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e-CFR data is current as of September 28, 2020

Title 40Chapter ISubchapter NPart 466Subpart C → §466.34


Title 40: Protection of Environment
PART 466—PORCELAIN ENAMELING POINT SOURCE CATEGORY
Subpart C—Aluminum Basis Material Subcategory


§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 propertyMaximum for any 1 dayMaximum 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 propertyMaximum for any 1 dayMaximum for monthly average
Metal preparationCoating operationMetal preparationCoating operation
   Metric units—mg/m2 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 ft2 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]

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