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Electronic Code of Federal Regulations

e-CFR data is current as of December 4, 2019

Title 40Chapter ISubchapter NPart 415Subpart L → §415.124


Title 40: Protection of Environment
PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY
Subpart L—Potassium Dichromate Production Subcategory


§415.124   Pretreatment standards for existing sources (PSES).

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 (PSES):

Subpart L—Potassium Dichromate

Pollutant or pollutant propertyPSES limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Milligrams per liter (mg/l)
Hexavalent chromium0.250.090
Total chromium3.01.0

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