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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 Received 10/30/90 <br /> Attention Noel Lerner Reported 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 907507 <br />' Sample I D 004 <br /> Matrix Soil <br /> Depth 12 ft <br />' Date Collected 10/29/90 <br /> Time Collected 1119 <br /> Collected by Helmick and Lerner, Inc <br /> t 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 /> 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 8015"),quantitated using diesel response factor Commercial diesel was <br /> used as comparison standard Results reported in milligrams per kilogram, wet (as r elved) basis <br /> Analyst Polly Cheung Manager &, & ill <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 paid for the report by the issuee The issuse 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 />