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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: 8/25/2012 Matrix. Solidf oillLiquid <br /> Machine: C Unit; m_qIKg (PPM) <br /> Matrix Spike (MS)/Matrix Spike Duplicate (MSD) <br /> Spiked Sample Lab I.D.: 120823-114 MS/MSD <br /> Analyte S.R spk conc MS %RC MSD OX)RC %RPD :ACP %RC ACP RPD <br /> Benzene 0 0.050 0.052 103% 0.050 100% 3% 1 75-125 0-20 <br /> Chlorobenzene 0 0.050 0.056 112% 0.056 113% 1% 75-125 0-20 <br /> 1,1-Dichloroethene 0 0.050 0.056 112% 0.055 110% 3% 75-125 0-20 <br /> !Toluene 1 0 0.050 0.059 118% 0.059 118% 1% 75-125 0-20 <br /> Trichloroethene (TCE) 1 0 0.050 0.060 120% 0.060 120% 0% 75-125 0-20 <br /> Lab Control Spike (LCS): <br /> Analyte spk conc LCS %RC ACP %RC <br /> Benzene 0.050 0.048 96% 75-125 <br /> Chlorobenzene 0.050 _0.055 110% 75-125 <br /> Chloroform 0.050 0.058 116% 75-125 <br /> 1,1-Dichlorothene 0.050 0.046 92% 75-125 <br /> Ethylbenzene 0.050 0.057 114% 75-125 <br /> o-Xylene 0.050 0.059 119% 75-125 <br /> m,p-X lene 0.100 0.119 119% 75-125 <br /> Toluene _ _ 0.050 0.059 118% 75-125 <br /> 1,1,1-Trichloroethane 0.050 0.061 123% 75-125 <br /> Trichloroethene (TCE) 0.050 0.057 114% 75-125 j <br /> Surrogate Recover spk conc ACP 0/.RC MB %RC %RC I %RC I %RC %RC %RC %RC <br /> Sample I.D M-BLK 120823-114 120823-117 120823 118 120823-120 120823-123 120823-126 <br /> Dibromofluoromethane 50,0 70-130 124% j 104% 96% 105% 100% 109% 99% <br /> Toluene-d8 50.0 70-130 912 . 106% 10.80 , : . ; t. . 13 fo 10211 . 14`"°, <br /> 4-Bromofluorobenzene 50.0 70-130 101% 96% 97% 97% 96% 100% 92% <br /> Surrogate Recovery spk conc I ACP %RC %RC I %RC I %RC J.. %RC %RC I %RC I %RC <br /> Sample I.D. 120823-127 120823-1281120823-1291120823-130F12-0823-131 120823-96A 20814-17 <br /> Dibromofluoromethane 50-0 70-130 102% 111% 124% 113% 117% 109% 116% <br /> Toluene-d8 50-0 70-130 111% 112% 113% 114% 113% 112% 93% <br /> 4-Bromofluorobenzene 60.0 70-130 94% 94% 98% 96% 95% 93% 86% <br /> Surrogate Recovery, spk conc ACP %RC %RC %RC "ARC 1%RC `YGRC %RC %RC <br /> Sample I.D. <br /> Dibromofluoromethane 50.0 70-130 <br /> Toluene-d8 50.0 70-130 <br /> 4-Bromofluorobenzene 50.0 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: r <br /> Final Reviewer: <br />