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KLEiNFELDER <br /> were analyzed for ethylene dibromide EDB b EPA Method 504. Appendix D contains a _ <br /> Yz Y (EDB) Y P <br /> discussion of well sampling procedures. <br /> Table 1 contains a list of the depths to water and associated mean sea level elevation for <br /> ' each monitoring well. Table 2 lists the field purge parameters recorded prior to sampling <br /> for each monitoring well. Purged water was stored onsite in a manner similar to <br /> ' development water Samples were then collected using a Teflon bailer <br /> ' 4.4 MONITORING WELL ELEVATION AND LOCATION SURVEY <br /> ' The monitoring well locations and elevations were surveyed by a licensed surveyor on <br /> September 21, 1988 The survey elevations were referenced to a City of Tracy bench mark, <br /> approximately 900 feet west of the site Monitoring well survey information was used to <br /> ' estimate a site specific ground water gradient and flow direction, which is shown on Plate 8, <br /> Potentiometnc Surface Map <br /> 1 <br /> 1 <br /> 1 <br /> ' 145-88-2013 6 <br />