The treatment chamber includes {HEAD ~ an overflow/bypass system}, including a flow distribution tray or flume that includes a distribution compartment or channel, {TAIL ~ an overflow dam} or weir, and an overflow/bypass compartment 
The treatment chamber includes { HEAD ~ an overflow / bypass system } , including a flow distribution tray or flume that includes a distribution compartment or channel , { TAIL ~ an overflow dam } or weir , and an overflow / bypass compartment
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH