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CALIFORNIA LABORATORY SERVICES <br /> Page 23 of 27 03/13/14 15:33 <br /> Kleinfelder(Stockton) Project: SR4 <br /> 2001 Arch-Airport Road,suite 100 Project Number: 113961.8 CLS Work Order#:CXC0398 <br /> Stockton,CA 95206 Project Manager: Doug Heard COC#:28764,62,63 <br /> CAM 17 Metals-Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch CX01646-EPA 3010A <br /> Matrix Spike Dup(CX01646-MSDI) Source:CXC0398-05 Prepared&Analyzed:03/11/14 <br /> Antimony 7.55 2.5 mg/kg 25.0 ND 30 75-125 21 30 QM-5 <br /> Barium 185 I.0 25.0 232 NR 75-125 13 30 QM-4X <br /> Beryllium 20.5 0.50 25.0 0.620 80 75-125 3 30 <br /> Cadmium 22.5 0.50 25.0 0.415 88 75-125 3 30 <br /> Cobalt 34.0 1.0 25.0 13.7 81 75-125 5 30 <br /> Chromium 69.5 1.0 25.0 42.1 109 75-125 12 30 <br /> Copper 52.3 1.0 25.0 30.6 87 75-125 5 30 <br /> Lead 37.5 2.5 25.0 16.2 85 75-125 6 30 <br /> Molybdenum 20.1 1.0 25.0 0.485 78 75-125 5 30 <br /> Nickel 49.8 1.0 25.0 28.0 87 75-125 11 30 <br /> Silver 23.9 0.50 25.0 ND 96 75-125 4 30 <br /> Vanadium 77.0 1.0 12.5 70.3 54 75-125 8 30 QM-4X <br /> Zinc 98.1 1.0 25.0 72.2 103 75-125 9 30 <br /> Batch CX01674-EPA 7471A <br /> Blank(CX01674-BLKI) Prepared&Analyzed:03/12/14 <br /> Mercury ND 0.10 mg/kg <br /> LCS(CX01674-BSI) Prepared&Analyzed:03/12/14 <br /> Mercury 0.238 0.10 mg/kg 0.250 95 75-125 <br /> Matrix Spike(CX01674-MS1) Source:CXC0398-05 Prepared&Analyzed:03/12/14 <br /> Mercury 0.281 0.10 mg/kg 0.250 0.0600 88 75-125 <br /> Matrix Spike Dup(CX01674-MSD1) Source:CXC0398-05 Prepared&Analyzed:03/12/14 <br /> Mercury 0.285 0.10 mg/kg 0.250 0.0600 90 75-125 1 25 <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova,CA 95742 www.californialab.com 916-638-7301 Fax:916-638-4510 <br />