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LABORATORY REPORA Kennedy/JenkstChilton, Laboratory Division <br /> 303 Second Street, Tenth Floor North <br /> San Francisca, CA 94107 <br /> 415-362-6065 <br /> For: Helmick & Lerner, Inc. Received 11/26190 <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.: 908449 <br /> Sample I.D.: 017 <br /> Matrix: Soil <br /> Depth: 12.5 ft. <br /> Date Collected: 11/21/90 <br /> Time Collected: 1042 <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 290 1 <br /> (1) Identified as diesel. <br /> Comments: Samples were prepared by EPA Method 3540 (Soxhiett 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 <br /> This report applies only to the sample investigated and is not necessarily Indicative of the quality of apparently identical or similar samples. 'rhe 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 gainst all claims of persons so informed of the contents hereof. <br />