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