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. n <br /> N d. <br /> E%4 <br /> I <br /> Precision Analytical Laboratory, Inc. <br /> 4136 LAKESIDE DRIVE.RICHMOND,CA 94806 PHONE{415}222-3002 FAX(415)222-1251 <br /> t : <br /> CERTIFICATE OF ANALYSIS <br /> STATE LICENSE NO. 211 <br /> Received: 02/14/91 <br /> Reported: 02/15/91 <br /> ' : <br /> _ Attn: Dan Wynne Job 72253 <br /> International Technology <br /> 4585 Pacheco Blvd. <br /> Martinez, CA. 94553 <br /> Project: BP Stockton <br /> Matrix: Soil <br /> Aromatic volatile Hydrocarbon Analysis <br /> EPA Method 8020 <br /> i,,.q/kg <br /> Lab ID Client ID Berzene MDL Toluene MDL <br /> 72253-1 SSS-P4-1 ND<0.005 0.005 ND<0.005 0.005 <br /> 72253-2 SSS-P6-1 ND<0.005 0.005 ND<0.005 0.005 <br /> w 72253-3 SSS-P6-2 ND<0.005 0.,005 ND<0.005 0.005 <br /> 72253-4 SSS-P5-1 ND<0.15 0.15 11.0 0.15 <br /> 72253-5 SSS-P5-2 ND<0.15 0.15 22.0 0.15 <br /> "._.. 72253-6 SSS-P5-3 ND<0.15 0.15 1.4 0.1 <br /> 72253-7 SSS-P5•-4 ND<0.15 0.15 0.93 0.15; <br /> Ethyl- <br /> Lab_ID Client ID benzene MDL Xylene MDL <br /> 72253-1 S&S-P4-1 ND<0.005 0.005 ND<0.005 0.005 <br /> 72253-2 SSS-P6-1 ND<0.005 0.005 ND<0.005 0.005 <br /> ;. 72253-3 SSS-P6-2 ND<0.005 0.005 0.012 0.005 <br /> 72253-4 SSS-P5-1 16.0 0.15 500 0.30 <br /> ? 72253-5 SSS-P5-2 13.0 0.1.5 2700.30 <br /> 72253-6 SSS-P5-3 1.2 0.15 200 0:30 <br /> `r 72253-7 SSS-P5-4 0.98 0.15 94.0 0.30 <br /> a <br /> p : QA/QC: Spike Racovery for Benzene: 116% <br /> Spike Recovery For Toluene: 121% <br /> Spike Recovery for O-Xylene: 105% <br /> hr MDL: Meth detection limit; Compour_d below '`this level would not be <br /> detected. <br /> acme-Ch W <br /> ------- � Loratory Director ' - --- --- ------ JC/dc --- ---- ---- --- - <br /> OUTSTANDING QUALITY AND SERVICE <br /> ... CALIFORNIA STATE CERTIFIED LABORATORY <br />