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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. 211 <br /> Received: 12/27/89 <br /> Reported: 01/02/90 <br /> Job No : 71251 <br /> Attn: Tom Edwards <br /> Tom Edwards & Associates <br /> P.O. Box 418 <br /> Pinole, CA. 94564 <br /> Project: San Juaquin City Resort <br /> Matrix: Soil <br /> Aromatic Volatile I-iydrocarbon Analysis : <br /> EPA Method 8020 <br /> mg/kg <br /> Lab ID Client ID Benzene Toluene MDL <br /> 71251-1 41 South C 13 ' Depth ND<0. 03 ND<0. 03 0. 03 <br /> 71251-2 #2 Southeast 16 ' Depth 0 . 280 ND<0 . 03 0. 03 <br /> 71.251-3 #3 North East 14 ' ND<0. 03 ND<0 . 03 0. 03 <br /> Lab ID Client ID Ethylbenzene. Xylene MDL <br /> 71251-1 #1 South C 13 ' Depth ND<0. 03 ND<0 . 03 0 . 03 <br /> 71251-2 '#2 Southeast 16 ' Depth 0 . 30 0 . 30 0. 03 <br /> 71251-3 #3 North East 14 ' ND<0 . 03 ND<0. 03 0 . 03 <br /> QA/QC: Spike Recovery for Benzene: 104% <br /> Spike Recovery for Toluene: 970 <br /> Spike Recovery for O-xylene: 93% <br /> MDL: Method detection limit; Compound below this level would not <br /> be detected. <br /> fLC4-AV%-'d-u� �7 <br /> Surinder Sidhu <br /> Senior Chemist <br /> OUTSTANDING 0UAtITY.4ND SERVICE <br /> CALIFORNIA STATE CEPTITiED LABORATORY <br />