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

§ 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 property BPT limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (or pounds per 1,000 lb) of product
TSS 0.64 0.32
Mercury (T) .00028 .00014
pH ( 1) ( 1)

1 Within 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 property BPT limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (or pounds per/1,000 lb) of product
TSS 1.1 0.51
Copper (T) 0.018 0.0070
Lead (T) 0.026 0.010
Nickel (T) 0.014 0.0056
pH ( 1) ( 1)

1 Within the range 6.0 to 9.0.

The following state regulations pages link to this page.