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Enviro-Chem, Inc. <br /> 121.4 E. Lexington Avenue, Pomona, ' , 91766 Tel(909)590-5905 Fax (909)590-5907 <br /> �`' 8260B QA/QC Report v'` <br /> )ate Analyzed: 6/14/04 Matrix: Soil <br /> 4achine: A Unit: mg/K (q PPM) <br /> Aatrix Spike(MS)/Matrix Spike Duplicate(MSD) <br /> 'piked Sample Lab I.D.: 0614-33 <br /> Analyte S.R. spk cone MS %RC MSD %RC %RPD ACP %RC ACP RPD <br /> 3enzene 0 0.050 0.050 99% 0.050 T 101% 2% 75-125 0-20 <br /> ;hlorobenzene 0 0.050 0.052 104% 0.051 102% 2% 75-125 0-20 <br /> .1-Dichloroethene 0 0.050 0.047 94% 0.048 96% 2% 75-125 0-20 <br /> oluene 0 0.050 0.049 97% 0.049 , 99% 1%° 75-12.5 0-20 <br /> richloroethene (TCE) 0 0.050 1 0.049 98% 1 0.050 1 101% 3% 75-125 0-20 <br /> .ab Control Spike(LCS): <br /> Analyte spk conc _LCS %RC ACP %RC <br /> 3enzene 0.050 0.049 97% 75-125 <br /> ;hlorobenzene0.050 0.050 99% 75-125 <br /> ;hloroform0.050 _0.044 89% 75-12.5 <br /> .1-Dichlorothene 0.050 0.040 80% 75-125 <br /> :ihylbenzene 0.050 0.051 102% 75-125 <br /> -Xylene 0.050_ 0.046 92% 75-125 <br /> i,p-Xylene 0..100 0.974 974% 75-125 <br /> oluene 0.050 0.048 96% 75-125 <br /> 1,1-Trichloroethane 0.050 0.042 1 85% 75-125 <br /> richloroethene (TCE) 0.050 0.048 1 95% 75-125 <br /> surrogate Recovery spk conc ACP %RC MB%RC %RC %RC %RC %RC %RC %RC <br /> ;ample I.D. 0614-28 0614-33 0614-38 0614-42 0614-46 0614-12 <br /> )ibromofluoromethane 50.0 70-130 98% 97% 97% 99% 94% 97% 100% <br /> oluene-d8 50.0 70-130 9% 98% 98% 101% 98% 98% 99% <br /> -Bromofluorobenzene 50.0 70-130 113% 111% 116% 117% 111% 112% 113% <br /> surrogate Recovery spk conc ACP %RC %RC _ %RC %RC ___%RC %RC %RC %RC <br /> sample I.D. 0614-17 <br /> )ibromofluoromethane 50.0 70-130 99% <br /> oluene-d8 50.0 70-130 97% <br /> Bromofluorobenzene 50.0 70-130 109% <br /> surrogate Recovery spk conc I ACP %RC %RC I %RC I %RC %RC %RC %RC %RC <br /> ample I.D. - <br /> )ibromofluoromethane 50.0 70-130 <br /> -oluene-d8 50.0 70-130 <br /> -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 /> ).R. =Sample Results %RC=Percent Recovery <br /> pk conc=Spike Concentration ACP%RC=Accepted Percent Recovery <br /> 4S=Matrix Spike MSD=Matrix Spike Duplicate <br /> malyzed By: Wing Chow Analyst Signature <br /> first Reviewer: %' Final Reviewer: X�) <br />