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Client Number BNCa1AR001 <br /> Faculty Number 2133 <br /> Area Representative Chuck Carmel <br /> Work Order Number C3.03-0007 <br /> . CC Check Sample Results <br /> i <br /> Date of Expected <br /> Analyte Source Analysis Value Units Recoverya, % <br /> Modified EPA 8020. <br /> Benzene Supelco 01/13/93 50 ug/L 113 <br /> Toluene Supelco 01/13/93 50 ug/L 112 <br /> Ethylbenzene Supelco 01/13/93 50 ug/L 107 <br /> Xylene, total Supelco 01 13 93 150 u L 110 <br /> QC Matrix Spike and Duplicate Spike Results <br /> Matrix Water <br /> Sample Date of Spike Recovery, Duplicate <br /> Analyte ID Analysis Amount Units % Recovery, % RPD&, % <br /> Modified EPA 8020: <br /> Benzene C3030072-01 03/10/93 20 ug/L 106 101 48 <br /> Toluene 03030072-01 03/10/93 20 ug/L 730 910 23 <br /> Ethylbenzene 03030072-01 03/10/93 20 ug/L 900 86.5 5 0 <br /> Xylene,total -3030072-01 03/10/93 60 u2LL 957 910 5 0 <br /> Sample and Sample Duplicate Results <br /> Matrix Water <br /> Sample <br /> Sample Date of Sample Duplicate <br /> Analyte ID Analysis Results Results Units RPD&,% <br /> Modified EPA 8020: <br /> Benzene C3030032-04 03/10/93 2 0 22 ug/L 95 <br /> Toluene C3030032-04 03/10/93 180 187 ug/L 3 8 <br /> Ethylbenzene C3030032-04 03/10/93 41 0 429 ug/L 45 <br /> Xylene, total C3030032-04 03/10/93 277 288 u L 39 <br /> a See attached table for acceptability limits <br /> GTEL Concord,CA MG-TEL - <br /> C303=7()C ENVIRONMGNTAL <br /> IIASORATORM INC. <br />