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LABORATORY REPORT Ken nedy/JenkstCh ilton, 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 10/30/90 <br />' Attention Noel Lerner 11/12/90 <br /> Address 3750 Auburn Boulevard, Suite A <br /> Sacramento, CA 95821 (H LI 0089002) <br /> Source Franklin High School (Stockton, CA) <br /> Lab No 907504 <br /> I Sample I D 001 <br /> Matrix Soil <br /> Depth 12 6 ft <br /> I Date Collected 10/29/90 <br /> Time Collected 1042 <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 <br /> I <br /> i <br /> I <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(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 (Z714, <br /> Analyst Polly Cheung Manager <br /> IThis 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 lability for the further distribution of this report or its <br /> Icontents and by making such distribution agrees to hold the laboratory harmless against all claims of persons so informed of the contents hereof <br />