Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 421  /  Sec. 421.52 Effluent limitations guidelines representing the degreepracticable control

technology currently available.

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):

Effluent Limitations------------------------------------------------------------------------

Average of

Daily values

Maximum for for 30

Effluent characteristic any 1 day consecutive

days shall

not exceed------------------------------------------------------------------------

(Metric units, kg/kkg of

product; English units,

pounds per 1,000 lb of

product)

---------------Total suspended solids...................... 0.100 0.050Copper...................................... 0.0017 0.0008Cadmium..................................... 0.00006 0.00003Lead........................................ 0.0006 0.0026Zinc........................................ 0.0012 0.0003pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 6.0 to 9.0.