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LABORATORY REkI T ` Kennj/Jenks/Chilton, Laboratory Division <br /> l�303 Second Street, Tenth Floor North <br /> x ` San Francisco, CA 94107 <br /> 415--362-6065 r <br /> For: Helmick & Lerner, Inc. 7Received 12/21/90 <br /> Attention: Noel Lerner lReported 01/04/91 } <br /> Address: 3750 Auburn Blvd., Suite A <br /> Sacramento, CA 95821 (HLI Job No. 0089002) <br /> Source: SUSD - Stagg High School, Stockton <br /> Lab. No.: 909664 <br /> Sample I.D.: 038 <br /> Matrix: Soil i <br /> Depth: 2 ft. 10 in. <br /> } <br /> Date Collected: 12/20/90 <br /> Time Collected: 1122 f <br /> Collected by: HLI <br /> Date Extracted: 12/26/90 <br /> Date Analyzed: 12/27/90 <br /> Analytical Method: Calif. DHS LUFT Manual <br /> Analysis Units Analytical Results Det. Lim. � <br /> Semivolatile Petroleum <br /> Hydrocarbons mg/Kg <1 1 f <br /> 'll <br /> l i <br /> r <br /> Comments: Sample was prepared by EPA Method 3540(Soxhlett:,extraction), followed by concentration, per <br /> DHS/Tri-Regional Board guidelines. Gas chromatographic analysis using flame ionization detection (LOFT <br /> I` Manualp rocedure, "Modified 8015"), quantitated using diesel response factor. Commercial diesel was <br /> used as comparison standard. Results reported in milligrams per kilogra im, wet(as re ived weight ba ls. # <br /> Analyst Lynn Perrins 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 F <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 /> ofi <br /> i ' <br />