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f; LABORATORY REPORT PACIFIC MIRONMBNTAL LABORATORY <br /> 674 Harrison Street <br /> San Francisco, CA 94107 <br /> 415-243-2580 <br /> For Helmick & Lerner, Inc. <br /> Attention John Russell Received 08/20/91 <br /> Address 3750 Auburn Blvd. , Suite A Reported 08/28/91 <br /> Sacramento, CA 95821 <br /> Source: Stocktcn Unified School District, Proj. No. 0089003 <br /> Lab. No. : 917650 <br /> Sample I.D.: 150 <br /> Matrix: Soil <br /> Depth: -- <br /> Date Collected: 08/19/91 <br /> Time Collected: 1301 <br /> Collected by: HLI <br /> Date Extracted: -- <br /> Date Analyzed: 08/22-23/91 <br /> Analytical Method: Calif. DHS LUFT Manual <br /> Anal sit Units Analytical Results Det. Lim. <br /> y <br /> ` Volatile Petroleum <br /> _ Hydrocarbons (1) mg/Kg <0.05 0.05 <br /> t <br /> Comments: Gas chromatographic analysis using flame ionization detection <br /> (LUFT Manual procedure, "Modified 801511) . Results reported in milligrams per <br /> - - -.kilogram:.: . (l) By-Pur purge-and-trap, quantitated using gasoline. response factor. <br /> ... . ...... . ... ..... .... <br /> Analyst errine B. Johnston Manager 6 Yv <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 /> -j similar samples. The liability of the laboratory is limited to the amount paid for the report by the issuee. The issuee assumes <br /> ail liability for the further distribution of this report or its contents <br /> and by making such distribution agrees to hold the <br /> Laboratory harmless against ail claims of persons so informed of the contents hereof. <br />