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�l I <br /> i �- <br /> �:II <br /> LABORATORY REPORT Xenn /Jenks/Chilton Laboratory Division <br /> II Y ry � <br /> ,: 303 Second Street, Tenth Floor North <br /> San Francisco, CA 94107 <br /> ;+ 415-362-6065 <br /> For: Helmick 8 Lerner, Inc. iy} i Received 12/21/90 r <br />{ Attention: Noel Lerner i! ' [Reported 01/09/91 <br /> Address: 3750 Auburn Blvd., Suite A �} ,F Quality Control Page <br /> i Sacramento, CA 95821 (HLI Job No. 0089002) ► <br /> Source: SUSD - Stagg High School, Stockton <br /> Lab. No.: 909655 l <br /> Sample E.D.: 046 <br /> t Matrix: Soil <br /> Depth: 3 ft. t <br /> i <br /> � I <br /> Date Collected: 12/20/90 <br /> Time Collected: 1236 I <br /> Collected by: HLI <br /> Date Extracted: 01/04/91 <br /> Date Analyzed: 01/07/91 ) <br /> Calif. DHS LUFT Manual <br /> Analytical Method: <br /> Analysis Units Replicate Analytical Results Det. Lim. <br /> k <br /> Semivolatile Petroleum l <br /> Hydrocarbons (1) mg/Kg 2.9 3.0 Spike recovery 841'% 1 f <br /> I <br /> ii <br /> i <br /> (1) Identified as diesel. <br /> ;F <br /> a <br /> 'a } <br /> . <br /> l a <br /> Comments: Sample was prepared by EPA Method 3540 (Soxhlett extraction), followed by concentration, per <br /> DHS/Tri-Regional Board guidelines. Gas chromatographic analysis using1iionization 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 received) weight basis. <br /> Analyst Lynn Perrine Manager <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 I <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 /> ,f I <br />