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Electronic Code of Federal Regulations

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

Title 40Chapter ISubchapter NPart 415Subpart F → §415.62


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)


§415.62   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the mercury cell process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart F—Chlor-Alkali Mercury Cells

Pollutant or pollutant propertyBPT limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per 1,000 lb) of product
TSS0.640.32
Mercury (T).00028.00014
pH(1)(1)

1Within the range of 6.0 to 9.0.

(b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the diaphragm cell process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart F—Chlor-Alkali Diaphragm Cells

Pollutant or pollutant propertyBPT limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per/1,000 lb) of product
TSS1.10.51
Copper (T)0.0180.0070
Lead (T)0.0260.010
Nickel (T)0.0140.0056
pH(1)(1)

1Within the range 6.0 to 9.0.

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