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' Precision Analytical Laboratory, Inc. <br /> 4136 LAKESIDE DRIVE, RICHMOND, CA 94806 PHONE (510) 222-3002 FAX (510( 222-1251 <br /> CERTIFICATE OF ANALYSIS <br /> STATE LICENSE NO. 1150 <br /> Attn: Mary Boyd Date Received: 10/20/94 <br /> Erickson, Inc. Date Analyzed: 10/28/94 <br /> 255 Parr Boulevard Date Reported: 10/31/94 <br /> Richmond, CA 94801 Job #: 76330 <br /> ' Project: #86311/Shinko <br /> Matrix: Soil <br /> EPA Method 6010 <br /> Preparation Method 3050 <br /> Lab I.D. : 76330-1 mg/Kg <br /> Client I. D. : B-1-5 ' <br /> ' % Spike % Spike <br /> METAL MDL Recovery Duplicate Recovery <br /> Arsenic ND<0.88 0. 88 84 96 <br /> Beryllium 0.20 0. 15 92 96 <br /> Cadmium ND<0. 18 0. 18 88 92 <br /> Chromium 6.25 0. 05 90 94 <br /> Copper 5.75 0. 18 92 96 <br /> Nickel 7. 00 0.45 88 92 <br /> 1 Lead 3 . 50 0.80 92 96 <br /> Antimony ** 0.75 0.50 92 92 <br /> Selenium ND<0. 65 0. 65 88 92 <br /> Thallium ND<1. 10 1. 10 80 86 <br /> zinc 23. 5 0. 35 88 92 <br /> Silver ** ND<0. 05 0. 05 84 86 <br /> Mercury *** ND<0. 015 0. 015 96 98 <br /> ' ** Preparation Method 3005 <br /> *** Mercury by Cold Vapor, Method 7471 <br /> MDL: Method Detection Limit. Compound below this level would not be <br /> detected. <br /> ' Ja3 [fie Cho <br /> Lar ry Director JC/dwc <br /> OUTSTANDING QUALITY AND SERVICE <br /> CALIFORNIA STATE CERTIFIED LABORATORY <br />