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f <br /> Enviro-Chem, Inc. <br /> 1214 E. Lexington Avenue, Pomona, CA 91766 Tel (909)590-5905 Fax (909)590-5907 <br /> 8260B QA/QC Report <br /> Date Analyzed: 812_712.012 Matrix: Water Litluid <br /> -Machine: B Unit: lialL.JPPQJ <br /> Matrix Spike (MS)/Matrix Spike Duplicate (MSD) <br /> Spiked Sample Lab I.D.: 120824-14 MS/MSD <br /> Analyte S.R. spk conc MS %RC MSD %RC %RPD ACP %RC ACP RPD <br /> Benzene 0 25.0 21.2 85% 22.1 88% 4% 75-125 0-20 <br /> Chlorobenzene 0 25.0 25.9 104% 26.8 107% 4% 75-125 0-20 <br /> 1,1-Dichloroethene 0 25.0 23.0 92% 27.6 110% 18% 75-125 0-20 <br /> Toluene 0 25.0 24.7 99% 25.3 101% 2% 75-125 0-20 <br /> Trichloroethene (TCE) 0 25.0 21.6 87% 22.4 89% 3% 75-125 0-20 <br /> Lab Control Spike (LCS): <br /> Analyte spk conc LCS I '%RC JACP %RC <br /> Benzene 25.0 19.2 77% 75-125 <br /> Chlorobenze_ne 25.0 27.6 110% 75-125 <br /> Chloroform 25.0 22.3 89% 75-125 <br /> 1,1-Dichloroethene 25.0 26.1 104% 75-125 <br /> Eth (benzene 25.0 29.3 117% 75-125 <br /> o-Xylene 25.0 31.0 124% 75-125 <br /> m,p-Xylene _ 50.0 62.0 124% 75-125 <br /> Toluene 25.0 26.2 105% 75-125 <br /> 1,1,1-Trichloroethane 25.0 21.0 84% 75-125 <br /> Trichloroethene (TCE) 25.0 22.8 91% 75-125 <br /> Surrogate Recovery I spk conc jAcP %RCI MB %RC I %RC I %RC %RC I %RC %RC %RC <br /> Sample I.D. M-BLK 1120824-141120823-60 120823-1321120823-1331120823-1341120823-135 <br /> Dibromofluoromethane 25.0 70-130 96% 97% 97% .-.101% 89% 97% 96% <br /> Toluene-d8 25.0 70-130 103% 104% 103% 103% 101% 102% 102% <br /> 4-Bromofluorobenzene 25.0 70-130 96% 96% 97% 98% 94% 98% 102% <br /> Surrogate Recovery spk conc 1ACP %RC %RC I %RC I %RC I %RC %RC I %RC %RC <br /> Sample I.D. 1 1120823-1361120823-137 120823-138 120823-139 20824-3 120827-29 <br /> Dibromofluoromethane 25.0 70-130 95% 96% 95% 94% 102% 105% <br /> Toluene-d8 25.0 70-130 102% 102% 102% 103% 103% 103% <br /> 4-Bromofluorobenzene 25.0 70-130 96% 97% 97% 97% 97% 104% <br /> Surro ate Recovery spk conc ACP %RC %RC I %RC I °IARC %RC I %RC I %RC %RC <br /> Sample I.D. <br /> Dibromofluoromethane 25.0 70-130 <br /> Toluene-d8 25.0 70-130 <br /> 4-Bromofluorobenzene 25.0 70-130 <br /> *= Surrogate fail due to matrix interference; LCS, MS, MSD are in control therefore the analysis is in control. <br /> S.R. = Sample Results %RC =Percent Recovery <br /> spk conc = Spike Concentration ACP %RC=Accepted Percent Recovery <br /> MS = Matrix Spike MSD = Matrix Spike Duplicate <br /> Analyzed/Reviewed By: <br /> Final Reviewer: <br />