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Mr <br /> QAI C Report <br /> Blank Spike/Duplicate Blank Spike Summary <br /> Sherwood Labs Corporation, Hilmar, CA <br /> Lab Report No.: H2O82605 Date: 09/05/2002 Page: 11 <br /> QC Batch: BWA082602 <br /> Matrix: Water <br /> Lab Samp ID: BWA082602 <br /> Acceptance <br /> Analysis Spike Level Spike Result % Recoveries Criteria <br /> Analyte Method LCS LCD LCS LCD Units LCS LCD RPD %Rec RPD <br /> Benzene SWBO20F 3.72 NA 3.38 NA UGIL 90.3 NA NA 130-70 LSA NA <br /> Ethylbenzene SWB020F 8.69 NA 6.64 NA UGIT, 99.4 NA NA 130-70 LSA NA <br /> Gasoline SW802OF 637. NA 627. NA UGIL 98.4 NA NA 130-70 LSA NA <br /> Methyl-tert-butyl ether(MTBE) SW802OF 43.64 NA 54.70 NA UGIL 125 NA NA 130-70 LSA NA <br /> Toluene SW8020F 31.59 NA 31.10 NA UGIL 98.4 NA NA 130-70 LSA NA <br /> Xylenes SW8020F 48.65 NA 48.00 NA UGIL 98.7 NA NA 130-70 LSA NA <br /> 4-Bromoffuorobenzene SW8020F 100. NA 106. NA PERCENT 106 NA NA 130-70 SMEA NA <br /> Chlorobenzene SW8020F 100. NA 132. NA IPERCENT 1321 NA NA 130-70 SMEA NA <br /> EW:Surr.recovery outside of acceptance limits,spike recon.accept- <br />