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ff�tC"k I--e-"t <br /> 4 46 <br /> OEkn= <br /> Laboratory CERTIFICATE OFANALYSIS <br /> Wednesday, April 27, 2011 <br /> Attention: Phil Johnson <br /> Sumiden Wire Products Corp. Report Page 3of5 <br /> 1412 EI Pinal Drive <br /> Stockton, CA 95208-0719 <br /> Metals by EPA 200 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 AD 10703-EPA 3020A <br /> LCS(AD10703-BSI) Prepared&Analyzed:07-Apr-11 <br /> Calibration Check(AD10703-CCV1) Prepared&Analyzed:07-Apr-11 <br /> Lead 0.00849 mg/L 0.0100 85 0-200 <br /> Cadmium 0.0102 0.0100 102 0-200 <br /> Barium 0.377 0.400 94 0-200 <br /> Thallium 0.0207 0.0200 104 0-200 <br /> Nickel 0.0843 0.0800 105 0-200 <br /> Vanadium 0.0934 0.100 93 0-200 <br /> Chromium 0.0187 0.0200 94 0-200 <br /> Copper 0.0588 0.0500 118 0-200 <br /> Antimony 0.114 0.120 95 0-200 <br /> Cobalt 0.103 0.100 103 0-200 <br /> Silver 0.0201 0.0200 101 0-200 <br /> Selenium 0.0108 0.0100 108 0-200 <br /> Zinc 0.0405 0.0400 101 0-200 <br /> Arsenic 0.0197 0.0200 99 0-200 <br /> Matrix Spike(AD10703-MSI) Source:1040712-01 Prepared&Analyzed:07-Apr-11 <br /> Barium 1.85 0.0500 mg/L 2.00 0.0209 91 75-125 <br /> Cadmium 0.0434 0.00500 0.0500 ND 87 75-125 <br /> Thallium 0.0878 0.0100 0.100 ND 88 70-120 <br /> Lead 0.0423 0.00500 0.0500 ND 85 75-125 <br /> Selenium 0.0409 0.0100 0.0500 0.00107 80 75-125 <br /> Antimony 0.536 0.0100 0.600 ND 89 75-125 <br /> Silver 0.0679 0.0100 0.100 ND 68 70-125 <br /> Vanadium 0.415 0.0100 0.500 0.00380 82 75-125 <br /> Copper 0.237 0.0100 0.250 0.00254 94 75-125 <br /> Zinc 0.199 0.0100 0.200 0.0246 87 75-125 <br /> Chromium 0.0846 0.0100 0.100 0.0105 74 70-125 <br /> Cobalt 0.448 0.00500 0.500 ND 90 75-125 <br /> Nickel 0.352 0.0100 0.400 0.00488 87 70-125 <br /> Arsenic 0.0876 0.0100 0.100 0.00321 84 80-125 <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 /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 phone: (209) 477-8105 Fax: (209) 546-7497 <br />