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• PRECISION <br /> ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OF ANALYSIS <br /> Thursday,February 3,2005 <br /> Attention: Abby Raceo <br /> Neil O.Anderson &Associate Report Rage 9 of 16 <br /> 902 Industrial Way <br /> Lodi, CA 95240 <br /> Metals by EPA 200 Series Metbods-Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Source '/.RFC RPD <br /> Analyte Result Limit Units fxvel Result %REC Limits RPD Limi[ Votes <br /> Batch AA52509-EPA 200 Series <br /> Blank(AA52509-BLS- Prepared!27-Jan-05 Analyzed:29-Jan-05 _ <br /> Boron ND 50.0 ug/I <br /> lion ND 50 <br /> Manganese ND 20 " <br /> LCS(AA52509-BSI) _ Prepared:27-Jan-05 Analyzed:29-Jan-05 <br /> Boron 1020 50.0 ug/I 1000 102 85-115 <br /> Iron 1020 50 1000 102 85-115 <br /> Manganese 1020 20 1000 102 85.115 <br /> Matrix Spike(AA52509-MSI) Source:5011902-03 Prepared:27-Jan-05 Analyzed:29-Jan-05 <br /> Boron 1070 50.0 uv,/I 1000 ND 107 75-125 <br /> Iron 1080 50 1000 ND 108 75-125 <br /> Manganese 1090 20 " 1000 1.4 109 75-125 <br /> Batch AB50221-EPA 200 Series <br /> Blank(AB50221-131.K1) _ Prepared&Analyzed:02-Feb-05 <br /> Silica(si02) ND 0.0500 mg/L <br /> LCS(A)350221-BSI) Prepared&Analyzed:02-Feb-05 <br /> Silica(Si02) 0.471 0.05U0 mg/L 0.500 94 85415 <br /> Matrix Spike(AB50221-MSI) Source:5012509-01 Prepared&Analyzed:02-Feb-05 _ <br /> Silica(si02) 23.7 0.0500 mg/L 0.500 23.2 100 75-125 <br /> Matrix S ike Dup(AB50221-MSDI) Source:5012509-01 Prepared&Analyzed.02-Feb-05 <br /> Silica(Si02) 23.7 0.0500 mg/L 0.500 23.2 100 75-125 0 20 <br /> mglL—milhgromrper Lifer—ppm DLR-Detection 7.owtfor Pmpare ofRepnrtwg <br /> vglL-microgramr per Lifer—ppb Ezcepfional sampleniaMcer ar lmerferennes may <br /> • reav/t N higher&election 11mits. <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le,Laboratory Director <br /> .,.,,, „ ,,, , r . ..- '.._._ n, n..._v._.. /'d nC9]n _7___.. rnnm 477 Prue nn..• 17nnl 477 3714R <br />