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LABORATORY REPORT <br />For: Helmick & Lerner, Inc. <br />Attention: Noel Lerner <br />Address: 3750 Auburn Blvd., Suite A <br />Sacramento, CA 95827 <br />Source: <br />Lab. No.: <br />Sample I.D.: <br />Matrix: <br />Depth: <br />Date Collected: <br />Time Collected: <br />Collected by: <br />Date Extracted: <br />Date Analyzed: <br />Analvtical Method: <br />Semivolatile Petroleum <br />Hydrocarbons (1) <br />(1) Identified as diesel. <br />Kennedy/lenks/Chilton, Laboratory Division <br />303 Second Street, Tenth Floor North <br />San Francisco, CA 94107 <br />415-362-6065 <br />Received 11/26/90 <br />Reported 12/06/90 <br />Job No. <br />Edison High School (Stockton, CA) <br />908449 <br />017 <br />Soil <br />12.5 ft. <br />11/21/90 <br />1042 <br />HLI <br />11/28/90 <br />11/30-12/03190 <br />Calif. DHS LUFT Manual <br />Units Analytical Results Det <br />mg/Kg 290 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 r eived) weight bas . <br />Analyst Polly Cheung Manager yl <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 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 />