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Code of Federal Regulations Title 40. Protection of Environment § 40.466.14 Pretreatment standards for existing sources

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

SUBPART A—PSES

Pollutant or pollutant property

Maximum for any 1 day

Maximum for monthly average

Milligrams per liter (mg/l)

Chromium

0.42

0.17

Lead

0.15

0.13

Nickel

1.41

1.00

Zinc

1.33

0.56

(b) In cases where POTW find it necessary to impose mass effluent pretreatment standards the following equivalent mass standards are provided:

SUBPART A—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

16.82

0.53

6.81

0.22

Lead

6.01

0.19

5.21

0.16

Nickel

56.5

1.78

40.1

1.26

Zinc

53.3

1.68

22.5

0.71

English units—lbs/1 million ft2 of area processed or coated

Chromium

3.45

0.11

1.4

0.05

Lead

1.23

0.04

1.07

0.03

Nickel

11.6

0.37

8.20

0.26

Zinc

10.9

0.35

4.6

0.15
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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.466.14 Pretreatment standards for existing sources - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-466-14/

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