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): ------------------------------------------------------------------------
BPT limitations
---------------------------
Pollutant or pollutant property Maximum for
Maximum for monthly
any 1 day average------------------------------------------------------------------------
Kg/kkg (or pound per 1,000
lb) of raw material
---------------------------BOD5........................................ 8.2 3.7TSS......................................... 11.8 5.4Oil and grease.............................. 3.4 1.5Total chromium.............................. 0.21 0.08pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range 6.0 to 9.0.