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x.s. <br /> 4 <br /> q <br /> E <br /> I <br /> Precision Analytical C+_7boratory, Inc. <br /> a <br /> 4136 LAKESIDE DRIVE,RICHMOND,CA 94806 PHONE{415)222-3002 FAX(4)5)222-1251 <br /> CERTIFICATE OF ANALYSIS <br /> STATE LICENSE NO. 211 <br /> Received: 02/20/91 <br /> Reported: 02/26/91 <br /> _. Attn: Dan Wynne Jab #: 72265 <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 /> mg/kg <br /> D Cl;artt TD _ Ben :ane D <br /> hw 72265-1 SS-Pipe-1 ND<0.005 0.005 To uene <br /> 72265-5 SS-pipe-5 ND<0.005 0.005 ND<0.005 0.005 <br /> 72265-6 SS-Pipe-6 ND<0.005 0.005• ND<0.005 O.005 <br /> _. 72265-7 SSS-P7-1 ND<0.005 0.005 <br /> 72265-8 SSS--P7' 2 0.074 0.005 0.030 0.005 <br /> 0.23 0.005 0.065 0.005 <br /> Ethyl- <br /> 72265-1 SS-Pi a-1 be zene e e M <br /> P NWC,0.005 0.005 <br /> 72265`5 SE-pipe-5 ND<0.005 0.0050.04` 0.005 <br /> 72265-6 SS-Pipe-6 ND<0.005 0.005 ND<0.005 0.005 <br /> 72265-7 SSS-p7-1 ND<0.005 0.005 <br /> 72265-8 SSS-P7-2 0.27 0.005 1.00 0.005 <br /> 0.63 0.005 5.80 0.005 <br /> QA/QC: Spike Recovery for Benzene: 84$ <br /> Spike Recovery for Toluene: 95% <br /> Spike Recovery for Xylene: 101 <br /> MDI;: Method detection limit; <br /> be de ected. Compound below this leve] would not <br /> r- <br /> ( m Chow' <br /> \ .bo ataxy Director <br /> JC/do <br /> OUTSTANDING QUALITY AND 5ERviCE <br /> ,. CALIFORNIA STATE CERTMED LABORATORY <br />