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CALTECH Environmental Laboratories <br /> 0 681.1 Roo ,ecn<w,, ',,L mw. 1'ara1110LInt_ ('A 907'3-,146 <br /> fclephk)T e: 27'-2700 1 6'] '7-'-?78Q <br /> QA/QC Report <br /> Method: 200.7 <br /> Matrix: Water <br /> Date Analyzed: 611104 <br /> Units: ug/L <br /> Perimeters Method LCS LCSD Spike LCS% LCSD % Limits HPD <br /> Blank Added Rec. Rec. <br /> Antimony 0 2 70-130 <br /> Arsenic 0 2 70-130 <br /> Barium 0 2 70-130 <br /> Beryllium 0 1 70-130 <br /> Cadmium 0 0.91 0.923 1 91 92 70-130 1 <br /> Chromium 0 1.81 1.87 2 91 94 70-130 3 <br /> Cobalt 0 2 70-130 <br /> Copper 0 1.67 1.7 2 84 85 70-130 1 <br /> Lead 0 1.8 1.84 2 90 92 70-130 2 <br /> Mercury 0 0.25 70-130 <br /> Mol bdenum 0 2 70-130 <br /> Nickle 0 1.83 1.88 2 92 94 70-130 2 <br /> Selenium 0 2 70-130 <br /> _ Silver 0 0.5 70-130 <br /> Thallium 0 2 70-130 <br /> Vanadium 0 2 70-130 <br /> Zinc 0 1.77 1.83 2 89 92 70-130 3 <br /> Chromium VI 0 1 0.5 1 70-130 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percen" Difference of LCS and LCSD <br /> I(: ALLY I)la)1CAI 1_I) l O ClI R S"VIISFACTION <br />