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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: 4/29-30/2013 Matrix: SoildiSolilLlguld <br /> Machine: C Unit: m f <br /> Matrix Spike(MS)/Matrix Spike Duplicate(MSD) <br /> Spiked Sample Lab I.D.: 130429-LCS1/2 <br /> Analyte S.R. spk conc MS %RC MSD %RC °IURF'D ACP%RC ACP RPD <br /> Benzene ! 0 1 0.050 0.057 113% 0.059 119% 6° 75-125 0-20 <br /> Chlorobenzene 1 0 I 0.050 0.062 124% 0.058 116% K� 75-125 0-20 <br /> 1,1-Dichloroethene 0 0.050 0.046 92% 0.050 100% 8% 75-125 0-20 <br /> Toluene 0 0.050 0.052 105% 0.048 96% 9% 75-125 0-20 <br /> Trichloroethene fTCE) 0 0.050 0.053 107% 0.047 94% 13% 75-125 0-20 <br /> Lab Control Spike(LCS).: <br /> Analyte spk conc LCS %RC ACP %RC <br /> Benzene 0.050 0.051 102% 75-125 <br /> Chlorobenzene 0.050 0.052 105% 75-125 I <br /> Chloroform 0.050 0.056 113% 75-125 <br /> 1,1-Dichlorothene 0.050 0.059 118% 75-125 <br /> Eth (benzene 0.050 0.057 I 115% 75-125 <br /> o-X lene 0.050 0.056 112% 75-125 <br /> m, -X lene 0.100 0.123 123% 75-125 <br /> Toluene 0.050 0.049 98% 75-125 <br /> !1,1,1-Trichloroethane 0.050 0.046 92% 75-125 <br /> Trichloroethene(TCE', 0.050 0.053 106% 75-125 <br /> Surrogate Recover s k conc ACP%RC MB%RC %RC -0/.RC %RC I %RC %RC I %RC <br /> Sample I.D. I I M-BLK 130426-31 130426-361130426-411130426-431130426-461130426-48 <br /> Dibromofluoromethane 50.0 70-130 102% 99% 108% 1300/. 112% 107°h 123°1 <br /> Toluene-d8 50.0 70-130 94% 89% 96% 93% 91% 94% 97% <br /> 4-Bromofluorobenzene 60.4 70-130 j 102% 108% --57%0" 93% _. 110% 92% 101% <br /> Surrogate Recover' spk conc ACP %RC I %RC I %RC %RC 9'°RC %RC %RC I %RC <br /> Sam le I.D. 130429-10 130426-9 30426-12 130429 130429-9 130424-1 130429-15 <br /> Dibromofluoromethane 50.0 70-130 114% 108% 11,8% L1663*0%] 127% 1 21% 114% <br /> Toluene-d8 50.LL 70-130 101% 105% 91%-,." 97% 94%, 93% <br /> 4-Bromofluorobenzene 50.0 70-130 112% 109% 103% 112% 11600 113% <br /> Surrogate Recovery spk conc ACP%RC %RC %RC I %RC I %RC'° %RC %RC %RC <br /> Sample I.D. I 130426-25 130426-26 130426-27 130426-28 13Q426-1 130429-14' <br /> Dibromofluoromethane 84,0 70-130 130% 124% 89% 103% 1 112/--. 112% <br /> Toluene-d8 50.0 70-130 89% 90% 87% 93% 83% <br /> 4-Bromofluorobenzene 50.0 70-130 56*% 67*% 65*% 79% 83% 108% <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: <br /> Final Reviewer: <br /> 1 '- <br />