Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart 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 AY—Potassium Iodide

Pollutant or pollutant propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per 1,000 lb) of product
TSS0.0900.030
Sulfide0.0150.0050
Iron0.0150.0050
Barium0.00900.0030
pH(1)(1)

1 Within the range 6.0 to 9.0.