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QA/?C Report <br /> Blank Spike/Duplicate Blank Spike Summary <br /> Excelchem Environmental Labs, Roseville, CA <br /> Lab Report No.: 0118_098.CON Date:01/22/2002 Page: 17 <br /> QC Batch: 0119028020 <br /> Matrix: Water <br /> Lab Samp ID: W0102098-BS1 <br /> AcceptanceAnalysis Spike Level Spike Result / Recoveries <br /> Criteria <br /> Analyte Method LCS LCD LCS LCD Units LCS LCD RPD %Rec RPD <br /> Benzene SW8020F 12.5 12.5 13.875 12.5 UG/L 111 100 10 120-80 MSA 120MSP <br /> Ethylbenzene SW8020F 12.5 12.5 13.875 12.625 UG/L 111 101 9.4 120-80 MSA 120MSP <br /> Toluene SW8020F 12.5 12.5 13.625 12.25 UGIL 109 98.0 11 12080 MSA 120MSP <br /> Xylenes SW8020F 25. 25. 27.5 24.75 UGIL 110 99.0 11 12080 MSA 120MSP <br /> 1 <br /> I <br />