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k`a <br /> Page'L <br /> his. Mary Meat's <br /> Cctoher 9, 1991 <br /> ted at the site were transfered to Sequoia Analytical, <br /> Water samplesAt the laboratory, the samples <br /> Concord, California under chain of custody. procedures: <br /> were analyzed according to the following test P A Method 8015- f; <br /> Total Petroleum Hydrocarbons as Gasoline -- EP <br /> Benzene,Toluene, Ethyibenzenes and Xylenes (BTE&X) -- EPA Method <br /> • 8020; <br /> Organic Lead--DHS Specified Method; and <br /> • EDB --DHS Specified Method. <br /> testing are sumrnari.zed in Table 2. <br /> The findings from the laboratory A/ C procedures <br /> Laboratory reports and chain of custody 1 labeledcMW-00 from well 11�W-3, <br /> consisted of collecting a duplicate sanap al res of the <br /> collecting a field blank, and including a travel blank. An Yanalyzed for were <br /> duplicate and sample blanks indicated all con standard interna QA/QC <br /> below detection limits. At the laboratory, <br /> procedures were followed. <br /> r e 1)indicate a <br /> Plotting and contouring ground water level contours(Figure(dirge ions were <br /> flow direction toward the southeast. Previously, be due to the <br /> toward the southWe t,the chane in flc <br /> watgr level hangerQn he maadjacent Stockton <br /> influence of tidally <br /> deep Ovate: channel. <br /> ratior,Of <br /> The laboratory findings generally indicates decfre presencecoftorgan. lead <br /> petroleum and petroleum related or was it detected previously. EDB was <br /> was not detected m this quarter <br /> analyzed for in the third quarter,but was not detected. / <br />