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Electronic Code of Federal Regulations

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

Title 40Chapter ISubchapter NPart 415Subpart F → §415.64


Title 40: Protection of Environment
PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY
Subpart F—Chlor-alkali Subcategory (Chlorine and Sodium or Potassium Hydroxide Production)


§415.64   Pretreatment standards for existing sources (PSES).

(a) [Reserved]

(b) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and using the diaphragm cell process, 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 F—Chlor-Alkali-Diaphragm Cells

Pollutant or pollutant propertyPSES effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Milligrams per liter (mq/1)
Copper (T)2.10.80
Lead (T)2.91.1
Nickel (T)1.60.64

In cases when POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Copper (T), Lead(T) and Nickel (T) are the same as specified in §415.62(b).

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