(a) The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable: ------------------------------------------------------------------------
Effluent limitations
-----------------------------
Average of daily
Effluent characteristic Maximum values for 30
for any 1 consecutive days
day shall not
exceed--------------------------------------------------------------------------
Metric units (kg/kkg of raw
material)
-----------------------------Oil and grease............................ 2.0 0.73BOD5...................................... 3.72 2.20TSS....................................... 6.96 2.90pH........................................ (\1\) (\1\)
-----------------------------
English units (lb/1,000 lb
of raw material)
-----------------------------Oil and grease............................ 2.0 0.73BOD5...................................... 3.72 2.20TSS....................................... 6.96 2.90pH........................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range 6.0 to 9.0.
(b) The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section and attributable to plants employing the chromic acid form-cleaning operation, by a point source subject to the provisions of this subpart after application of the best available technology economically achievable, in addition to the limitations set forth by Sec. 428.103(a): ------------------------------------------------------------------------
Effluent limitations
-----------------------------
Average of daily
Effluent characteristic Maximum values for 30
for any 1 consecutive days
day shall not
exceed--------------------------------------------------------------------------
Metric units (kg/kkg of raw
material)
-----------------------------Chromium.................................. 0.0086 0.0036
-----------------------------
English units (lb/1,000 lb
of raw material)
-----------------------------Chromium.................................. 0.0086 0.0036------------------------------------------------------------------------ Sec. 428.104 [Reserved]