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1 F � <br /> LABORATORY REPT 4 Kenn /JenkslChilton, Laboratory Division <br /> ':303 Second Street, Tenth Floor North <br /> A San Francisco, CA 94107 <br /> 415--362-6065 j <br /> For: Helmick & Lerner, Inc. Received 12/21/90 <br /> i <br /> Attention: Noel Lerner :f Reported 01/04/91 <br /> Address: 3750 Auburn Blvd., Suite A <br /> Sacramento, CA 95821 ij (HLI Job No. 0089002) <br /> Source: SUSD - Stagg High School, Stockton ' <br /> Lab. No.: 909670 <br /> Sample I.D.: 044 f <br /> Matrix: Soil <br /> Depth: 2 ft. 10 in. <br /> Date Collected: 12/20/90 1 t <br /> Time Collected: 1218 i <br /> Collected by: HLI <br /> Date Extracted: 12/30/90 ! <br /> Date Analyzed: 12131/90 <br /> Calif. DHS LUFT Manual <br /> Analytical Method: ;j <br /> Analysis Units Analytical Results Det. Lim. <br /> Semivolatile Petroleum <br /> i <br /> 3 <br /> Hydrocarbons mg/Kg C1 <br /> k <br /> i i <br /> tip <br /> II I <br /> 'p l <br /> IE .i <br /> i I <br /> ' I � <br /> 4 � <br /> i <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 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, wV(asetved)w ' ht b is. <br /> Analyst Lynn Perrine Manager M;f, <br /> i <br /> This report applies only to the sample investigated and is not necessarily indicative of the quality of apparently identical a similar samples. The liability <br /> of the laboratory is limited to the amount paid for the report by the issuee. The issuee aseumes 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. r <br /> i <br /> i <br />