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ORD <br /> Rd cf.nw Ian Gomm W <br /> OW SMO Chwdm Lww La k CaN wrAN 1 <br /> 9.R—A—I—= SAW--IAG AND AN LY <br /> Groundwater samples were collected from fifteen wells All samples were analyzed for <br /> concentrations of <br /> G TPH, as gasoline, by modified EPA Method 8015, <br /> G BTEX by LPA Method 602 <br /> Analytical results from February 1992 to date are summarized in Table 2 Ihstonc analytical <br /> data is 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, and RW-1 Concentrations decreased in <br /> wells MW-17 and MW-27 compared to prior sampling <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 Joaqum County Public health Services <br /> Post Office Box 2009 <br /> Stockton, California 95201 <br /> Mr Gordon Boggs <br /> Central Malley Regional Water Quality Control Board <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> • <br /> e4425-1 QMR -s- <br />