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CALIFORNIA LABORATORY SERVICES <br /> Committed. Responsive. Flexible. <br /> Page 12 of 23 05/08/20 08:07 <br /> Dollar Tree Distribution Center Project: D@4 San Joaquin County <br /> 1122 Runway Dr. Project Number: [none] CLS Work Order#:19L1335 <br /> Stockton,CA 95206 Project Manager: Sherry Abersold COC#:204538 <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 1910864-EPA 3010A <br /> Matrix Spike(1910864-MS1) Source:19L1279-01 Prepared&Analyzed: 12/27/19 <br /> Cadmium 97.5 1.0 mg/kg 100 0.265 97 75-125 <br /> Cobalt 104 1.0 100 9.57 95 75-125 <br /> Chromium 124 1.0 100 25.1 99 75-125 <br /> Copper 132 1.0 100 33.8 98 75-125 <br /> Arsenic 120 2.0 100 3.93 116 75-125 <br /> Lead 94.9 2.5 100 7.68 87 75-125 <br /> Selenium 119 5.0 100 0.410 119 75-125 <br /> Molybdenum 92.3 1.0 100 ND 92 75-125 <br /> Nickel 106 1.0 100 9.04 97 75-125 <br /> Selenium 79.6 2.5 100 ND 80 75-125 <br /> Silver 50.9 1.0 50.0 ND 102 75-125 <br /> Barium 368 2.0 100 213 155 75-125 QM-5 <br /> Thallium 68.5 4.0 100 ND 69 75-125 QM-5 <br /> Vanadium 144 1.0 100 49.6 94 75-125 <br /> Thallium 111 2.0 100 0.911 110 75-125 <br /> Zinc 147 1.0 100 54.2 93 75-125 <br /> Matrix Spike Dup(1910864-MSD1) Source:19L1279-01 Prepared&Analyzed: 12/27/19 <br /> Antimony 31.1 2.5 mg/kg 100 ND 31 75-125 13 30 QM-5 <br /> Arsenic 95.3 1.0 100 0.566 95 75-125 0.4 30 <br /> Barium 318 1.0 100 182 136 75-125 1 30 QM-5 <br /> Beryllium 99.5 1.0 100 ND 100 75-125 0.1 30 <br /> Nickel 136 2.0 100 25.9 110 75-125 10 30 <br /> Cadmium 97.5 1.0 100 0.265 97 75-125 0.04 30 <br /> Cobalt 104 1.0 100 9.57 94 75-125 0.2 30 <br /> Chromium 123 1.0 100 25.1 98 75-125 0.7 30 <br /> Copper 131 1.0 100 33.8 97 75-125 0.6 30 <br /> Arsenic 107 2.0 100 3.93 103 75-125 11 30 <br /> Lead 93.0 2.5 100 7.68 85 75-125 2 30 <br /> Selenium 107 5.0 100 0.410 107 75-125 10 30 <br /> Molybdenum 90.4 1.0 100 ND 90 75-125 2 30 <br /> Nickel 111 1.0 100 9.04 102 75-125 5 30 <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.californialab.com <br /> Small Business#2916 1 ELAP#1233 1 NAICS#541380 1 CA SWRCB ELAP Accreditation/Registration Number 1233 <br />