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ASSOCIATED LABORATORIES <br /> F <br /> QA 1 QC EPA Methods 8260, 624, & 524.2 - GCMS # 3 <br /> `Sample ID:` MS/MSD-water sample 155118'-960 <br /> • <br /> Date Analyzed August 18, 2005 12 20am <br /> Sample Matrix water <br /> Units pg/L <br /> Applies to LR- 155173, 155129, 155128, 155118, 155245, 155225, 155248, 155243, <br /> 155122, 155244, 155186, 155286, 155187 <br /> Sample , Spike Spike' Dup Spike Dup - QC Lirnnts- <br /> Com <br /> Compound Conc - Added Res Ras % Rec % Rec RPD RPD % Rec <br /> 1,1-Dichloroethene 000 500 5347 5602 107 112 5 22 59 - 172 <br /> MTBE 000 500 5558 5406 111 108 3 24 62 - 137 <br /> Benzene 000 500 5305 5383 106 108 1 24 62 - 137 <br /> Trichloroethene 000 500 4653 4731 93 95 2 21 66 - 142 <br /> Toluene 000 500 5203 1 507,51 104 101 2 21 59 - 139 <br /> Chlorobenzene 000 ___ _500 5269 52 42 105 105 1 21 60 - 133 <br /> Sample ID LCS - water <br /> Date Analyzed August 17, 2005 , - - 3:22pm - - <br /> Sample Matrix water • <br /> Units pg/L <br /> h <br /> Il <br /> n Semple Spike Spike Spike QC Limits <br /> _- = Compound -Conal -Added Res -%Rec- - -RPD- -WRae <br /> 1,17131chloroethene-.._., ....-.0 00_._ __50 0- _52 7-1- --105- _..-.22— _59-172 <br /> MTBE 000 500 51 10 102 24 62 - 137 <br /> Benzene _ 000 - �50 0 f 52 77- 106 - - -24 - 62 - 137 <br /> Trichloroethene 0 00 50 0 51 89 104 21 66 - 142 <br /> Toluene 0 00 50 0 55 77 112 21 _ 59 - 139 <br /> Chlorobenzene 0 00 50 0 55 38 11 1 21 60 - 133 <br /> Surrogate Recovery GCMS # 3 <br /> Limits <br /> Cound MB1 MB2 MS MSD LCS % Rec <br /> om <br /> Dibromofluoromethane 97 107 104 103 98 70-135 <br /> 1,2-13ichloroethane-d4 104 116 101 97 94 70-135 <br /> Toluene-d8 105 101 102 100 104 70-135 <br /> p-Bromofluorobenzene 96 104 96 99 95 70-135 <br /> 8260LB_08 <br />