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• • <br /> ' 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. : 76330-4 mg/Kg <br /> Client I.D. : S-1 <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 4 .65 0. 05 90 94 <br /> Copper 6. 00 0. 18 92 96 <br /> Nickel 6. 15 0.45 88 92 <br /> ' Lead 2 . 65 0.80 92 96 <br /> Antimony ** ND<0. 50 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 /> ' J ime Ch <br /> La -atory Director JC/dwc <br /> ' OUTSTANDING QUALITY AND SERVICE <br /> CALIFORNIA STATE CERTIFIED LABORATORY <br />