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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 /> rAttention Noel Lerner Reported 11/12/90 <br /> Address 3750 Auburn Boulevard, Suite A Quality Control Page <br /> Sacramento, CA 95821 (1-11-1 0089002) <br />' Source Franklin High School (Stockton, CA) <br /> Lab No 907510 <br /> Sample I D 007 <br /> Matrix Soil <br /> Depth 13 ft <br />' Date Collected 10/29/90 <br /> Time Collected 1209 <br /> Collected by Helmick and Lerner, Inc <br />' Date Extracted 11/05/90 <br /> Date Analyzed 11/6-7/90 <br /> Analytical Method Calif DHS LUFT Manual <br />' Analysis Units Replicate Analytical Results Det Lim <br /> Semivolatile Petroleum <br />' Hydrocarbons(TEPH) mg/Kg t2 C2 Spike recovery 94% 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, ff Modified 8015"), quantitated using diesel response factor Commercial diesel was <br /> used as comparison standard Results reported in milligrams per kilogram, wet(as ceived) ba s <br /> Analyst Polly Cheung Manager <br /> r This report <br /> apples only to the sample investigated and!snot necessarily indicative of the quality of apparently identical or similar samples The habdiEy <br /> of the laboratory is limited to the amount paid 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 />