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�. <br /> F Submission #: 2000-03-0351 <br /> CHROMALA <br /> B� INC. <br /> j _ <br /> Environmental Services(SDB) <br /> To: Wright Environmental Services Inc <br /> g Test Method: 8020 <br /> 8015M <br /> Attn.: John Lynch Prep Method: 5030 <br /> Batch QC Report <br /> Gas/BTEX <br /> s <br /> Matrix Spike( MS/MSD) Water QC Batch#2000/03/24-01.03 <br /> Sample ID: B-4 Lab Sample ID:2000-03-0351-004 <br /> MS: 2000/03/24-01.03-004 Extracted:03/24/2000 20:43 Analyzed: 03/24/2000 20:43 Dilution: 1.0 <br /> a MSD: 2000/03/24-01.03-005 Extracted:03/24/2000 21:16 Analyzed: 03/24/200021:1-6 Dilution: 1.0 <br /> Compound Conc. [ug/L] Exp,Conc. [ug/L] IRecovery[%]RPD Ctrl.Limits[%] Flags <br /> i <br /> �Ms MSD Sample MS MSD MS I MSD [%] lRecoveryl RPD I MS I MSD <br /> Benzene 93.1 89.4 ND 100.0 100.0 93.1 89.4 4.1 65-135 20 <br /> Toluene 94.8 91.2 ND 100.0 100.0 94.8 91.2 3.9 65-135 20 <br /> Ethyl benzene 89.7 89.0 ND 100.0 100.0 89.7 89.0 0.8 65-135 20 <br /> Xylene(s) 263 266 ND 300 300 87.7 88.7 1.1 65-135 20 <br /> Surrogate(s) <br /> Trifluorotoluene 463 443 500 500 92.6 88.6 58-124 <br /> E . <br /> �l <br /> f <br /> I <br /> t <br /> E <br /> .i <br /> I <br /> 0 <br /> Y <br /> a <br /> F <br /> R <br /> a <br /> i <br /> 3 <br /> 1 <br /> F <br /> 3 <br /> "1 <br /> 4 ` 1220 Quarry Lane"Pleasanton,CA 94566-4756 <br /> Telephone:(925)484-1919Facsimile:(925)484-1096 <br /> Printed on:03/31/2000 14:58 Page 16 of 17 <br /> } <br />