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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 : 1 /11 - 12/2018 Matrix : Solid/Soil/Liquid <br /> Machine : C Unit ; mg/KA ( PPM ) <br /> Matrix Spike ( MS )/Matrix Spike Duplicate (MSD) <br /> Spiked Sample Lab I . D . : 18011. 1 -LCS1 /2 <br /> Analyte S . R . spk conc MS % RC MSD % RC % RPD ACP % RC ACP RPD <br /> Benzene 0 0 . 050 0 . 060 120% 0 . 060 120% 0% 75- 125 0-20 <br /> Chlorobenzene 0 0 . 050 0 , 052 104% 0 . 052 104% 0% 75- 125 0-20 <br /> 111 - Dichloroethene 0 0 . 050 0 . 048 96% 0 . 050 100% 4% 75- 125 0-20 <br /> Toluene 0 0 . 050 0 . 058 116 % 0 . 056 112 % 4% 75- 125 0-20 <br /> Trichloroethene TCE 0 0 . 050 0 . 054 108 % 0 . 054 109 % 1 % 75 - 125 0-20 <br /> Lab Control Spike LCS <br /> Analyte spk conc LCS % RC ACP % RC <br /> Benzene 0 . 050 0 . 057 114 % 75 - 125 <br /> Chlorobenzene 0 . 050 0 . 055 110% 75- 125 <br /> Chloroform 0 . 050 0 . 061 122% 75- 125 <br /> 111 - Dichlorothene 0 . 050 0 . 052 104 % 75- 125 <br /> Eth ( benzene 0 . 050 0 . 059 118 % 75- 125 <br /> o-X lene 0 . 050 0 . 059 118 % 75- 125 <br /> 2,2-Xylene 0 . 100 0 . 117 117% 75- 125 <br /> Toluene 0 . 050 0 . 056 112 % 75- 125 <br /> 1 , 1 , 1 -Trichloroethane 0 . 050 0 . 061 122% 75- 125 <br /> Trichloroethene (TCE) 0 . 050 0 . 057 114% 75- 125 <br /> wiww <br /> Surrogate Recover s k conc ACP % RC MB % RC % RC % RC % RC % C % RC.. % RC <br /> Sample I . D . M -BLK 180110 - 7 180110 -18 180110-19 18011 -12 180110-1 180110 -56 <br /> Dibromofluoromethane 50.0 70- 130 108 % 119% 110% 114% 96 % 112 % 103% <br /> Toluene-d8 50 .0 70- 130 97% 95 % 94% 96 % 97% 81 % 6 % <br /> 4- Bromofluorobenzene 50 .0 70- 130 95% 97% 91 % 97% 92 % 97% 8 % <br /> �wwwSurro ate Recove s k conc ACP % RC % RC % RC °/qRC % RC % RC oRC _ % RC <br /> Sam le I . D . 180110 -57 1180110 -105 100110 -103 180111 -27 180111 -28 180 1 -7 180111 -8 <br /> Dibromofluoromethane 50 .0 70130 1130/0 109 % 91 % 113 % 113% 104 % ` - _ 91 %0 <br /> Toluene-d8 50 .0 70- 13Q 97% 96 % 53 *% 95 % 96 % 100% 100 % <br /> 4- Bromofluorobenzene 50 .0 70- 130 83% 85% 75% 89 % 93 % 9001c 8401, <br /> SuLMaa!LELovery spk conc ACP % RC % RC % RC % RC %RC % RC % RC - % RC <br /> Sample I . D . 18011109 180111 - 11 <br /> Dibromofluoromethane 50 .0 70- 130 96% 103 % <br /> Toluene-d8 50 . 0 70- 130 104% 97 % <br /> 4- Bromofluorobenzene 50 .0 1 70- 130 1 92 % 69% <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 />