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I <br /> �t i <br /> Kenned /Jenks/Chilton Laboratory Division <br />� LABORATORY BERT y ry <br /> 303 Second Street, Tenth Floor North ; <br /> 4 � 1E San Francisco, CA 94107 <br /> e 415-362-6065 <br /> For: Helmick & Lerner, Inc. Received 12/21/90 <br /> Attention: Noel Lerner Reported 01/09/91 <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.: 909656 'I <br /> Sample I.D.: 047 <br /> Matrix: Soil <br /> I <br /> Depth: 3 ft. <br /> i Date Collected: 12/20/90 <br /> Time Collected: 1246 <br /> Collected by: HLI I� <br /> Date Extracted: 01/04/91 <br /> i <br /> Date Analyzed: 01107/91 <br /> Analytical Method: Calif. DHS LUFT Manual <br /> Analysis Units Analytil Results Det. Lim. <br /> �Semivolatile Petroleum <br /> Hydrocarbons mg/Kg <1 1 <br /> r .r <br /> j � I <br /> t <br /> i <br /> III <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'IjIame 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 ceived) weight b sis. <br /> Analyst Lynn Perrine Manager <br /> I - <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 ail 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 />