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HYDROCARBON RECOVERY -SYSTEM <br /> PRINCIPAL OF OPERATION <br /> Page Two <br /> When a groundwater depression pump is employed in the system, the discharge <br /> from the pump is passed through the water feed tank and then on through the <br /> balance of the water treatment system. ' <br /> An optional solar volatilization bed can be added to the air stripping tower <br /> discharge if additional polishing or retention time is necessary. <br /> This sytem is so designed that it can be ad pted to a bioreclamation or <br /> biostimulation procedure, if desired. <br /> All electrical devices connected to this system are explosion proof and will . <br /> be installed in accordance with local fire and electrical codes. <br /> Qa�FESSIp�, <br /> No. 146004 ' <br /> l <br /> r <br /> - i <br /> 1 <br /> F <br /> i <br />