

0.81

Aluminum

11.81

5.24

Oil and grease

19.33

19.33

Suspended solids

29.00

23.20

pH

(1)

(1)

1 Within the range of 7.0 to 10 at all times.

Notes

Wis. Admin. Code Department of Natural Resources § NR 257.14
Cr. Register, November, 1989, No. 407, eff. 12-1-89.

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