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.r , <br /> Precision Analytical Laboratory, Inc. <br /> w' 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: 03/17/89 <br /> Reported: 04/03/89 <br /> Job No #: 70733 <br /> Attn: Harry Stockton <br /> Erickson, Inc. <br /> 255 Parr Blvd. <br /> Richmond, CA. 94801 <br /> Project: R & B and Sons, Inc. <br /> Aromatic Volatile Hydrocarbon Analysis: <br /> EPA Method 8020 <br /> mg/kg <br /> Lab ID Client ID Benzene Toluene MDL <br /> 70733-1 Sample #1 0. 08 0. 11 0. 03 <br /> 70733-2 Sample #2 0. 07 0. 112 0. 03 <br /> 70733-3 Sample #3 0. 07 0. 106 0. 03 <br /> 70733-4 Sample #4 0.035 0.070 0. 03 <br /> Lab ID Client Ib Ethylbenzene Xylene MDL <br /> 70733-1 Sample #1 <0. 03 0. 13 0. 03 <br /> 70733-2 Sample #2 <0. 03 0. 15 0. 03 <br /> 70733-3 Sample #3 <0. 03 0. 11 0. 03 <br /> 70733-4 Sample #4 <0. 03 0. 09 0. 03 <br /> QA/QC: Spike Recovery for BTX Average: 76. 5°% <br /> im - C ow <br /> ab story Director <br /> OUTSTANDING QUALITYAND SERVICE <br /> CALIFORNIA STATE CERTIFIED LABORATORY <br />