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Precision Analytical Laboratory, Inc. <br /> 4136 LAKESIDE DRIVE,RICHMOND,CA 94806 PHONE(415)222-3002 FAX(415)222-1251 <br /> CERTIFICATE OF ANALYSIS <br /> STATE LICENSE NO. E 750 <br /> Received: 06/18/91 <br /> Reported: 07/01/91 <br /> Attn: Dan Wynne Job #: 72562 <br /> International Technology Corporation <br /> 4585 Pacheco Boulevard <br /> Martinez, CA 94553 <br /> Project: B.P. March Lane/190892 <br /> Matrix: Soil <br /> Aromatic Volatile Hydrocarbon Analysis <br /> EPA Method 8020 <br /> mg/Kg <br /> Lab ID Client ID Benzene MDL Toluene MDL <br /> 72562-1 SB-1 / 6 - ND<0. 005 0. 005 ND<0. 005 0. 005 <br /> 72562-2 SB-1 / 11 ' ND<0. 005 0. 005 ND<0. 005 0. 005 <br /> 72562-3 SB-1 / 21 ' ND<0. 005 0. 005 ND<0. 005 0. 005 <br /> ` 72562-4 SB-3 / 16 ' ND<0. 005 0. 005 ND<0. 005 0. 005 <br /> 72562-5 SB-3 / 21' ND<0. 005 0. 005 ND<0. 005 0. 005 <br /> Ethyl- <br /> Lab ID Client ID benzene MDL Xylenes MDL <br /> 72562-1 SB-1 / 6 ' ND<0. 005 0. 005 ND<0. 005 0.005 <br /> 72562-2 SB-1 / 11' ND<0 . 005 0. 005 ND<0. 005 0. 005 <br /> - 72562-3 SB-1 / 21 ' ND<0. 005 0. 005 ND<0. 005 0. 005 <br /> 72562-4 SB-3 / 16 ' ND<0. 005 0. 005 ND<0. 005 0. 005 <br /> 72562-5 SB-3 / 21 ' ND<0. 005 0. 005 ND<0. 005 0. 005 <br /> QA/QC: Spike Recovery for Benzene: 87% <br /> Spike Recovery for Toluene: 83% <br /> Spike Recovery for Xylene: 68% <br /> MDL: Method Detection Limit. Compound below this level would not be <br /> detected. <br /> IL <br /> Jame how <br /> Lab tory Director JC/td <br /> OUTSTANDING QUALITY AND SERVICE <br /> CALIFORNIA STATE CERTIFIED LABORATORY <br />