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fw`uanterra <br /> Enwrnnmenta! <br /> services <br /> LABORATORY CONTROL SAMPLE REPORT <br /> Volatile Organics by GC/MS <br />' Project: 094903 <br />' Category. 8240-SL Volatile Organics <br /> Testcode: 8260-TCL-L-S Method: 8260 <br /> Matrix- SOIL Concentration Units: u /k <br /> QC Lot: 10 SEP 97-21 QC Run: 10 SEP 97-2A <br />' Analyzed Date: 10 SEP 97 Time: 13:54 <br /> ---Concentration----- Accuracy(%) <br /> Analyte Spiked Measured LCS Limits <br /> 1,I-Dichloroethene 50.0 54.9 110 68-120 <br /> Trichloroethene 50.0 42.5 85 75-104 <br /> Benzene 50.0 45.2 90 78-114 <br />' Toluene 50.0 46.7 93 80-114 <br /> Chlorobenzene 50.0 45.7 91 78-114 <br />' -----Concentration----- Accuracy(%) <br /> Surrogate Spiked Measured LCS Limits <br /> 1,2-Dichloroethane-d4 50 46 91 75-118 <br /> Toluene-d8 50 48 96 76-120 <br /> 4-Bromofluorobenzene 50 48 96 77-120 <br /> 1• <br /> 1 <br /> 1 <br /> 1 <br />' Calculations are performed before rounding to avoid round-off errors in calculated results. <br /> I <br /> I <br />