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' ASSOCIATED LABORATORIES <br /> QA REPORT FORM-METHOD 8260 / 624 1 524 2 <br /> Sample MS/MSD-Water Samples 147278-421 <br /> A.140s Date March 26,2005 10 00 PM <br /> plies to LR 147644, 147146, 147264, 147301, 147266, 147144, 14-7252, 147270, 147227, 146957, <br /> LR 147208, 147278 <br />[porting Units= ug/L <br /> Matrix Spike/Matrix Spike Duplicate <br /> Sample Spike Matrix Matrix %Rec %Ree QC Lumts <br /> Test Result Added Spike Spk Dup. MS MSD RPD RPD %REC <br /> -DmWoroethene ND 50 4348 4432 87 89 2 22 59-172 <br /> MTBE ND 50 3930 4059 79 81 3 24 62-137 <br /> nzene ND 50 4648 4918 93 98 6 24 62-137 <br /> rnchloroethene ND 50 4018 4197 80 84 4 21 66-142 <br /> luene ND 50 5016 5057 100 101 1 21 59-139 <br />�blorobenzene ND 50 4820 4767 96 95 1 21 60-133 <br /> Sample LCS/LCSD 4 32 AM <br /> alysis Date March 26,2005 <br /> ntrolled Spike/Lab Controlled Spike Duplicate <br /> Sample Spike LC5LCS %Rec %Rec QC Limits <br /> st Result Added Spike Spk Dup LCS LCS D RPD RPD %REC <br /> - wWoroethene ND 50 4391 4197 88 84 5 22 59-172 <br /> TSE ND 50 4666 4338 93 87 7 24 62-137 <br /> nzene ND 50 5026 4676 101 94 7 24 62-137 <br /> chloroethene ND 50 4116 4237 82 85 3 21 66-142 <br /> luene ND 50 4828 5062 97 101 5 21 59-139 <br /> orobenzene ND 50 4707 4982 94 100 6 21 60-133 <br /> thod Blank=All ND <br />' SURROGATE ( QC Limits • 70-135 ) <br /> Compound MB 2 MB 3 MS MSD LCS LCSD <br /> DBFM 91 90 85 87 95 88 <br /> 1,2-DCA 103 100 88 93 103 98 <br /> Tol-d8 99 98 100 101 98 98 <br /> p-BFB 106 107 101 105 104 105 <br /> 3130/2005 8260 MSD-LCSD 0326 W <br />