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y 1534 Willow Pass Road,Pittsburg,CA 94505-1701 <br /> McCampbell Analytical, Inc. Toll Free Telephone:(877)252-9262/Fa< (921)152-9269 <br /> "When Quality Counts" h"://www.mccampbeH.com I E-mail:main rJ mcampbell.com <br /> Quality Control Report '' <br /> Client: Castle Analytical Laboratory WorkOrder: 1711ENVIRONMENTAL HEALTH <br /> Date Prepared: 1/19/17 BatchID: 132826 <br /> p DEPARTMENT <br /> Date Analyzed: 1/19/17- 1/20/17 Extraction Method: SW3050B <br /> Instrument: ICP-MS2 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 1701037;Farmington Fresh Sample ID: MB/LCS-132826 <br /> 1701729-00IAMSIMSD <br /> QC Summary Report for Metals <br /> Analyte MS MSD SPK SPKRef MS MSD MSIMSD RPD RPD <br /> Result Result Val Val %REC %REC Limits Limit <br /> Antimony 39.1 39.1 50 ND 77 77 75-125 0 20 <br /> Arsenic 54.8 55.0 50 6.099 97 98 75-125 0.383 20 <br /> Barium 646 661 500 144.5 100 103 75-125 2.31 20 <br /> Beryllium 47.3 48.1 50 ND 94 95 75-125 1.61 20 <br /> Cadmium 47.4 48.4 50 ND 95 97 75-125 2.11 20 <br /> Chromium 100 101 50 52.44 96 97 75-125 0.596 20 <br /> Cobalt 58.0 59.3 50 10.79 94 97 75-125 2.27 20 <br /> Copper 69.7 70.3 50 22.75 94 95 75-125 0.814 20 <br /> Lead 65.0 65.4 50 14.91 100 101 75-125 0.629 20 <br /> Mercury 1.10 1.02 1.25 ND 85 78 75-125 7.56 20 <br /> Molybdenum 38.3 38.6 50 ND 76 77 75-125 0.831 20 <br /> Nickel 110 112 50 64.08 91 95 75-125 2.08 20 <br /> Selenium 48.4 49.2 50 ND 96 98 75-125 1.62 20 <br /> Silver 49.2 50.6 50 ND 98 101 75-125 2.69 20 <br /> Thallium 43.5 44.8 50 ND 87 90 75-125 2.95 20 <br /> Vanadium 81.4 81.1 50 30.51 102 101 75-125 0.369 20 <br /> Zinc 547 556 500 61.65 97 99 75-125 1.51 20 <br /> Surrogate Recovery <br /> Terbium 484 492 500 97 98 70-130 1.56 20 <br /> Analyte DLT DLTRef %D %D <br /> Result Val Limit <br /> Antimony ND<2.5 ND - <br /> Arsenic 5.17 6.099 15.2 - <br /> Barium 140 144.5 3.11 20 <br /> Beryllium ND<2.5 ND - - <br /> Cadmium ND<1.2 ND - - <br /> Chromium 50.0 52.44 4.65 20 <br /> Cobalt 11.0 10.79 1.95 - <br /> Copper 21.2 22.75 6.81 20 <br /> Lead 14.8 14.91 0.738 20 <br /> Mercury ND<0.25 ND - - <br /> Molybdenum ND<2.5 ND - - <br /> Nickel 60.6 64.08 5.43 20 <br /> Selenium ND<2.5 ND - - <br /> (Cont.) <br /> CDPH FLAP 1644•NELAP 4033ORELAP `' QA/QC Officer <br /> Page 5 of 10 <br />