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:�.. <br /> i <br /> LABORATORY REPORT pACIFIC ENVIRONMENTAL 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 09/06/91 <br /> Sacramento, CA 95821 <br /> Source: Stockton Unified School District, Proj. No. 0089003 <br /> Lab. No. : 917644 <br /> Sample I.D. : 134 <br /> Matrix: Soil <br /> - Depth: _r <br /> Date Collected: 08/19/91 <br /> Time Collected: 1103 <br /> Collected by: HLI <br /> Date Extracted: -- <br /> Date Analyzed: 09/05/91 <br /> i Analytical Method: Calif. DHS LUFT Manual <br /> Analysis units Analytical Results Det. Lim. <br /> - Volatile Petroleum <br /> Hydrocarbons (1) mg/Kg <0.05 0.05 <br /> 4 <br /> i � <br /> i <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 /> I <br /> 1 <br /> Analyst L. Perri a B. Ye ane i for Manager by <br /> n� <br /> � J <br /> This report applies only to the sample investigated and is not necessmrily indicative of the quality of apparently identical or <br /> similar samples. The liability of the laboratory is limited to the amount paid for the report by the issuee. The issuee assumes <br /> —' <br /> all liability 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 />