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QA/Q a of t <br /> Matrix Spike/Duplicate Matrix Spike Summary <br /> Sherwood Labs Corporation, Hilmar, CA <br /> Lab Report No H2O31301 Date 03/19/2002 Page 18 <br /> QC Batch BWA031102 Project Name Lbb Generated or Non COE Sample <br /> Matnx Water Project No l,bb Generated or Nan COE Sample <br /> Lab Samp ID BWA031102 Field ID Lbb Generated or Non COE Sample <br /> Basis Not Filtered Lab Ref iD H220302270 <br /> Analysis Spike Level Sample Spike Result %21:ecovenes Cntpena <br /> Analyte Method MS DMS Result MS DMS Units M I DMS RPD % Rec RPD <br /> Benzene SW802OF 372 372 ND 366 353 UWL 96 949 36 130-70 MEA 30MEP <br /> Ethylbenzene SW6020F 869 869 ND 859 815 UG/L 98 935 52 130-70 MEA 30MEP , <br /> Gasoline SW802OF 637 637 ND 664 654 UG/L 14 103 097 130-70 MEA 30MEP <br /> Meftrktert-butyl ether(MTBE) SW8020F 4364 4364 2x44 5805 6166 UG/L e7it i 7e 1 11 130-70 MEA 30MEP <br /> Toluene SW802OF 3159 3159 ND 2983 2885 UG/L 94 913 33 130-70 MEA 30MEP <br /> Xylenes SW802OF 4865 4865 ND 4908 4371 UGIL 1( 898 12 130-70 MEA 30MEP <br /> 4-Bromofkrorobenzene SW802OF 100 100 102 105 96 PERCENT 16 960 90 130-70 SMEA 30SMEP <br /> Chlorobenzene SW8020F 100 100 1 96 167 162 PERCENT 1(11 1621 30 130-70 SME4 30SMEP <br /> SC Matrix spike out of control,lab control sample within limits <br /> CR QC criteria not met,sample re-analyzed with similar results <br /> DB QA results outside of acceptance limits due to matrix effects <br /> EW'Surr recovery outside of acceptance limits,spike recav_accept <br /> IF <br /> k <br /> I <br />