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ASSOCIATED LABORATORIES <br /> QA REPORT FORM - METHOD 8260 / 62.4 / 524 2 <br /> tC Sample MS/MSD-Water Samples 130353-514 <br />?ysis Date June 5,2004 10 51 PM <br /> Apppies to LR 130269, 130294, 130353, 130365, 130366, 130361, 130371, 130382 <br /> teporting Units= ug/L <br /> atrtx Spike/Matrix Spike Duplicate <br /> Sample Spike Matrix Matrix %Rec %Ree QC Limits <br /> est Result Added Spike Spk Dup MS MSD RPD RPD %REC <br /> I,1-Dichloroethene ND 50 4686 4720 94 94 1 22 59-172 <br /> MTBE ND 50 4634 4521 93 90 2 24 62-137 <br /> enzene ND 50 5105 4945 102 99 3 24 62-137 <br /> Trichloroethene ND 50 4925 5053 99 101 3 21 66-142 <br /> oluene ND 50 5026 5282 101 106 5 21 59-139 <br /> hlorobenzene ND 50 5069 5121 101 102 1 21 60-133 <br /> JQC Sample LCS/LCSD <br /> ElAnalysis Date June 5,2004 7 59 AM <br /> Controlled Spike I Lab Controlled Spike Duplicate <br /> Sample Spike LCSLCS %Rec %Rec QC Limits <br /> Result Added Spike Spk Dup LCS LCS D RPD RPD %REC <br /> 171 chloroethene ND 50 5035 4879 101 98 3 22 59-172 <br /> MTBE ND 50 4565 4576 91 92 0 24 62-137 <br /> enzene ND 50 5340 5069 107 101 5 24 62-137 <br /> Tnchloroethene ND 50 5323 5320 106 106 0 21 66.142 <br /> Toluene ND 50 5394 53 87 108 108 0 21 59-139 <br /> lChlorobenzene ND 50 54 93 53 74 110 107 2 21 60-133 <br />'Method Blank=All ND <br /> SURROGATE ( QC Limits . 70-135 ) <br /> Compound MB 3 MB 4 MS MSD LCS LCSD <br /> DBFM 95 93 98 97 95 94 <br /> 1,2-DCA 110 106 99 97 98 97 <br /> Tol-d8 101 1 100 100 1 100 1 99 99 <br /> p-BFB 105 1 106 102 101 103 104 <br />' 6/9/2004 8260 msd-lcsd 0605- <br />