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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "Iflien Qun(it),Counts" http://www.mecampbell.com/E-mail:main@mccampbell-corn <br /> Quality Control Report <br /> Client: GeoRestoration,Inc. WorkOrder: 1407082 <br /> Date Prepared: 7/1/14 BatchID: 92288 <br /> Date Analyzed: 7/2/14-7/7/14 Extraction Method: SW3050B <br /> Instrument: ICP-MS2 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/Kg <br /> Project: #1163-3;Metalsa Sample ID: MB/LCS-92288 <br /> 1407053-009BMS/MSD <br /> QC Summary Report for SW6020 <br /> Analyte MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> Result Result Val Val %REC %REC Limits Limit <br /> Antimony 53.0 53.0 50 ND 106 106 75-125 0 20 <br /> Arsenic 57.7 59.7 50 1.767 112 116 75-125 3.43 20 <br /> Barium 556 569 500 27.00 106 108 75-125 2.29 20 <br /> Beryllium 57.4 58.6 50 ND 115 117 75-125 2.05 20 <br /> Cadmium 53.9 54.8 50 ND 108 110 75-125 1.71 20 <br /> Chromium 98.6 91.1 50 33.76 130,F1 115 75-125 7.81 20 <br /> Cobalt 58.1 59.0 50 4.414 107 109 75-125 1.45 20 <br /> Copper 55.9 57.7 50 3.037 106 109 75-125 3.20 20 <br /> Lead 54.2 55.2 50 1.623 105 107 75-125 1.74 20 <br /> Mercury 1.49 1.50 1.25 ND 119 120 75-125 0.401 20 <br /> Molybdenum 50.5 51.3 50 ND 101 103 75-125 1.57 20 <br /> Nickel 76.7 77.2 50 21.66 110 111 75-125 0.754 20 <br /> Selenium 55.9 57.3 50 ND 112 115 75-125 2.40 20 <br /> Silver 52.1 53.3 50 ND 104 107 75-125 2.26 20 <br /> Thallium 51.7 52.8 50 ND 103 106 75-125 1.95 20 <br /> Vanadium 93.0 88.8 50 31.09 124 115 75-125 4.55 20 <br /> Zinc 559 582 500 15.51 109 113 75-125 3.93 20 <br /> Surrogate Recovery <br /> Tb 350.917 535 541 500 107 108 70-130 1.10 20 <br /> (Cont.) <br /> CDPH ELAP 1644 NELAP 4033ORELAP `' QA/QC Officer <br /> Page 45 of 65 <br />