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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: 8/24-25/2012 Matrix: Solid/Soil/Liquid <br /> Machine: C Unit: mglKa {PPM( <br /> Matrix Spike (MS)/Matrix Spike Duplicate (MSD) <br /> Spiked Sample Lab I.D.: 120823-67 MS/MSD <br /> Analyte S.R. s k conc MS %RC MSD I %RC I %RPD ACP %RC ACP RPD_ <br /> Benzene 0 0.050 0.051 101% 0.049 97% 4% 75-125 0-20 <br /> Chlorobenzene 0 0.050 0.056 113% 0.054 108% 5% 75-125 0-20 <br /> 1,1-Dichloroethene 0 0.050 0.057 114% 0.056 112% 2% 75-125 0-20 <br /> Toluene 0 0.050 0.059 119% 0.060 119% 0% 75-125 0-20 <br /> Trichloroethene (TCE) 0 0.050 0.060 119% 0.058 116% 3% 75-125 0-20 <br /> Lab Control Spike (LCS): <br /> Analyte s k conc I LCS %RC ACP %RC <br /> Benzene 0.050 0.047 93% 75-125 <br /> Chlorobenzene 0.050 0.057 115% 75-125 <br /> Chloroform 0.050 0.055 110% 75-125 <br /> 1,1-Dichlorothene 0.050 0.055 110% 75-125 <br /> Eth (benzene 0.050 0.058 117% 75-125 <br /> o-X lene 0.050 0.060 120% 75-125 <br /> m,p-X lene 0.100_ 0.121 121% 75-125 <br /> Toluene 0.050 0.058 116% 75-125 <br /> 1,1,1-Trichloroethane 0.050 0.052 103% 75-125 <br /> Trichloroethene (TCE) 0.050 0.057 114% 75-125- <br /> Surrogate Recovery s k conc I ACP %RCI MB %RC I %RC f %RC I %RC %RC %RC %RC <br /> Sample I.D. M-BLK 120823-67 1120823-691120823-70 120823-72 #20823-75 120823-79 <br /> Dibromofluoromethane 5D}O 70-130 104% 76% 92% 83% 101% 999/10 92% <br /> Toluene-d8 50.0 70-130 108% 106% 105% 105% 107% 107% 107% <br /> 4-Bromofluorobenzene 50.0 70-130 104% 97% 103% 94% 101% 102% 103% <br /> Surrogate Recovery s k conc i ACP %RC %RC I %RC %RC %RC %RC %RC %RC <br /> Sample I.D. 120823-8 120823-83 120823-85 120823-86 120823-90 120823-91 120823-92 <br /> Dibromofluoromethane 50.0 74-130 1 83% 1 101% 1 95°lL 107% 105% 1184 <br /> Toluene-d8 50.0 70-130 104% 107% 106% 109% 196°16 113°l0 114°l0 <br /> 4-Bromofluorobenzene 50.0 70-130 97% 101% 100% 102% 99% 102% 99% <br /> Surro ate Recovery s k conc ACP %RC %RC I %RC %RC %RC %RC %RC %RC <br /> Sample I.D. 1 1 1120823-981120823-1001120823-1051120823-1061120823-1071120823-1091120823-111 <br /> Dibromofluoromethane 50.0 70-130 107% 109% 109% 103% 109% 11196 106% <br /> Toluene-d8 50.0 70-130 109% 109% 111% 107% 110% 110% 109% <br /> 4-Bromofluorobenzene 50.0 70-130 102% 1 102% 1 100% 95°x6 91% 98% 96% <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 /> r' <br /> Analyzed/Reviewed By: <br /> Final Reviewer: <br />