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Electronic Code of Federal Regulations

e-CFR data is current as of December 5, 2019

Title 40Chapter ISubchapter NPart 415Subpart Q → §415.176


Title 40: Protection of Environment
PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY
Subpart Q—Sodium Dichromate and Sodium Sulfate Production Subcategory


§415.176   Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new 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 New Sources (PSNS):

Subpart Q—Sodium Dichromate

Pollutant or pollutant propertyPSNS effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Milligrams per liter
Chromium (T)1.00.50
Hexavalent Chromium0.110.060
Nickel (T)0.800.40

In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Chromium (T), Hexavalent Chromium, and Nickel (T) are the same as specified in §415.175.

[47 FR 55226, Dec. 8, 1982]

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