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):
(a) The following limitations apply to all mechanical barking installations: There shall be no discharge of process wastewater pollutants into navigable waters.
(b) The following limitations constitute the maximum permissible discharge for hydraulic barking installations:
Subpart A------------------------------------------------------------------------
BPT effluent limitations
-------------------------
Average of
daily
Pollutant or pollutant property Maximum for values for
any 1 day 30
consecutive
days------------------------------------------------------------------------
Metric units (kilograms
per cubic meter of
production)
-------------------------BOD5.......................................... 1.5 0.5TSS........................................... 6.9 2.3pH............................................ (\1\) (\1\)
-------------------------
English units (pounds
per cubic foot of
production)
-------------------------BOD5.......................................... 0.09 0.03TSS........................................... 0.431 0.144pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range 6.0 to 9.0 at all times.