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{ <br /> LABORATORY REPOR I Kennedy/Jenks/Chilton, Laboratory Division <br /> 303 Second Street, Tenth Floor North <br /> San Francisco, CA 94107 <br /> 415-362-6055 <br /> For: Helmick & Lerner, Inc. Received 11/26/90 <br /> Attention: Noel Lerner Reported 12/06/90 <br /> Address: 3750 Auburn Blvd., Suite A <br /> Sacramento, CA 95827 (HLI Job No. 0089002) <br /> Source: Edison High School (Stockton, CA) <br /> Lab. No.: 908448 <br /> Sample I.D.: 016 <br /> Matrix: Soil <br /> Depth: 13.0 ft. <br /> Date Collected: 11/21/90 <br /> Time Collected: 1024 <br /> Collected by: HLI <br /> Date Extracted: 11/28/90 <br /> Date Analyzed: 11130-12103190 <br /> Analytical Method: Calif. DHS LUFT Manual <br /> Analysis Units Analytical Results Det. Lim. <br /> Semivolatile Petroleum <br /> Hydrocarbons (1) mg/Kg 20 1 <br /> (1) Identified as diesel. <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 milligrarr s per kilogram, wet(as_figceived) w ht ba is. <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 paid for the report by the issues. The iss ee 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 a ainst all claims of persons so informed of the contents hereof. <br />