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Client Number BNCUtARC01 <br /> Facility Number 2133 <br /> Arco Representative Chuck Carmel <br /> Work Order Number C3-05-04U <br /> QC Matrix Spike and Duplicate Spike Results <br /> Matrix Water <br /> Sample Date of Spike Recovery, Duplicate <br /> Analyte ID Analysis Amount Units % Recovery, % RPDa, % <br /> Modified EPA 8020. <br /> Benzene Reagent Water 06/07/93 200 ug/L 107 111 37 <br /> Toluene Reagent Water 06/07/93 20 0 ug/L 111 114 27 <br /> Ethylbenzene Reagent Water 06/07/93 200 ug/L 107 111 37 <br /> Xylene, total Reagent Water 06/07/93 600 ug/L 117 120 25 <br /> Modified EPA 8020: <br /> Benzene 03050515-07 06/08/93 20 0 ug/L 110 NA NA <br /> Toluene 03050515-07 06/08/93 20 0 ug/L 115 NA NA <br /> Ethylbenzene 03050515-07 06/08/93 200 ug/L 110 NA NA <br /> Xylene, total C3050515-07 06/08/93 600 ug/L 119 NA NA <br /> EPA 8240: <br /> 1,1-Dichloroethene 03050428-08 05/27/93 500 ug/L 868 882 16 <br /> Trichloroethene C3050428-08 05/27/93 600 ug/L 106 958 101 <br /> Benzene C3050428-08 05/27/83 500 ug/L 93.2 95 6 25 <br /> Toluene 03050428-M 05/27/93 50 0 ug/L 938 96 2 25 <br /> Chlorobenzene C3050428-08 05/27/93 500 ug/L 932 930 0 2 <br /> EPA 625/8270: <br /> Phenol Reagent Water 06/03/93 200 ug/L 416 50 6 195 <br /> 2-Chlorophenol Reagent Water 06/03/93 200 ug/L 772 897 149 <br /> 4-Chlaro 3-methyl phenol Reagent Water 06/03/93 200 ug/L 702 809 142 <br /> 4-Ndrophenol Reagent Water 06/03/93 200 1 ug/L ND 514 NA* <br /> Pentachlorophenol Reagent Water 06/03/93 200 ug/L 46.1 75 6 50.0 <br /> 1,4-Dichlorobenzene Reagent Water 06/03/93 100 ug/L 506 60.4 182 <br /> N-Nitroso-di-n-propylamine Reagent Water 06/03/93 100 ug/L 660 726 952 <br /> 1,2,4-Trichlorobenzene Reagent Water 06/03/93 100 ug/L 508 612 186 <br /> 2,4-Dindrotoluene Reagent Water 06/03/93 100 ug/L 612 726 164 <br /> Acenaphthene Reagent Water 06/03/93 100 ug/L 772 872 121 <br /> P rens Rea ent Water 06 103193 100 u L 900 106 163 <br /> a See attached table for acceptability limits <br /> NA = Not Applicable <br /> NO = Not ryfor <br /> *Recovery for matrix spike for ndrophend was outside of control Eimds. <br /> C-10 04668 OC CA � GTE L. <br /> _AUENVIRONMENTAL <br /> ICRATOUOS INC- <br />