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CAL TECH Environmental Laboratories <br /> 6814 Rosecrans Avenue, Paramount, CA 90723-3146 <br /> Telephonc: (i62) 272-2700 Fax: (562) 272-2789 <br /> QA/QC Report <br /> Method: 60108/7471 <br /> Matrix: Soil <br /> Date Analyzed: 8/5/2014 <br /> Units: mg/kg <br /> Perimeters Method LCS LCSD Spike I LCS% LCSD % Limits RPD <br /> Blank Added Rec. Ree. <br /> Arsenic 0 0.978 0.956 1 1 98 96 70-130 2 <br /> Cadmium 0 0.968 0.996 1 1 97 100 70-130 3 <br /> Chromium 0 0.984 0.967 1 1 98 97 70-130 1 <br /> Copper 0 0.985 0.961 1 99 96 70-130 3 <br /> Lead 0 0.873 0.844 1 87 84 70-130 3 <br /> Mercury 0 1 0.137 0.132 0.15 91 88 70-130 3 <br /> Selenium 0 1 1.02 0.983 1 102 98 70-130 4 <br /> Silver 0 0.488 0.47 0.5 98 1 94 70-130 4 <br /> Zinc 1 0 1.06 1.04 1 106 1 104 70-130 2 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> TOTALLY DEDICATED TO CUSTOMER SATISFACTION <br />