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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: 4/20-21/2018 Matrix: SalldlSoil/Llguld <br /> Machine: C Unit: !Prg g IPPM} <br /> Matrix Spike(MS)/Matrix Spike Duplicate(MSD) <br /> S iked Sample Lab I.D.: 180420-5 MS/MSD <br /> Anal to S.R. spk conc MS %RC MSD %RC I %RPD ACP%RC ACP RPD <br /> Benzene 0 0.050 0.040 80% 0.045 90% 10% 75-125 0-20 <br /> Chlorobenzene 0 0.050 0.053 106% 0.051 102% 4% 75-125 0-20 <br /> 1,1-Dichloroethene 0 0.050 0.041 82% 0.039 78% 4% 75-125 0-20 <br /> Toluene 0 0.050 0.045 90% 0.043 86% 4% 75-125 0-20 <br /> Trichloroethene FCC 0 0.050 0.043 86% 0.041 82% 4% 75-125 0-20 <br /> Lab Control Spike (LCS): <br /> Analyte spk conc LCS %RC ACP%RC <br /> Benzene 0.050 0.045 90% 75-125 <br /> Chlorobenzene 0.050 0.058 116% 75-125 <br /> Chloroform 0.050 0.050 100% 75-125 <br /> 1,1-Dichlorothene 0.050 0.047 94% 75-125 <br /> Eth (benzene 0.050 0.054 108% 75-125 <br /> o-X lene 0.050 0.055 110% 75-125 <br /> m, -X lene 0.100 0.112 112% 75-125 <br /> Toluene 0.050 0.048 96% 75-125 <br /> 1,11-Trichloroethane 0.050 0,045 90% 75-125 <br /> Trichloroethene TCE 0.050 0.047 94% 75-125 <br /> Surrogate Recovery spk conc ACP %RC MB %RC %RC %RC %RC %RC %RC %RC <br /> Sample I.D. M-BLK 180420-1 180420-3 1 180420-4 180420-30 180420-5 180420-6 <br /> Dibromofluoromethane 50-0 70-130 102% 100% 98% 93% 108% 107% 102% <br /> Toluene-d8 50-0 70-130 97°% 97% 97% 97% 95% 95% 96% <br /> 4-Bromofluorobenzene 50.0 70-130 94% 90% 93% 95% 98% 100% 96% <br /> Surro ate Recovery spk conc ACP%RC %RC %RC %RC %RC %RC %RC %RC <br /> Sample I.D. 1 180420-7 1 180420-8 180420-11 180420-12 180420-15 180420-16 180420-19 <br /> Dibromofluoromethane 50.0 70-130 107% 111% 107% 106% 1 109% 96% 107% <br /> Toluene-d8 50.0 70-130 97% 99% 95% 97% 97% 99% 94% <br /> 4-Bromofluorobenzene 50.0 70-130 97% 98% 95% 95% 97% 95% 96% <br /> Surro ate Recove spk conc ACP %RC %RC %RC I %RC %RC %RC %RC %Re <br /> Sample I.D. 180420-- 180420-37 180420-38 180420-39 180420-41 <br /> Dibromofluoromethane 50-0 70-130 106% 114% 117% 114% 123% <br /> Toluene-d8 50-0 70-130 96% 96% 97% 99% 112% <br /> 4-Bromofluorobenzene 50.0 70-130 95% 94% 92% 1 95% 1 94% <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 />