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- - LABORATORY REPORT" Kennedy/Zenks/Chilton, Laboratory Division <br />303 Second Street, Tenth Floor North <br />San Francisco, CA 94107 <br />415-362-6065 <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.: 908450 <br />Sample I. D.: 018 <br />Matrix: Soil <br />Depth: 4 ft. <br />Date Collected: 11/21/90 <br />Time Collected: 1106 <br />Collected by: HLI <br />Date Extracted: 11/28/90 <br />Date Analyzed: 11/30-12/03/90 <br />Analytical Method: Calif. DHS LUFT Manual <br />Analysis Units Analytical Results Det. Lim. <br />Semivolatile Petroleum <br />Hydrocarbons (1) mg/Kg <1 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 8015"), quantitated using diesel response factor. Commercial diesel was <br />used as comparison standard. Results reported in milligrams per kilogram, wet (as received) weigh <br />�)pasis <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 issues assumes all liability for the further distribution of this report wits <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 />