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u <br /> a . <br /> iMR <br /> y a <br /> Ag <br /> I IM- 1 <br /> Precision Analytical Laboratory, Inc. <br /> 4136 LAKESIDE DRIVE,RICHMOND,CA 94806 PHONE(415)222-3002 FAX 1415}222-i251 <br /> CERTIFICATE OF ANALYSIS ' <br /> STATE LICENSE NO. E 750 <br /> Received: 7/31/91 <br /> Reported: 8/13/91 <br /> �• Attn: S. Mills Job : 72669 <br /> International Technology Corporation <br /> 4585 Pacheco Boulevard <br /> Martinez, CA 94553 <br /> t Z, <br /> Project: S.P. - Stockton/190844 <br /> Matrix: Soil <br /> EPA METHOD 8020 <br /> PURGE'ABLE AROMATICS <br /> mg/Kg <br /> Lab ID: 72669-9 <br /> Client ID: 07309 VW2-2 <br /> s` Compound Concentration " Limit of Detection <br /> Benzene <br /> Toluene ND<0.005 0.005 <br /> r' ND<0.005 0.005 <br /> Chlorobenzene ND<0.005 <br /> Ethyl Benzene 0.005 <br /> ND<0.005 0.005 <br /> g Xylenes ' 0.012 <br /> 0.005 <br /> 1,4-Dichlorobenzene ND<0.005 0.005 <br /> 1,3-Dichlorobenzene 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 /> L, Benzene: 89% <br /> .< Toluene: 82% <br /> o-Xylene: 85 <br /> S � <br /> iM+ <br /> t ulti CLL( J t CQ 4 y' <br /> Su7rinder Sidhu <br /> Senior Organic Chemist, , SS/td <br /> R••' OUTSTANDING QUALITY AND SERVICE <br /> CALIFORNIA STATE CERTIFIED iABORATORY <br />