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1534 willow Pass Road,Pittsburg,CA 94565-1701 <br /> McCampbell Analytical. Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> ht��//www.mccam bell.com/E-mail:main@nccam bell.comr '/en Qualty Counts" <br /> Quality Control Report <br /> Client: Fremouw Environmental Services,Inc. WorkOrder: 1904315 <br /> Date Prepared: 4/4/19 BatchID: 175792 <br /> Date Analyzed: 4/5/19 Extraction Method: SW3050B <br /> Instrument: ICP-MS 1,ICP-MS3 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 81993;B&C Painting Solutions Sample ID: MB/LCS/LCSD-175792 <br /> QC Summary Report for Metals <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Antimony 53 58 50 106 115 75-125 8.79 20 <br /> Arsenic 46 50 50 93 100 75-125 7.05 20 <br /> Barium 480 520 500 96 104 75-125 7.84 20 <br /> Beryllium 49 52 50 97 105 75-125 7.55 20 <br /> Cadmium 47 50 50 94 101 75-125 7.08 20 <br /> Chromium 48 52 50 95 104 75-125 8.70 20 <br /> Cobalt 47 51 50 95 102 75-125 7.24 20 <br /> Copper 47 51 50 94 102 75-125 8.29 20 <br /> Lead 47 50 50 93 101 75-125 7.72 20 <br /> Mercury 1.3 1.4 1.25 100 111 75-125 9.79 20 <br /> Molybdenum 49 53 50 98 106 75-125 7.75 20 <br /> Nickel 47 51 50 95 102 75-125 7.48 20 <br /> Selenium 48 52 50 95 104 75-125 8.52 20 <br /> Silver 49 53 50 98 106 75-125 8.03 20 <br /> Thallium 44 48 50 88 95 75-125 7.59 20 <br /> Vanadium 47 52 50 94 103 75-125 9.11 20 <br /> Zinc 470 510 500 94 102 75-125 7.54 20 <br /> Surrogate Recovery <br /> Terbium 490 530 500 99 107 70-130 7.87 20 <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 6 of 10 <br />