Wis. Admin. Code Department of Natural Resources § NR 257.16 - Pretreatment standards for new sources

Current through March 28, 2022

Except as provided in s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following pretreatment standards for new sources:

Table 29

Core with an annealing furnace scrubber PSNS

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

0.013

Cyanide

0.017

0.007

Zinc

0.084

0.035

TTO

0.057

Oil and grease (alternate monitoring parameter)

0.817

0.817

Table 30

Core without an annealing furnace scrubber PSNS

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

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

Chromium

0.021

0.009

Cyanide

0.011

0.005

Zinc

0.057

0.024

TTO

0.038

Oil and grease (alternate monitoring parameter)

0.54

0.54

Table 31

Continuous sheet casting lubricant PSNS

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

TTO

0.0014

Oil and grease (alternate monitoring parameter)

0.020

0.020

Table 32

Solution heat treatment contact cooling water PSNS

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

TTO

1.41

Oil and grease (alternate monitoring parameter)

20.37

20.37

Table 33

Cleaning or etching bath PSNS

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

0.067

0.027

Cyanide

0.036

0.015

Zinc

0.183

0.075

TTO

0.124

Oil and grease (alternate monitoring parameter)

1.79

1.79

Table 34

Cleaning or etching rinse and hot water seal PSNS

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

TTO

0.96

Oil and grease (alternate monitoring parameter)

13.91

13.91

Table 35

Cleaning or etching scrubber liquor PSNS

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

0.29

Cyanide

0.39

0.16

Zinc

1.97

0.81

TTO

1.34

Oil and grease (alternate monitoring parameter)

19.33

19.33

Notes

Wis. Admin. Code Department of Natural Resources § NR 257.16
Cr. Register, November, 1989, No. 407, eff. 12-1-89.

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