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Analytical Laboratory CERTIFICATE OFANALYSIS <br /> Wednesday,April 27, 2011 <br /> Attention: Phil Johnson <br /> Sumiden Wire Products Corp. Report Page 5of7 <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 /> Matrix Spike Dup(AD11201-MSDI) Source: 1040808-01 Prepared: 12-Apr-11 Analyzed: 15-Apr-11 <br /> Vanadium 120 0.0100 mg/kg dry 125 3.35 93 75-125 1 20 <br /> Antimony 143 0.0100 150 0.694 95 75-125 2 20 <br /> Arsenic 25.6 0.00100 25.0 1.09 98 75-125 0.4 20 <br /> Barium 558 0.0100 500 65.9 98 75-125 2 20 <br /> Beryllium 12.8 0.0100 12.5 ND 102 75-125 3 20 <br /> Cadmium 12.1 0.0100 12.5 0.508 93 75-125 0.1 20 <br /> Chromium 29.3 0.0100 25.0 12.2 69 75-125 2 20 <br /> Cobalt 130 0.0100 125 3.84 101 75-125 3 20 <br /> Lead 10.4 0.0100 12.5 2.26 65 75-125 0.3 20 <br /> Nickel 110 0.0100 100 18.4 92 75-125 4 20 <br /> Selenium 13.7 0.0100 12.5 0.339 107 75-125 0.9 20 <br /> Silver 26.6 0.00100 25.0 0.253 105 75-125 3 20 <br /> Thallium 14.1 0.0500 25.0 3.69 42 75-125 0.5 20 <br /> Zinc 113 0.100 50.0 154 NR 75-125 2 20 <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 /> (�:5/Otlr� <br /> Jonathan Le,Laboratory Director <br /> 3935 A. Coronado Ave Stockton CA. 95204 phone: (209) 477-8105 Fax: (209) 546-7497 <br />