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Analytical Laboratory CERTIFICATE OFANALYSIS <br /> Friday;May 9,2014 <br /> Attention: BIII Lite <br /> Advanced GeoEnvironmental,Inc. Report Page 17 jr25 <br /> 837 Shaw Road <br /> Stockton,CA 95215 <br /> Metals by EPA 6000/7000 Series Methods-Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Som. %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Nota <br /> Batch AE40110-General Preparation <br /> Blank(AE40110-BLK1) Prepared&Analyzed:01-May-14 <br /> Chromium(VI) ND 0.0500 mg/kg <br /> LCS(AE40110-BSI) Prepared&Analyzed:01-May-14 <br /> Chromium(VI) 0.0480 0.0500 mg/kg 0.0500 96 80.120 <br /> LCS Dup(AE40110-BSDI) Prepared&Analyzed:01-May-14 <br /> Chrommin(VI) 0.0475 0.0500 mgrkg 0.0500 95 80-120 1 20 <br /> Batch AE40620-General Preparation <br /> Blank(AE40620-BLKI) Prepared&Analyzed:06-May-14 <br /> Cadmium ND 0.0100 mg/kg wet <br /> Chromium ND 0.0100 <br /> Lead ND 0.0100 <br /> Nickel ND 0.0100 <br /> Zinc ND 0.100 " <br /> LCS(AE40620-BSI) Prepared&Analyzed:06-May-14 <br /> Cadmium 0.0801 0.0100 mg/kg wet 0.100 80 75-125 <br /> Clvomium 0.0904 0.0100 0.100 90 75-125 <br /> Lead 0,124 0.0100 0.100 124 75-125 <br /> Nickel 0.0873 0.0100 0.100 87 75-125 <br /> Zinc 0.0889 0.0100 0.100 89 80.120 <br /> Matrix Spike(AE40620-MSI) Source:4050610-01 Prepared&Analyzed:06-May-14 <br /> Cadmium 19.1 0.0500 mg/kg wet 25.0 ND 76 75-125 <br /> Clu'omium 26.4 0.0500 25.0 0.0768 105 75-125 <br /> Lead 29.0 0.0500 " 25.0 0.722 113 75-125 <br /> Nickel 26.1 0.0500 25.0 0.206 104 75-125 <br /> Zinc 30.2 0.500 25.0 2.24 112 75-125 <br /> mgL=milligmnrsprliter=Ppn DLR-D.dx Limir7rPurpue ofRepaning. <br /> jig L-mivmgannsyer Lner=ppb Fap,nwvl mmVl mabtCCs or inmrfercnr<s may <br /> RESPECTFULLY SUBNUTTED, <br /> � � <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Are Stockton C.4. 9520-1 shave: (709) 477-8105 P'<a: 12091 546-719% <br />