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u t <br /> wg <br /> � j Precision Analytical laboratory, Inc. <br /> .. <br /> 41351AKE5lDE DRIVE,RICHMOND,CA 94805 PHONE(415}222-3002 FAX(4151222 1251 <br /> CERTIFICATE OF ANALYSIS <br /> STATE LICENSE NO. E 750 <br /> f <br /> Received: 7/31/91 <br /> W' Reported: 8/13/91 <br /> Attn: S. Mills Soil r: 72669 <br /> International Technology Corporation <br /> 4565 Pacheco Boulevard <br /> Martinez, CA 94553 <br /> Project: B.P. - Stockton/190844 <br /> Matrix: Soil <br /> EPA METHOD 8020 <br /> .� PURGEABLE AROMATICS <br /> mg/Kg <br /> Lab ID: 72669-2 <br /> C1 ent ID• 072991MW7-2 <br /> � -•- Com au <br /> Concentratio Limit of Detection <br /> Benzene 0.009 <br /> It - Toluene 0.005 <br /> ;.r Chlorobenzene NC<0.005 0.005 <br /> Ethyl. Benzene ND<0.0V5 0.005 <br /> j Xylenes ND<0.005 0.005 <br /> 1,4-Dichlorobenzene NO<0.005 0,005 . <br /> `- 1,3-Dichlorobenzene ND<0.005 0.005 <br /> ND<0.005 0.005 <br /> 1,2--Dichlorobenzene ND<0.005 0.005 <br /> ND .= Not Detected at or above limit of detection. <br /> Spike Recovery: <br /> Benzene: 89% <br /> Toluene: 82-1 <br /> o-Xylene: 851 <br /> J surinder Sidhu <br /> Senior Organic Chemist - <br /> SS/td <br /> -- OUTSTANDING QUALITY AND SERVICE <br /> CALIFORNIA STATE CERTIFIED LABORATORY <br />