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',I l <br /> CALTECH Environmental Laboratories <br /> c <br /> 6814 Rosecrans A�,enue, ParanwLint. CA 90723-3146 <br /> Telephone: (562) 272-2700 . Fax: (562) 272-2789 <br /> QA/QC Report - <br /> Method: 6010B/7471/7199A <br /> Matrix: Soil <br /> Date Analyzed: 12/4/02: <br /> Units: tng/Kg <br /> Perimeters Method i.CS' LCSD Spike LCS /o LCSD% Limits RPD <br /> i <br /> Blank _ Added Rec. Rec. <br /> Antimony 2.191, 2.22 2 110 111 70.130 1 i <br /> Arsenic 2.27' _ 2.29 2 114 114 70-130 <br /> Barium 2.16; 2.15 _ 2 108 108 70-130 _ 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 1.13 116 70-130 3 <br /> Cobalt 2.23, 2.29 2 112 114 70-130 2 <br /> Copper —2.1'7:;,-- __2.12 _2 108 106 70-130 2 <br /> Lead 2.16 2.22 2 108 111 70-130 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,E 2.31 2 114 117 70-130 3 <br /> Selenium 2.28!1 2.28 2 114 114 70-130 0 <br /> Silver 0.428 0.434 0.5 86 87 70-130 1 <br /> Thallium 2.28k 2.32 2 114 116 70-130 2 <br /> Vanadium 2.24.1 2,29 2 11.2 114 70-130 _ 2 <br /> Zinc 2.22.'. 1 2.25 . 1 2 111 1 112 70-130 1 <br /> LCS: Laboratory Control Standard :, <br /> LCSD: Laboratory Control Standard Duplicate r <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> 5 <br /> I <br /> 4 <br /> s <br /> TOTALLY' DEDWNFED -1-0 CUSTOMER SATISFACTION <br /> F <br />