View all text of Subpart C [§ 466.30 - § 466.35]

§ 466.34 - 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 C—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 pretreatment standards the following equivalent mass standards are provided:

Subpart C—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 Chromium16.340.536.620.22 Lead5.840.195.060.16 Nickel54.851.7838.91.26 Zinc51.741.6821.791.71 English units—pounds per 1 million ft 2 of area processed or coated Chromium3.350.111.360.05 Lead1.200.041.040.03 Nickel11.240.377.970.25 Zinc10.60.354.460.35
[47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36544, Sept. 6, 1985]