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LABORATORY REP IT Kenn,,,WIJenkslChilton, Laboratory Division <br /> 1f303 Second Street, Tenth Floor North <br /> San Francisco, CA 94107 <br /> 415-362-6065 <br />+ For: Helmick & Lerner, Inc. Received 12/21/90 i <br /> Attention: Noel Lerner Reported 01/04/91 <br /> Address: 3750 Auburn Blvd., Suite A <br /> Sacramento, CA 95821 j'I (HLI Job No. 0089002) <br /> Source: SUSD - Stagg High School, Stockton <br /> ` Lab. No.: 909661 <br /> Sample I.D.: 035 1 <br /> i Matrix: Soil <br /> Depth: 13 ft. 4 <br /> Date Collected: 12/20/90 <br /> Time Collected: 1104 <br /> Collected by: HLI <br /> E Date Extracted: 12/26/90 <br /> i� <br /> Date Analyzed: 12/27/90 <br /> Analytical Method: Calif. DHS LUFT Manual <br /> Analysis Units Analytical Results Det. Lim. <br /> I j + <br /> Semivolatile Petroleum <br /> Hydrocarbons mg/Kg <1 <br /> I � i <br /> I <br /> l l <br /> I <br /> i <br /> Comments: Sample was prepared by EPA Method 3540 (Soxhiett!extradtion), followed by concentration, per <br /> DHS/Tri-Regional Board guidelines. Gas chromatographic analysis using flame ionization detection (LUFT i <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)weig basi <br /> Analyst Lynn Perrine Manager <br /> This report applies only to the sample investigated and is not necessarily indicative of the qu#lity of apparently identical or similar samples. Theliability <br /> Y <br /> of the laboratory is limited to the amount paid for the report by the issues. The issues assures all iiability 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 o(pefsons so informed of the contents hereof. <br /> l �I <br />