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i Envlro-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: 1208 12011 Matrix: Solid/SoilfLlauld <br /> Machine: C Unit: mclKa(PPM) <br /> Matrix Spike(MS)IMatrlx Spike Duplicate(MSD) <br /> Spiked Sample Lab I.D.: 110920-1 MS/MSD <br /> Analyte S.R. s k cone MS %RC MSD %RC %RPD ACP%R ACP RPD <br /> Benzene 0 0.050 0.055 110% 0.051 102% 80 75.125 0-20 <br /> Chlorobenzene 0 0.050 0.051 102% 0.051 102% 0% 75-125 0.20 <br /> 1,1-Dichioroethene 0 0.050 0.058 116% 0.053 106% 10% 75.125 0.20 <br /> Toluene 0 0.050 0.059 118% 0.051 102% 16% 75-125 0-20 <br /> Tdchloroethene (TCE) 0 0.050 0.057 114% 0.054 108% 6% 75.125 0-20 <br /> Lab Control Spike LCS : <br /> Analyte s k cont LCS %RC ACP%RC <br /> Benzene 0.050 0.050 100% 75.125 <br /> Chlorobenzene 0.050 0.052 104% 75-125 <br /> Chloroform 0.050 0.056 112% 75-125 <br /> 1,1-Dichlorothene 0.050 0.044 88% 75.125 <br /> Ethylbenzene 0.050 0.053 106% 75.125 <br /> o-Xylene 0.050 0.055 110% 75-125 <br /> mp-Xylene 0.100 0.107 107% 1 75-125 <br /> Toluene o.oso 0.051 102% 75-125 <br /> 1,1,1-Trichloroethane 0.050 0.045 90% 75-125 <br /> Trichloroethene (TCE) 0.050 1 0.055 110% 75-125 <br /> Surrogate Recovery s k cone JACP%R %RC %RC I %RC I %RC I %RC %RC %RC <br /> Sam le I.D. I I I M-BLK 110919.49 110919-501110919-511110920-1 110920.2 110920.7 <br /> Dibromofluoromethane 50.0 1 70-130 1 77% 111% 82% 76% 89% 89% 87% <br /> Toluene-d8 50.0 70.130 97% 105% 108% 112% 98% 101% 72% <br /> 4-Bromofluorobenzene 1 50.0 1 70-130 1 77% 107% 97% 96% 79% 76% 114% <br /> Surrogate Recovery s k cont JACP%R %RC I %RC I %RC I %RC I %RC I %RC I %RC <br /> Sample I.D. 1 1 1110920.8 110920-111110919-101110916-841 <br /> Dibromofluoromethane 50.0 1 70.130 94% 101% 108% 85% <br /> Toluene-d8 50.0 70-130 87% 114% 80% 107% <br /> 4-Bromofluorobenzene 1 50.0 70.130 82% 109% 78% 100% <br /> Surrogate Recovery s k cone ACP%R %RC %RC %RC %RC %RC I %RC I %RC <br /> Sample I.D. <br /> Dibromofluoromethane 50.0 70-130 <br /> Toluene-08 50.0 70-130 <br /> 4•Bromofluorobenzene 50.0 70-130 <br /> '= Surrogate fall 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 cone=Spike Concentralion ACP%RC=Accepted Percent Recovery <br /> MS=Matrix Spike ( MSD=Matrix Spike Duplicate <br /> Analyzed/Revlewed By: <br /> Final Reviewer:�c - <br />