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14 <br /> 4EO <br /> Analytical Laboratory CERTIFICATE OFANALYSIS <br /> Wednesday,April 27, 2011 <br /> Attention: Phil Johnson <br /> Sumiden Wire Products Corp. Report Page 4 of 7 <br /> 1412 EI Pinal Drive <br /> Stockton, CA 95208-0719 <br /> Metals by EPA 6000/7000 Series Methods-Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch AD11201 -EPA 3020A <br /> LCS(AD11201-BSI) Prepared: 12-Apr-11 Analyzed: 15-Apr-I l <br /> Calibration Check(AD11201-CCVI) Prepared: 12-Apr-11 Analyzed: 15-Apr-11 <br /> Antimony 0.598 0.00100 mg/kg wet 0.600 100 0-200 <br /> Vanadium 0.492 0.00100 0.500 98 0-200 <br /> Arsenic 0.102 0.00100 0.100 102 0-200 <br /> Barium 2.20 0.00100 2.00 110 0-200 <br /> Beryllium 0.0509 0.00100 0.0500 102 0-200 <br /> Cadmium 0.0528 0.00100 0.0500 106 0-200 <br /> Chromium 0.0987 0.00100 0.100 99 0-200 <br /> Cobalt 0.517 0.00100 0.500 103 0-200 <br /> Copper 0.253 0.00100 0.250 101 0-200 <br /> Lead 0.0403 0.00100 0.0500 81 0-200 <br /> Nickel 0.413 0.00100 0.400 103 0-200 <br /> Selenium 0.0561 0.00100 0.0500 112 0-200 <br /> Silver 0.106 0.00100 0.100 106 0-200 <br /> Thallium 0.0818 0.0000200 0.100 82 0-200 <br /> Zinc 0.203 0.00100 0.200 101 0-200 <br /> Matrix Spike(AD11201-MSI) Source: 1040808-01 Prepared: 12-Apr-11 Analyzed: 15-Apr-11 <br /> Vanadium 118 0.00100 mg/kg dry 125 3.35 92 75-125 <br /> Antimony 139 0.0100 150 0.694 92 75-125 <br /> Arsenic 25.5 0.00100 25.0 1.09 98 75-125 <br /> Barium 547 0.0100 500 65.9 96 75-125 <br /> Beryllium 12.3 0.0100 12.5 ND 99 75-125 <br /> Cadmium 12.1 0.0100 12.5 0.508 93 75-125 <br /> Chromium 28.9 0.0100 25.0 12.2 67 75-125 <br /> Cobalt 125 0.0100 125 3.84 97 75-125 <br /> Lead 10.4 0.0100 12.5 2.26 65 75-125 <br /> Nickel 106 0.0100 100 18.4 88 75-125 <br /> Selenium 13.5 0.0100 12.5 0.339 106 75-125 <br /> Silver 25.7 0.00100 25.0 0.253 102 75-125 <br /> Thallium 14.1 0.00500 25.0 3.69 42 75-125 <br /> Zinc 111 0.00100 50.0 154 NR 75-125 <br /> mg/L=milligrams per Liter=ppm DLR=Detection Limit for Purpose of Reporting. <br /> ug/L=micrograms per Liter=ppb Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> . 4�jlo'A� <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 vhone: (209) 477-8105 Fax: (209) 546-749 7 <br />