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y3 <br /> SRO <br /> S•mrd QueMr 1994 Gmurdwrr YordWkV R•pon II Tl� <br /> 900 SaAh Cherokee Larne L0114 Caldornia `—• <br /> GROUNDWATER SAMPLING AND ANALYSES <br /> Groundwater samples were collected from fourteen wells All samples were analyzed for <br /> concentrations of <br /> • TPH, as gasoline, by modified EPA Method 8015 <br /> • BTEX by EPA Method 602 <br /> Analytical results from February 1992 to date are summarized in Table 2 Historic analytical <br /> data are presented as an Attachment Figure 3 is a distribution map of benzene in groundwater <br /> based on the current data The laboratory report and chain-of-custody form for the current <br /> sampling event are attached Benzene concentrations remain nondetectable in wells MW-16, <br /> MW-18, MW-20, MW-21, MW-22, MW-24, MW-25, MW-27, MW-28 and RW-1 <br /> Concentrations decreased in wells MW-17, MW-29 and RW-2 <br /> A copy of this quarterly monitoring report should be forwarded to the following parties <br /> Ms Linda Turkette <br /> Environmental Health Division <br /> San Joaquin County Public Health Services <br /> Post Office Box 2009 <br /> Stockton, California 95201 <br /> Mr Gordon Boggs <br /> Central Valley Regional Water Quality Control Board <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> 94-89S2QMR 2 <br />