Wis. Admin. Code NR § 262.34

Current through May 28, 2024
Section NR 262.34 - Pretreatment standards for existing sources
(1) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subcategory which introduces pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403 and achieve the following pretreatment standards for existing sources:

PSES

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

Milligrams per liter (mg/1)

Chromium .........

0.42

0.17

Lead ..............

0.15

0.13

Nickel .............

1.41

1.0

Zinc ..............

1.33

0.56

(2) In cases where POTWs find it necessary to impose mass pretreatment standards the following equivalent mass standards are provided:

PSES

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

Metal preparation

Coating operation

Metal preparation

Coating operation

Metric units-mg/m2 of area processed or coated

Chromium . .

16.34

0.53

6.62

0.22

Lead .......

5.84

0.19

5.06

0.16

Nickel ......

54.85

1.78

38.9

1.26

Zinc .......

51.74

1.68

21.79

1.71

English units-pounds per 1 million ft2 of area processed or coated

Chromium . .

3.35

0.11

1.36

0.05

Lead .......

1.2

0.04

1.04

0.03

Nickel ......

11.24

0.37

7.97

0.25

Zinc .......

10.6

0.35

4.46

0.35

Wis. Admin. Code Department of Natural Resources § NR 262.34

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