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1534 Willow Pass Road,Pitlstturg,CA 94565-174H <br /> Foll Free Telephone:{877)252-9262 r rax:(M)252-9269 <br /> "When Ouality Counts" F-mail:maind:mccamphell.com <br /> Quality Control Report <br /> Client, Castle Analytical Laboratory WorkOrder: 1909595 <br /> Date Prepared: 9113119 EatchlD: 185236 <br /> Date Analyzed: 9113119-9114119 Extraction Method: SW3050B <br /> Instrument: ICP-MS3 Analytical Method: SW6020 <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 1909046/Premier Finishing Sample ID: MB/LCS/LCSD-185236 <br /> QC Summary Report for Metals <br /> Analyte LCS LCSD SPK LCS LCSD LCSILCSD RPB RPD <br /> Result Result Val %RRC %aREC Limits Limit <br /> Antimony 53 52 50 105 104 75-125 1.32 20 <br /> Arsenic 53 52 50 107 105 75-125 1.74 20 <br /> Barium 550 540 500 109 109 75-125 0 20 <br /> Beryllium 52 52 50 104 104 75-125 0 20 <br /> Cadmium 51 51 50 103 102 75-125 0.663 20 <br /> Chromium 51 50 50 102 100 75-125 1.91 20 <br /> t <br /> Cobalt 55 54 50 110 109 75-125 1.26 20 <br /> Copper 52 52 50 104 103 75-125 0.405 20 <br /> Lead 52 52 50 105 103 75-125 1.69 20 <br /> Mercury 1.3 1.3 1.25 108 104 75-125 3.09 20 <br /> Folybdenum 53 52 50 106 104 75-125 1.75 20 <br /> Nickel 52 52 50 104 103 75-125 0.905 20 <br /> Selenium 53 52 50 106 105 75-125 1.31 20 <br /> Silver 49 48 50 97 96 75-125 1.09 20 <br /> Thallium 54 53 50 107 106 75-125 1.31 20 <br /> Vanadium 52 50 50 103 101 75-125 2.36 20 <br /> Zinc 530 520 500 105 105 75.125 0 20 <br /> Surrogate Recovery <br /> Terbium 550 540 500 110 108 70-130 2.06 20 <br /> CA ELAP 1644•NELAP 40330RELAP <br /> Page 6 of 10 <br />