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1214 E. Lexington Avenue, <br />iate Analyzed: <br />Machine: <br />Matrix Spike (MS)/Matrix <br />Spiked Sample Lab I.D.: <br />Pomona, <br />7/3/2012 <br />Enviro-Chem, Inc. <br />CA 91766 Tel (909)590-5905 Fax (909)590-5907 <br />8260B QA/QC Report <br />Matrix: <br />Unit: <br />(MSD) <br />120703-LCS1/2 <br />Solid/SoiliLiquid <br />C <br />Spike Duplicate <br />mq/Kg (PPM) <br />Analyte S.R spk conc MS %RC MSD %RC %RPD ACP %RC ACP RPD <br />Benzene 0 0.050 0.054 108% 0.052 103% 5% 75-125 0-20 <br />Chlorobenzene 0 0.050 0.051 102% 0.049 99% 4% 75-125 0-20 <br />1,1-Dichloroethene 0 0.050 0.051 102% 0.050 100% 2% 75-125 0-20 <br />Toluene 0 0.050 0.056 113% 0.052 104% ' 9% 75-125 0-20 <br />Trichloroethene (TCE) 0 0.050 0.054 107% 0.052 104% 3% 75-125 0-20 <br />Lab Control Spike (LCS): <br />Analyte spk conc LCS %RC ACP %RC <br />Benzene 0.050 0.049 98% 75-125 <br />Chlorobenzene 0.050 0.043 87% 75-125 <br />Chloroform 0.050 0.045 90% 75-125 <br />1,1-Dichlorothene 0.050 0.042 84% 75-125 <br />Ethylbenzene 0.050 0.042 85% 75-125 <br />o-Xylene 0.050 0.045 89% 75-125 <br />m,p-Xylene 0.100 0.089 89% 75-125 <br />Toluene 0.050 0.045 90% 75-125 <br />1,1,1-Trichloroethane 0.050 0.050 100% 75-125 <br />-rrichloroethene (TCE) 0.050 0.041 82% 75-125 <br />Surrogate Recovery spk conc ACP %RC MB %RC %RC %RC %RC %RC L %RC 1.___ %RC <br />Sample I.D. I I M-BLK 120702-41 120702-43J12070236 120702-38 120702-40120702-42 <br />Dibromofluoromethane 50.0 70-130 70% 72% 69*% I 73% 70% 75% 53*% <br />Toluene-d8 50.0 70-130 76% 82% 78% j 72% 77% 73%1 3°' <br />4-Bromofluorobenzene 500 70-130 91% 105% 110% 72% 90% 87% <br />Surrogate Recovery spk conc ACP %RC %RC %RC %RC %RC %RC %RC %RC <br />Sample I.D. 120702-48 120702-49 120702-55 <br />Dibromofluoromethane 50.0 70-130 72% 54*% 65*% <br />Toluene-d8 50.0 70-130 52*% 52*% 79% <br />4-Bromofluorobenzene 50.0 70-130 80% 91% 105% <br />Surrogate Recovery I spk conc ACP %RC %RC 'YoR C %RC %RC %RC %RC %RC <br />Sample I.D. <br />Dibromofluoromethane 50 C 70-130 <br />Toluene-d8 50.0 70-130 <br />4-Bromofluorobenzene 50.0 70-130 <br />* = Surrogate fail due to <br />S.R. = Sample Results <br />spk conc = Spike Concentration <br />MS = Matrix Spike <br />Analyzed/Reviewed By: <br />Final Reviewer: <br />matrix interference,. LCS, MS, MSD are in control therefore the analysis is in control. <br />%RC = Percent Recovery <br />ACP %RC = Accepted Percent Recovery <br />MSD = Matrix Spike Duplicate