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LABORATORY REPORT Kennedy/Jenks/Chilton, Laboratory Division <br /> 303 Second Street, Tenth Floor North <br /> San Francisco, CA 94107 <br /> 415-362-6065 <br /> For Helmick and Lerner, Inc [Reported <br /> eived 11/01/90 <br /> Attention Noel Lerner 11/12/90 <br /> Address 3750 Auburn Boulevard, Suite A <br /> Sacramento, CA 95821 (1-11-1 0089002) <br /> Source Franklin High School (Stockton, CA) <br /> Lab No 907592 <br /> Sample I D 010 <br /> Matrix Soil <br /> Depth 261n <br /> Date Collected 10/31/90 <br /> Time Collected 0953 <br /> Collected by Helmick and Lerner, Inc <br /> Date Extracted 11/05/90 <br /> Date Analyzed 1116-7190 <br /> Analytical Method Calif DHS LUFT Manual <br /> Analysis Units Analytical Results Det Lim <br /> Semivolatile Petroleum <br /> Hydrocarbons (TEPH) mg/Kg c2 2 <br /> I <br /> I Comments Samples were prepared by EPA Method 3540 (Soxhlett extraction), followed by concentration, per <br /> DHS/Tri-Regional Board guidelines Gas chromatographic analysis using flame ionization detection (LOFT <br /> Manual procedure, "Modified 8015"), quantitated using diesel response factor Commercial diesel was <br /> used as comparison standard Results reported in milligrams per kilogram, wet(as received) basis <br /> Analyst Polly Cheung Manager <br /> This report applies only to the sample investigated and is not necessarily Indicative of the quality of apparently identical or similar samples The liability <br /> of the laboratory Is limited to the amount pard for the report by the issues The issues assumes all liability for the further distribution of this report or its <br /> contents and by making such distribution agrees to hold the laboratory harmless against all claims of persons so informed of the contents hereof <br />