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QA/Q*eport <br /> Matrix Spike/Duplicate Matrix Spike Summary <br /> Sherwood Labs Corporation, Hilmar, CA <br /> Lab Report No.: H2O40915 Date: 04/16/2002 Page: 36 <br /> QC Batch: BWA040902 Project Name: Lbb Generated or Non COE Sample <br /> Matrix: Water Project No.: Lbb Generated or Non COE Sample <br /> Lab Samp ID: BWA040902 Field 1D: Lbb Generated or Non COE Sample <br /> Basis: Not Filtered Lab Ret ID: R22040259Q <br /> i Acceptance <br /> Analysis Spike Level Sample Spike Result /Zeecoveries <br /> Criteria <br /> Analyte Method MS DMS Result MS DMS Units M� 1 DMS RPD % Rec RPD <br /> Benzene SW8020F 372 3.72 ND 3.20 3.16 UG/L 88 84.9 1.3 130-70 MEA 30MEP <br /> Ethylbenzene SW8020F 8.69 8.69 ND 8.31 8.25 UGIL 95 94.9 0.73 130-70 MEA 30MEP <br /> Gasoline 5W802OF 637. 637. ND 658. 668. UGIL 10 105 1.9 130-70 MEA 30MEP <br /> Methyl-cert-butyl ether(MTBE) SW8020F 44.0 44.0 2020. 2200. 2161. UGIT_ 40! ! 320! 24 130-70 MEA 30MEP <br /> Toluene SW8020F 31.59 31.59 ND 29.07 30,22 UGIL 97 95.7 3.9 130-70 MEA 30MEP <br /> Xylenes SW8020F 48.65 48.65 ND 48.23 47.54 UGIL 99 97.7 1.4 130-70 MEA 30MEP <br /> ! •;-Sromofluorobenzene SW8020F 100. 100, 90. 92, 99. PERCENT 92 99.0 7.3 130-70 SMSA 30SM;:P <br /> Chlorobenzene SW6020F 100. 100. 105. 138. 132. PERCENT 13# ! 132? 4.4 130-70 SMEA 30SMEP <br /> } <br /> BB:Sample>4x spike concentration <br /> j BC:Matrix spike out of control,iab control sample within limits <br /> F-W:Surr.recovery outside of acceptance limits,spike recov.accept. <br />