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L <br /> LABORATORY REFR >Kennedy/Jenks/Chilton, Laboratory Division <br /> s <br /> ' ;`303 Second Street, Tenth Floor North <br /> San Francisco, CA 94107 <br /> 415-362-6065 i <br /> For: Helmick & Lerner, Inc. Received 12/21/90 i <br /> Attention: Noel Lerner lReported 01/09/91 <br /> Address: 3750 Auburn Blvd., Suite A I <br /> Sacramento, CA 95821 (HLI Job No. 0089002) <br /> LSource: SUSD - Stagg High School, Stockton <br /> Lab. No.: 909659 l� <br /> Sample I.D.: 050 i <br /> Matrix: Soil <br /> Depth: 3.5 ft. <br /> Date Collected: 12/20/90 t <br /> Time Collected: 1314 <br /> Collected by: HLI <br /> Date Extracted: 01/04/91 P # <br /> Date Analyzed: 01/07/91 !� r <br /> Analytical Method: Calif. DHS LUFT Manual jj 1 <br /> Analysis Units Analytical Results Det. Lim. <br /> Semivolatile Petroleum , <br /> Hydrocarbons mgfKg <1 'I 1 f <br /> 9 l <br /> i <br /> i <br /> I <br /> L <br /> I <br /> I } <br /> J �$ <br /> Comments: Sample was prepared by EPA Method 3540 (Soxhlett extraciiion), followed by concentration, per <br /> DHSITri-Regional Board guidelines. Gas chromatographic analysis using flame ionization detection (LUFT , <br /> Manual procedure, "Modified 8015"), quantitated using diesel response factor. Commercial diesel was Ir <br /> used as comparison standard. Results reported in milligrams per kilogram, wet(as r eived) weight bapis. <br /> Analyst Lynn Perrine Manager <br /> k , <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 /> r of the laboratory is limited to the amount paid for the report by the issues. The issuee assumes all liadility for the furl her 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 />