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' ASSOCIATED LABORATORIES <br /> QA REPORT FORM -METHOD 8260/624 1 524.2 <br />'C Sample MS/MSD-Water Samples 147767-396 <br /> Aos Date April 1, 2005 3 52 AM <br /> 1p plies to LR 147715, 147767, 147851, 147849, 147850, 147852, 147931 <br /> porting Units= ug/L <br /> Matrix Spike/Matrix Spike Duplicate <br /> Sample Spike Matrix Matrix %Rec %Ree QC LmIts <br /> Ist Result Added Spike Spk Dup MS MSD RPD RPD %REC <br /> -D�chloroetheae* ND 500 3933 2911 79 58 30 22 59-172 <br /> BE 1803 500 6469 6670 93 97 3 24 62-137 <br /> janzene, ND 500 4748 5016 95 100 5 24 62-137 <br /> chlorcethene ND 500 4609 4946 92 99 7 21 66-142 <br /> luene ND 500 4757 4948 95 99 4 21 59-139 <br /> ombenzene ND 500 - - L -4748 5011 95 100 5 21 60-133 <br /> MCSample LCS/LCSD 7 58 PM <br /> alysis Date March 31,2005 <br /> b Controlled Spike/Lab Controlled Spike Duplicate <br /> oSample Spike LCS LCS %Rec %Rec QC Limits <br /> Test Result Added Spike Spk Dup LCS LCS D RPD RPD %REC <br /> -Dichloroethene ND 50 0 4319 4420 86 88 2 22 59-172 <br /> MTBE ND 500 4986 4670 100 93 7 24 62-137 <br /> nzene ND 500 4930 4908 99 98 0 24 62-137 <br /> Trichloroethene ND 500 4745 4778 95 96 1 21 66-142 <br /> luene ND 500 5147 49 95 103 100 3 21 59-139 <br /> Chlorobenzene ND 1 500 4989 4791 100 96 4 21 60-133 <br /> Method Blank=All ND <br /> 14S/MSD or RPD is outside QC limits However LCSILCSD recoveries conformed <br /> SURROGATE (QC Limits : 70-135) <br /> Compound MB 1 MB 2 MS MSD LCS LCSD <br /> DBFM 97 96 99 96 99 98 <br /> 1,2-DCA 110 105 106 111 102 105 <br /> Tol-d8 106 98 100 101 103 98 <br /> p-BFB 110 105 J 101 101 98 103 <br /> 41612005 3260 MSD-LCSD 0401 W <br />