40 C.F.R. § 466.14

Current through September 30, 2024
Section 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)
Chromium0.420.17
Lead0.150.13
Nickel1.411.00
Zinc1.330.56

(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 propertyMaximum for any 1 dayMaximum for monthly average
Metal preparation Coating operation Metal preparation Coating operation
Metric units-mg/m2 of area processed or coated
Chromium16.820.536.810.22
Lead6.010.195.210.16
Nickel56.51.7840.11.26
Zinc53.31.6822.50.71
English units-lbs/1 million ft2 of area processed or coated
Chromium3.450.111.40.05
Lead1.230.041.070.03
Nickel11.60.378.200.26
Zinc10.90.354.60.15

40 C.F.R. §466.14

47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36543, Sept. 6, 1985