40 CFR 466.14 - Pretreatment standards for existing sources.

§ 466.14 Pretreatment standards for existing sources.

(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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metal preparation Coating operation Metal preparation Coating operation
Metric units - mg/m 2 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 ft 2 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
[ 47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36543, Sept. 6, 1985]

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