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i <br /> i 07/20/92 <br /> Confirmation soil borings : drill and sample SB3 , SB4 and MW- <br /> 7 . Complete SB3 as a 2" vapor extraction well (VSB3) and MW-7 <br /> as a 4" Ground Water Monitor well . <br /> 07/21/92 <br /> Destroy vapor well Pl . Drill and sample SB5 , SB6, SB7 and <br /> SBS . Complete SB5 as a 2" vapor extraction well (VSB5 ) . <br /> Hook up new vapor well VSB3 to vapor extraction, total flow <br /> 66 . 8 cfm (VSB3 , EX, P3-Swarm, and MW5 ) . Sample VSB3 for WEGE <br /> laboratory. <br /> 07/22/92 <br /> Collect influent and effluent samples of the system and vapor <br /> samples from P3 , EX, MW1 and MW5 for analysis at WEGE <br /> laboratory . Flow rate 61 .5cfm. <br /> Drill and sample SB9 , SB10 , SB11 and SB12 . Complete SB9 <br /> (VSB9 ) and SB11 (VSB11 ) as vapor extraction wells . <br /> Shutdown system because of noticeable odor. <br /> 07/24/92 <br /> Exchange carbon. Stop vapor extraction from MWI , MW5, P3- <br /> Swarm and EX. Hook up vapor extraction wells , VSB5 , VSB9, and <br /> VSB11 . Try clean air injection into MW5 , EX and P3-Swarm. <br /> Pumping from wells with one pump and i.n]ecting with one pump. <br /> ' Collect influent sample for WEGE laboratory. Sample <br /> effluent, VSB3 and VSB11 using lOS50 PID chromatograph. <br /> 07/27/92 <br /> f Sample influent canisters for WEGE laboratory. Sample VSB3, <br /> VSB5 , VSB9 , and VSB11 using 1OS50 . Injecting with one pump <br /> and extraction with one pump. Flow Rate 18 cfm. <br /> i Hook up P3 , P3A and P3D to VSB5 for vapor extraction. Start <br /> vapor extraction both pumps . Sample influent canisters for <br /> WEGE laboratory. Sample effluent VSB5, VSB9 , and VSB11 using <br /> 10550. Flow rate 20cfm. <br /> 07/29/92 <br /> Collect influent and effluent samples of the system for <br /> analysis at WEGE laboratory. Flow rate 52cfm. <br /> R604 vapor, 7,(31/92, p. 4 <br />