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CALTECHnvzronmetal Laboratories <br /> f <br /> QA/QC Report. . l <br /> Method: 6010B/7471/7199A , <br /> Matrix: . Soil <br /> Date Analyzed: 1214102 <br /> Units: A mg/Kg <br /> Perimeters Method [.CS LCSD Spike LCS % LCSD% Limits RPD <br /> Blank Added Rec. Rec. <br /> Antimony 2.1.9' 2.22 2 110 111 70-130 1 , <br /> Arsenic 2.27 . 2.29 2- 114 114 70-130 0 <br /> Barium 2.16 2.15 2 108 108 70-130 N�0 <br /> Beryllium 0.912 0.924 1 91 92 70-130 1 <br /> Cadmium - 1.14 1.16 1 114 116 70-130 2 <br /> Chromium 2:26 2.32 2 113 116 70-130 3 <br /> Cobalt 2.23 2.29 2 112 114 70-1,30 2 <br /> Copper 2.17 2.12 2 108 106 70-130. 2 <br /> Lead 216 2.22 2 1.08 111. 70430 •3 <br /> Mercury 0.175 0.172 0.2 88 86, 70-130 2 <br /> Molybdenum 2.28 2.33 2 114 116 70-130 2 <br /> Nickle 2.27 2.31 -2 114 117 70-130 . 3 <br /> Selenium 2.28 2.28 2 114 114 70-130 0 <br /> Silver '0.428 0.434 0.5 86 87 70-1,30 ] <br /> Thallium 2.28 2.32 2 114 116 70-130 2 <br /> Vanadium 2:24: 2.29 � 2 112 114 , 70=130,- 6 2' <br /> Zinc 1 r 2.22 2.25 1 2 111 ' 112- 70=130 . 1 1- <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> 5 OTAI IN JEDIC.AJ.P, -O'CIIjS'P'—)4.'f I-H:' SATi S.AAc, - "'N <br /> it " <br />