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I <br /> LABORATORY REPT ; Ken4i r/,lenks/Chilton, Laboratory Division ; <br /> :1303 Second Street, Tenth Floor North <br /> E San Francisco, CA 94107 <br /> ! 415-362-6065 <br /> For: Helmick & Lerner, Inc. I Received 12121/90 <br /> Attention: Noel Lerner `'` Reported 01/04/91 <br /> Cr Address: 3750 Auburn Blvd., Suite A E a <br /> Sacramento, CA 95821 i. (HLI .fob No. 0089002) <br /> Source: SUSD - Stagg High School, Stockton <br /> Lab. No.: 909667 <br /> Sample I.D.: 041 <br /> � <br /> Matrix: Soil. F <br /> Depth: 3 ft. � <br /> Date Collected: 12/20/90 <br /> Time Collected; 1152 <br /> Collected by: HLI <br /> Date Extracted: 12/30/90 <br /> Date Analyzed: 12/31/90 <br /> II Analytical Method: Calif. DHS LUFT Manual <br /> Analysis Units Analytical Resin Its Det. Lim. <br /> ' f <br /> Semivoiatile Petroleum <br /> Hydrocarbons mg/Kg <1 1 <br /> I <br /> ik e <br /> E <br /> I <br /> f !I <br /> II j <br /> G� ip 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, wet (as r slued) w fight sis. <br /> Analyst Lynn Perrine Manager n <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 issuee. The issues assumes all liability for the further distribution of this report or its j <br /> contents and by making such distribution agrees to hold the laboratory harmless against all claims oflpereons so informed of the contents hereof. I <br /> j <br />