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— '-—•.- .. .. .. ... .� ...... .i.. .. a i .. ..L,�r e�-.a.a ax,.w W w.si.w w.. .� �+4rwL�9a...�l�.i►N. <br /> I ASSOCIATED LABORATORIES <br /> QA REPORT FORM <br /> QC Sample LR 91589-956 <br /> Matrix WATER <br />' Prep Date 04/23/02 <br /> Analysis Date 4/23/02-4/24/02 <br /> LAB 1D4's in Batch LR 916i8 91625 91734 <br /> MATRIX SPIKE I MATRIX SPIKE DUPLICATE RESULT <br /> REPORTING UNITS= ug/L <br />' Sample Spike Matrix Matrix %Rec %Rec <br /> Test Method Result Added Spike Spk.Dup MS MSD RPD <br /> Benzene 8021 ND 10 8 8 87 88 87 1 <br /> Toluene 8021 ND 10 91 91 91 91 0 <br /> Ethylbenzene 8021 ND 10 11 1 ll 1 111 111 0 <br />' Xylenes 8021 ND 20 20 2 203 101 102 0 <br /> ND=Not Detected <br />' RPD-Relative Percent Difference of Matrar Spike and Matrix Spike Dup 19,AEC LIM17S = 70-130 <br /> 1',d1EC MS&MSD=Percent Recovery of Matrix Spike&Matrix Spike Duplicate JRPD LIMITS 30 <br /> PREPARATION BLANK/LAB CONTROL SAMPLE RESULTS <br />' PREP BLK LCS <br /> Test Method Value Result True %Rec L Limit H Limit <br /> Benzene 8021 ND 87 10 8-7 80% 120% <br /> Toluene 8021 ND 8 9 10 89 80% 120% <br /> Ethylbenzene 8021 ND 109 10 109 80% 120% <br /> Xylenes 8021 ND 198 20 99 80% 120% <br /> LCS =.Cab Control Sample Result <br /> TRUE=True Value of LCS <br /> L LIMIT/19 LIMIT-LCS Control Ltmirs <br /> SURROGATE RECOVERY <br />' Sample No AAA-TFT <br /> QC Limit 70-130 <br />' QA Sample 100 <br /> MS 108 <br /> 1 MSD 107 <br /> Method Blank 99 <br />' LCS 105 <br /> AAA TFT-a s a Trrfiuororoluene <br />' 4126/2002 8021_btex_0423w <br />