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CALIFORNIA LABORATORY SERVICES <br /> Committed. Responsive. Flexible. <br /> Page 6 of 7 11/27/1916:13 <br /> NES Project: Cozad <br /> 1141 Sibley St Project Number: [none] CLS Work Order#:19K1235 <br /> Folsom,CA 95630 Project Manager: Natasha McClurg COC#: <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 1909939-EPA 3050B <br /> Matrix Spike Dup(1909939-MSD1) Source:19K1184-01 Prepared&Analyzed: 11/26/19 <br /> Molybdenum 4.69 2.0 mg/kg 10.0 0.504 42 75-125 13 30 QM-5 <br /> Cadmium 9.64 1.0 10.0 ND 96 75-125 3 30 <br /> Barium 150 2.0 10.0 136 147 75-125 5 30 QM-5 <br /> Antimony ND 5.0 10.0 ND 75-125 30 QM-5 <br /> Thallium 10.5 2.0 10.0 0.232 103 75-125 7 30 <br /> Lead 22.6 5.0 10.0 10.3 123 75-125 5 30 <br /> Batch 1909962-EPA 7471A <br /> Blank(1909962-BLK1) Prepared: 11/26/19 Analyzed:11/27/19 <br /> Mercury ND 0.10 mg/kg <br /> LCS(1909962-BS1) Prepared: 11/26/19 Analyzed:11/27/19 <br /> Mercury 0.167 0.10 mg/kg 0.208 80 75-125 <br /> Matrix Spike(1909962-MS1) Source:19K1184-01 Prepared:11/26/19 Analyzed:11/27/19 <br /> Mercury 0.176 0.10 mg/kg 0.208 0.0178 76 75-125 <br /> Matrix Spike Dup(1909962-MSD1) Source:19K1184-01 Prepared: 11/26/19 Analyzed:11/27/19 <br /> Mercury 0.196 0.10 mg/kg 0.208 0.0178 86 75-125 11 25 <br /> 3249 Fitzgerald Road,Rancho Cordova,CA 95742 1 800.638.7301 1 Tel:916.638.7301 x102 1 Fax:916.638.4510 1 www.californialob.com <br /> Small Business#2916 1 ELAP#1233 1 NAICS#541380 1 CA SWRCB ELAP Accreditation/Registration Number 1233 <br />