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ILABORATORY 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 /> eceived 11/01/90 <br /> Attention Noel Lerner 11/12/90 <br /> Address 3750 Auburn Boulevard, Suite A <br /> Sacramento, CA 95821 (HLI 0089002) <br /> Source Franklin High School (Stockton, CA) <br /> Lab No 907594 <br /> Sample I D 012 <br /> Matrix Soil <br /> Depth 13 ft <br /> Date Collected 10/31/90 <br /> Time Collected 1020 <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 /> Semivolatlle Petroleum <br /> Hydrocarbons(TEPH)(1) mg/Kg 52 2 <br />' (1) identified as diesel <br /> 1 <br /> 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 (LUFT <br /> Manual procedure, "Modified 801511), 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 i I- <br /> This <br /> 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 paid for the report by the issuee 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 />