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1 'SOCIATED LABORATORIF- <br /> LCS REPORT FORM - METHOD 8260 / 624 -)24 2 <br /> QC Sample LCS/L.CSD-Water Samples <br /> sis Date 04/19/03 4 19 PM <br /> Applies to LR 109427, 109428, 109495, 109261, 109260 <br /> Reporting Units= ug/L <br /> Lab Controlled Spike/Lab Controlled Spike Duplicate <br /> Sample Spike LCS LCS %Rec 70%/.R QC Limits <br /> Test Result Added Spike Spk.Dup LCS RPD RPD %REC <br /> 1,1-Dichloroethene ND 50 4938 5695 99 114 14 22 59-172 <br /> MTBE ND 50 4947 5160 99 103 4 24 62-137 <br /> Benzene ND 50 4987 52 17 100 104 5 24 62-137 <br /> Tnchloroethene ND 50 4949 4950 99 99 0 21 66-142 <br /> Toluene ND 50 4941 5002 99 100 1 21 59-139 <br /> Chlorobenzene ND 50 49 65 4972 99 99 0 21 60-133 <br /> QC Sample LCS # 1 3 41 PM <br /> Analysis Date 04/18/03 <br /> LCS RECOVERY I METHOD BLANK <br /> Sample Spike LCS %Rec QC Limits <br /> Result Added Spike LCS %REC <br /> 1,1-Dichloroethene ND 50 5783 116 59-172 <br /> MTBE ND 50 4720 94 62-137 <br /> Benzene ND 50 5025 101 62-137 <br /> Tnchloroethene ND 50 4869 97 66-142 <br /> Toluene ND 50 4908 98 59-139 <br /> =ChI,,obe,,,ne ND 50 4860 97 60-133 <br /> Method Blank=All ND <br /> SURROGATE (QC Limits : 70-135 ) <br /> Compound LCS 1 MB 1 MB 2 LCS LCSD <br /> Dibromofluoromethane 98 115 95 99 98 <br /> 1,2-Dichloroethane-d4 92 100 100 88 87 <br /> Toluene-d8 100 102 104 101 101 <br /> p-Bromofluorobenzene 95 96 97 90 92 <br /> 0 <br /> 412212003 8260_Icsd-Ics_0419w7 <br />