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Enviro-Chem, Inc. <br />1214 E. Lexington Avenue, Pomona, CA 91766 <br />Tel (909)590-5905 <br />Fax (909)590-5907 <br />82608 QA/QC Report <br />Date Analyzed: <br />10/14-15/22 <br />Matrix: <br />Solid/Soil/Liquid <br />Machine: <br />D <br />Unit: <br />mglft tPPMt <br />Matrix Spike (MS)/Matrix Spike Duplicate (MSD) <br />Spiked Sample Lab I.D.: <br />221013-8 MS/MSD <br />Analyte <br />S.R. <br />s k conc <br />MS <br />%RC <br />I MSD I <br />%RC <br />I %RPD <br />ACP %RQf <br />ACP RPD <br />Benzene <br />0 <br />0.050 <br />0.062 <br />124% <br />0.059 <br />118% <br />6% <br />75-125 <br />0-20 <br />Chlorobenzene <br />0 <br />0.050 <br />0.049 <br />98% <br />0.048 <br />96% <br />2% <br />75-125 <br />0-20 <br />1,1-Dichloroethene <br />0 <br />0.050 <br />0.055 <br />110% <br />0.057 <br />114% <br />4% <br />75-125 <br />0-20 <br />Toluene <br />0 <br />0.050 <br />0.059 <br />118% <br />0.061 <br />122% <br />4% <br />75-125 <br />0-20 <br />Trichloroethene TCS <br />0 <br />0.050 <br />0.057 <br />114% <br />0.056 <br />112% <br />29/. <br />75-125 <br />0-20 <br />Lab Control Spike (LCS): <br />Analyte <br />s k conc <br />LCS <br />%RC <br />ACP %RC <br />Benzene <br />0.050 <br />0.062 <br />124% <br />75-125 <br />Chlorobenzene <br />0.050 <br />0.050 <br />100% <br />75-125 <br />Chloroform <br />0.050 <br />0.062 <br />124% <br />75-125 <br />1,1-Dichlorothene <br />0.050 <br />0.052 <br />104% <br />75-125 <br />Eth (benzene <br />0.050 <br />0.049 <br />98% <br />75-125 <br />o-X lene <br />0.050 <br />0.050 <br />100% <br />75-125 <br />m -X leve <br />0.100 <br />0.093 <br />93% <br />75-125 <br />Toluene <br />0.050 <br />0.059 <br />118% <br />75-125 <br />1,1,1-Trichloroethane <br />0.050 <br />0.060 <br />120% <br />75-125 <br />Trichloroethene (TCE) <br />0.050 <br />0.061 <br />122% <br />75-125 <br />Surro ate Recove <br />s k cone <br />ACP %RC <br />MB %RC <br />%RC <br />%RC <br />%RC <br />%RC <br />%RC <br />%RC <br />Sample I.D. <br />M-BLK 1 <br />221013-8 1 <br />221013-1 1 <br />221012-3 <br />221012-4 <br />1 221012-5 <br />221012-6 <br />Dibromofluoromethane <br />50.0 <br />70-130 <br />123% <br />115% <br />117% <br />116% <br />119% <br />116% <br />124% <br />Toluene-d8 <br />50.0 <br />70-130 <br />111% <br />113% <br />112% <br />115% <br />114% <br />110% <br />113% <br />4-Bromofluorobenzene <br />50,0 <br />70-130 <br />102% <br />101% <br />96% <br />97% <br />100% <br />96% <br />102% <br />Surroc jate Recovery <br />s k cone <br />ACP %RC <br />%RC <br />%RC <br />I %RC I <br />%RC <br />%RC <br />I %RC <br />%RC_ <br />Sample I.D. <br />221012-7 <br />221012-8 <br />1 221012-9 1221012-101221012-111221012-121221012-13 <br />Dibromofluoromethane <br />50.0 <br />70-130 <br />122% <br />124% <br />120% <br />122%r101% <br />41 % <br />121% <br />118% <br />Toluene-d8 <br />50,0 <br />70-130 <br />114% <br />115% <br />115% <br />115%113% <br />112% <br />113% <br />4-Bromofluorobenzene <br />50,4 <br />70-130 <br />99% <br />102% <br />97% <br />101% <br />93% <br />99% <br />Surrogate Recovery <br />s k conc <br />ACP %RC <br />%RC <br />%RC I <br />%RC <br />%RC <br />I %RC <br />I %RC <br />%RC <br />Sample I.D. <br />F2210-12-141221012-151221012-161 <br />221014-1 <br />1 221014-2 <br />Dibromofluoromethane <br />50.0 <br />70-130 <br />118% <br />136`% <br />126% <br />120% <br />124% <br />Toluene-d8 <br />50.0 <br />_ <br />70-130 <br />118% <br />111% <br />115% <br />1120X <br />114% <br />4-Bromofluorobenzene <br />50.0 <br />70-130 <br />97% <br />99% <br />102% <br />120% <br />119% <br />= Surrogate fail due to matrix <br />interference; LCS, MS, MSD <br />are in control therefore the analysis is in control. <br />S.R. = Sample Results <br />%RC = Percent Recovery <br />spk conc = Spike Concentration <br />ACP %RC = Accepted Percent Recovery <br />MS = Matrix Spike <br />MSD = Matrix Spike Duplicate <br />Analyzed/Reviewed By: <br />i <br />Final Reviewer: <br />