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LABORATORY REPORT <br />Kennedy/Jenks/Chilton, Laboratory Division <br />— <br />303 Second Street, Tenth Floor North <br />San Francisco, CA 94107 <br />415-362-6065 <br />— For: Helmick & Lerner, Inc. <br />Received 11/21/90 <br />Attention: Noel Lerner <br />Reported 12/06/90 <br />Address: 3750 Auburn Blvd., Suite A <br />Quality Control Page <br />— Sacramento, CA 95821 <br />(HLI Job No. 0089002) <br />Source: <br />Edison High School (Stockton, CA) <br />Lab. No.: <br />908372 <br />— Sample I.D.: <br />014 <br />Matrix: <br />Soil <br />Depth: <br />12.5 ft. <br />— Date Collected: <br />11/19/90 <br />Time Collected: <br />1538 <br />Collected by: <br />HLI <br />— Date Extracted: <br />11/28/90 <br />Date Analyzed: <br />11/30-12/03/90 <br />Analytical Method: <br />Calif. DHS LUFT Manual <br />— Analysis Units <br />Replicate Analytical Results Det. Lim. <br />Semivolatile Petroleum <br />— Hydrocarbons (1) mg/Kg <br />5.8 14.0 Spike recovery 68% 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 <br />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) weight basis. <br />Analyst Lynn Perrine Manager p1 <br />This report applies only to the sample investigated and is not necessarily indicative ofthe quality of apparently identical or similar samples. Theliability <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 />