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PACIFIC ENVIRONMENTAL LABORATORY <br /> I LABORATORY REPORT 674 Harrison Street <br /> San Francisco, CA 94107 <br /> 415-243-2580 <br /> For Helmick & Lernei, Ir_:.. Received 08/20j91 <br /> Attention John Russell Reported 08/28/91 <br /> Address 3750 Auburn Blvd. , Suite A <br /> Sacramento, CA 95821 Quality Control Page <br /> Source: Stockton Unified School District, Prof. No. 0089003 <br /> Lab. No. : 917642 <br /> Sample I.D. : 132 <br /> Matrix: Soil <br /> Depth: <br /> Date Collected: 08/19/91 \ <br /> Time Collected: 1048 <br /> collected by: HLI <br /> 3 Date Extracted: -- <br /> Date Analyzed: 08/22-23/91 <br /> Analytical Method: Calif. DHS LUFT Manual <br /> Analysis Units Replicate Analytical Results Det. Lim. <br /> Volatile Petroleum <br /> Hydrocarbons (1) Mg/Kg1920* 1620* Spk. Rec. 121% 0.05 <br /> III_ <br /> 47. <br /> y <br /> *Sample shows the less volatile portion of gasoline. <br /> Comments: Gas chromatographic analysis using flame ionization detection <br /> (LUFT Manual procedure, "Modified 801511) . Results reported in milligrams per <br /> kilogram. (1) By purge-and-trap, quantitated using gasoline response factor. <br /> Analyst: L. Perrins B. Johnston Manager <br /> L. Kennedy <br /> This report applies only to the sample investigated and is not necessarily indicative of the quality of apparently identical or <br /> _? similar sanplas. The Liability of the laboratory is limited to the amount paid for the report by the issues. The issues assumes <br /> all liebii''ty for the further distribution of this report or its contents and by making such distribution agrees to hold the <br /> laboratory harmless against all claims of persons so informed of the contents hereof. <br />