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I� � i � � � I• i• r• � I• � � � r• [� � � � <br /> QA/ Meport <br /> Matrix S ike/Du icatatnx Spikeike Summary <br /> Sherwood Labs Corporation, Hilmar, CA <br /> Lab Report No.: H4090202 Date: 09/09/2004 Page: 7 <br /> QC Batch: BWA090204 Project Name: Lab Generated or Non COE Sample <br /> Matrix: Water Project No.: Lab Generated or Non COE Sample <br /> Lab Samp ID: BWA090204 Field ID: Lab Generated or Non COE Sample <br /> Basis: Not Filtered Lab Ref ID: PH4090057Q <br /> Analysis Spike Level o Acceptance <br /> SP Sample Spike Result k Recoveries Criteria <br /> Analyte Method MS DMS Result MS DMS Units MS DMS RPD % Rec RPD <br /> Benzene SW8020F 2.77 2.77 ND 2.54 2.67 UGIL 91.7 96.4 5.0 130-70 MEA 30MEP <br /> Ethylbenzene SW8020F 6.97 6.97 ND 7.16 6.76 UG/L 103 97.0 6,0 130-70 MEA 30MEP <br /> Gasoline SW8020F 508. 508. ND 521, 525. UG/L 103 103 0.00 130-70 MEA 30MEP <br /> Methyl-tart-butyl ether(MTBE) SW8020F 57.72 57.72 ND 51.78 52.31 UG/L 89.7 90.6 1.0 130-70 MEA 30MEP <br /> Toluene SW8020F 26.13 26.13 ND 27.24 25.66 UG/L 104 98.2 5.7 130-70 MEA 30MEP <br /> Xylenes SW80XF 39.92 38.92 ND 36.86 38.62 UG/L 94.7 99.2 4.6 130-70 MEA 30MEP <br /> 4-Bromofluorobenzene SW8020F j 100. 100. j 106. 94.5 107, PERCENT j 94.5 107 12 130-70 SMEA 30SMEP <br /> Chlorobenzene SW8020F 100. t00. 987 143. 138. PERCENT 1 1431 1381 3,6 1130-70 SMEA 30SMEP <br /> EW:Surr.rewvery outside of acceptance limits,spike recov.accept. <br />