Wis. Admin. Code Department of Natural Resources § NR 257.64 - New source performance standards

Current through March 28, 2022

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

Table 174

Core operation NSPS

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

mg/off-kg (lb/million off-lbs) of aluminum drawn with emulsions or soaps

Chromium

0.173

0.070

Cyanide

0.094

0.038

Zinc

0.476

0.196

Aluminum

2.85

1.27

Oil and grease

4.67

4.67

Suspended solids

7.00

5.60

pH

(1)

(1)

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

Table 175

Continuous rod 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 rod cast

Chromium

0.0008

0.0003

Cyanide

0.0004

0.0002

Zinc

0.0020

0.0008

Aluminum

0.012

0.0053

Oil and grease

0.020

0.020

Suspended solids

0.030

0.024

pH

(1)

(1)

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

Table 176

Continuous rod casting 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 rod cast

Chromium

0.072

0.029

Cyanide

0.039

0.016

Zinc

0.198

0.081

Aluminum

1.184

0.526

Oil and grease

1.940

1.940

Suspended solids

2.91

2.33

pH

(1)

(1)

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

Table 177

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

0.754

0.31

Cyanide

0.408

0.16

Zinc

2.08

0.86

Aluminum

12.450

5.52

Oil and grease

20.00

20.37

Suspended solids

20.56

24.45

pH

(1)

(1)

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

Table 178

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

0.49

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 179

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

0.515

0.21

Cyanide

0.278

0.11

Zinc

1.42

0.59

Aluminum

8.50

3.77

Oil and grease

13.911

13.91

Suspended solids

20.87

16.70

pH

(1)

(1)

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

Table 180

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

0.72

0.290

Cyanide

0.387

0.155

Zinc

1.97

0.812

Aluminum

1.18

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 257.64
Cr. Register, November, 1989, No. 407, eff. 12-1-89.

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