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MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY <br />Login Number: D12932 <br />Account: CONCECOK - Contour Consulting Engineering <br />Project: GCC <br />QC Batch ID: MP1839 Methods: EPA 200.8 <br />Matrix Type: AQUEOUS Units: ug/l <br />Prep Date: 05/10/10 05/10/10 <br />D12932-3FA QC D12932-3FA Spikelot QC <br />Metal Original DUP RPD Limits Original MS MPICPALL % Rec Limits <br />Aluminum <br />Antimony 0.22 0.10 75.0 (a) 0-10 0.22 192 200 95.9 70-130 <br />Arsenic 0.65 0.0 200.0(a) 0-10 0.65 199 200 99.2 70-130 <br />Beryllium <br />Boron <br />Cadmium 0.0 0.0 NC 0-10 0.0 93.7 100 93.7 70-130 <br />Calcium <br />Chromium <br />Cobalt <br />Copper 4.1 3.9 5-.0 0-10 4.1 101 100 96.9 70-130 <br />Iron <br />Lead 0.25 0.20 22.2 (a) 0-10 0.25 192 200 95.9 70-130 <br />Magnesium <br />Manganese - <br />Molybdenum <br />Nickel <br />Phosphorus <br />Potassium <br />Selenium 1.0 1.1 9.5 0-10 1.0 189 200 94.0 70-130 <br />Silver 0.048 0.021 78.3 (a) 0-10 0.048 40.5 40 101.1 70-130 <br />Sodium <br />Strontium <br />Thallium 0.43 0.15 96.6 (a) 0-10 0.43 188 200 93.8 70-130 <br />Tin <br />Titanium <br />Uranium <br />Vanadium <br />Zinc <br />Associated samples MP1839: D12932-1FA, D12932-2FA, D12932- 3FA, D12932-4FA, D12932-SFA <br />Results < IDL are shown as zero for calculation purposes <br />(') Outside of QC limits <br />(N) Matrix Spike Rec. outside of QC limits <br />(anr) Analyte not requested <br />(a) RPD acceptable due to low duplicate and sample concentrations. <br />Page 1 <br />U7 <br />N <br />N <br />o® 40 of 50 <br />®AMUTEEST <br />D12932 " •`-