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it <br /> LABORATORY REPOYT KennYJenkstChilton, Laboratory Division <br /> X303 Second Street, Tenth Floor North <br /> l ,San FranciscoCA 94107 ' <br /> i , <br /> 415-362-6065 <br /> For: Helmick & Lerner, Inc. i ;'i Received 12/21/90 j <br /> Attention: Noel Lerner I Reported 01/09/91 <br /> Address: 3750 Auburn Blvd., Suite A F <br /> Sacramento, CA 95821 i� (HL1 Job No. 0089002) <br /> Source: SUSD - Stagg High School, Stockton 1 <br /> Lab. No.: 909654 <br /> Sample I.D.: 045 ii <br /> i Matrix: Soil <br /> h <br /> Depth: 3 ft. <br /> Date Collected: 12/20/90 I E <br /> Time Collected: 1227 11 h <br /> Collected by: HLI i <br /> Date Extracted: 01/04/91 y <br /> Date Analyzed: 01/07/91 `` ? <br /> Analytical Method: Calif. DHS LUFT Manual <br /> Analysis Units Analytical Res6 Its Det. Lim. <br /> Semivolatile Petroleum j <br /> Hydrocarbons (1) mg/Kg 5000 i� 1 1 <br /> :! 1 <br /> � 1 <br /> 1 <br /> (1) Identified as diesel. ' <br /> l <br /> !I 3 <br /> C l i <br /> Comments: Sample was prepared by EPA Method 3540 (SoxhietfJextraetion), followed by concentration, per } <br /> DHSITri-Regional Board guidelines. Gas chromatographic analysis using flame ionization detection (LOFT <br /> Manual procedure, "Modified 8015"), quantitated using diesel response factor. Commercial diesel was <br /> used as comparison standard. Results reported in milligrams perii#ilogram, wet(as received) we-'Lqht basis ► <br /> Analyst Lynn Perrine Manager <br /> } 1 <br /> L l <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 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 />