CFR / Title 40 / Part 415 / Sec. 415.472 Effluent limitations guidelines representing the degreepracticable 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 producing nickel sulfate, nickel chloride, nickel nitrate, or nickel fluoborate 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 AU--Nickel Sulfate, Nickel Chloride, Nickel Nitrate, Nickel

Fluoborate------------------------------------------------------------------------

BPT effluent limitations

---------------------------

Average of

Pollutant or pollutant property daily values

Maximum for for 30

any 1 day consecutive

days------------------------------------------------------------------------

Kg/kkg (or pounds per/

1,000 lb) of product

---------------TSS......................................... 0.096 0.032Nickel (T).................................. 0.0060 0.0020pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range 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 producing nickel carbonate 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 AU--Nickel Carbonate------------------------------------------------------------------------