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Precision Analytical Laboratory, Inc. <br /> 4136 LAKESIDE DRIVE,RICHMOND,CA 94806 PHONE(HlSJ 222.3002 FAX(415)222-1251 <br /> CERTIFICATE OF ANALYSIS <br /> STATE LICENSE NO. 211 <br /> Received: 01/10/90 <br /> Reported: 01;16/90 <br /> .lob No. 4: 71275 <br /> Attn: Craig Wright <br /> Universal Engineering <br /> P.O. Box 1306 <br /> Benicia, CA. 94510 <br /> project: Cozad Custom Trailers <br /> Matrix: Scil <br /> Aromatic Volatile Hydrocarbon Analysis: <br /> EPA Method 8020 <br /> mg/kg <br /> Ethyl- <br /> Lab ID Client ID Benzene benzene Toluene Xylene MDL <br /> 71079- 1 Bk Rt Hole ND<p.03 ND<0.03 ND<0.03 ND<0.03 0.0' <br /> 71079--2 So. Pile ND<0.03 ND<0.03 ND<0.03 3dD<0. 0.03 <br /> .0077 <br /> 71079-3 No. Pile ND<0.03 ND<0.03 ND<0.03 0 0.03 <br /> 71079-4 Ft. L. Hole ND<0.03 ND<0.03 ND<0.03 ND<0.03 0.03 <br /> 71079-5 Bk L. Hole ND<0.03 ND<0.03 ND<0.03 ND<0.03 0.03 <br /> 71079-6 Ft Rt Hole ND<O.Q3 ND<0.03 ND<0.03 ND<0.03 0.03 <br /> 71079-7 CLX Hole ND<0.03 ND<0.03 ND<0.03 ND<0.03 0.03 <br /> 71079-8 Org. Soil ND<0.03 ND<0.03 ND<0.03 ND<0.03 0.03 <br /> Stock Pile <br /> QA/QC: Spike Recovery for Benzene: 100% <br /> Spike Recovery for Toluene: 94°' <br /> Spike Recovery for 0-Xylene: 89% <br /> MDL: Method detection limit: Compound below this level would not <br /> be detected. <br /> J4lme,� ow <br /> La`baratory Director <br /> OUTSTANDING QUALITY AND SERVICE <br /> CA,FORMA STATE CERTINED LABORATORY <br />