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QA/QC Report <br /> Blank Spike/Duplicate Blank Spike Summary <br /> Sherwood Labs Corporation, Hilmar, CA <br /> Lab Report No.: H2O91802 Date: 09/25/2002 Page: 19 <br /> QC Batch: BWBO92102 <br /> Matrix: Water <br /> Lab Samp ID: BWBO92102 <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 SW8020F 3.72 NA 2.89 NA UGIL 77.7 NA NA 13D-70 LSA NA <br /> Ethylbenzene SW8020F 8.69 NA 7.14 NA UGIL 82.2 NA NA 130-70 LSA NA <br /> Gasoline SW802OF 637. NA 591. NA UGIL 92.8 NA NA 130-70 LSA NA <br /> Methyl-tert-butyl ether(MTBE) SW802OF 43.64 NA 50.68 NA UGIL 116 NA NA 130-70 LSA NA <br /> Toluene SW802OF 31.59 NA 27.2 NA UG1L 86.1 NA NA 130-70 LSA NA <br /> Xylenes SW802OF 48.65 NA 43.15 NA UGIL 88.7 NA NA 130-70 LSA NA <br /> 4-Bromofluorobenzene SW802OF 100, NA 103. NA PERCENT 103 NA NA 130-70 SMEA NA <br /> Chlorobenzene SW8020F 100. NA 159. NA PERCENT 159! NA NA 130-70 SMEA NA <br /> EW:Surr.recovery outside of acceptance limits,spike recov.accept. <br /> i <br /> i <br />