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ASSOCIATED LA150RATORIES <br /> QA Rt.,?ORT FORM - METHOD 8260 / 624 , 524.2 <br /> QC Sample MS /MSD-Water Samples 151038-063 <br /> Osis Date June 2,2005 9 48 PM <br /> Applies to LR 151172, 151198, 15103 8 <br /> Reporting Units= ug/L <br /> Matrix Spike/Matrix Spike Duplicate <br /> Sample Spike Matrix Matrix %Rec %Rec QC Limits <br /> Test = Result Added Spike Spk Dup MS MSD RPD RPD %REC <br /> 1,1-Dichloroethene ND 500 5089 5265 102 105 3 22 59-172 <br /> MTBE ND 500 5484 53 19 110 106 3 24 62-137 <br /> Benzene ND Soo 5256 5090 105 102 3 24 62-137 <br /> "Trichloroethene ND 500 5209 5060 104 101 3 21 66-142 <br /> Toluene ND Soo 5076 5142 102 103 1 21 59-139 <br /> Chlorobenzene ND 500 5074 5066 101 1 101 0 21 60-133 <br /> QC Sample LCS/LCSD 11 22 PM <br /> Analysis Date June 2,2005 <br /> L Controlled Spike/Lab Controlled Spike Duplicate <br /> Sample Spike LCS LCS %Ree %Rec QC Limits <br /> Test Result Added Spike Spk Dup LCS LCS D RPD RPD °/aREC <br /> 1,1-Dichloroethene ND 500 5219 53 15 104 106 2 22 59-172 <br /> MTBE ND 500 5827 4831 117 97 19 24 62-137 <br /> Benzene ND 500 5293 4909 106 98 8 24 1 62-137 <br /> Trichloroethene ND 500 5241 5036 105 101 4 21 66-142 <br /> Toluene ND 500 5181 4870 104 97 6 21 59-139 <br /> Chlorobenzene ND 500 5009 4881 1 100 98 3 21 60-133 <br /> Method Blank=All ND <br /> *MS/MSD is outside QC limits However LCS recoveries conformed <br /> SURROGATE (QC Limits : 70-135 ) <br /> Compound MB 1 MB 2 MS MSD LCS LCSD <br /> DBFM 87 87 94 93 92 95 <br /> 1,2-DCA 106 I05 107 104 103 99 <br /> Tol-d8 99 100 102 97 103 100 <br /> p-BFB 105 104 104 103 105 103 <br /> 6/1012005 8260 MSD-LCSD 0602 W1 xls <br />