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n <br /> Client Number SNC01ARC01 <br /> Facility Number 2133 <br /> Arco Representative Chuck Carmel <br /> Work Girder Number C3.05-0468 <br /> QC Matrix Spike and Duplicate Spike Results <br /> p P <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 Ill 3 7 <br /> Toluene Reagent Water 1 06/07/93 200 ug/L 111 114 2 7 <br /> Ethylbenzene Reagent Water 06/07/93 200 ug/L 107 111 3 7 <br /> Xylene, total Reagent Water 06/07/93 600 ug/L 117 120 2 5 <br /> Modified EPA 8020: <br /> Benzene 03050515-07 06/08/93 200 ug/L 110 NA NA <br /> Toluene C3050515-07 06/08/93 200 ug/L 115 NA NA <br /> Ethylbenzene 03050515-07 06/08/93 200 ug/L 110 NA NA <br /> Xylene, total 03050515-07 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 1 6 <br /> . Trichloroethene C3050428-08 05/27/93 500 ug/L 106 958 101 <br /> Benzene C3050428-08 05/27/93 500 ug/L 932 956 2 5 <br /> Toluene C3050428-08 05/27/93 500 ug/L 938 962 25 <br /> Chlorobenzene 03050428-08 05/27/93 500 ug/L 932 930 0 2 <br /> EPA 625/8270: <br /> Phenol Reagent Water 06/03/93 200 ug/L 416 506 195 <br /> 2-Chlorophenol Reagent Water 06/03/93 200 ug/L 772 89 7 149 <br /> 4-Chloro-3-methylphenol Reagent Water 06/03/93 200 ug/L 702 809 142 <br /> 4-Nitrophenol Reagent Water 06/03/93 200 ug/L ND 51 4 NA* <br /> Pentachlorophenol Reagent Water 06/03/93 200 ug/L 461 756 50 0 <br /> 1,4-Dichlorobenzene Reagent Water 06/03/93 100 ug/L 506 604 182 <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-DInFtrotoluene Reagent Water 06/03/93 100 ug/L 612 726 164 <br /> Acenaphthene Reagent Water 06/03/93 100 ug/L 77 2 872 121 <br /> Pyrene Reagent Water 106/03193 100 u L goo 106 16 3 <br /> a See attached table for acceptability limits <br /> NA = Not Applicable <br /> ND = Not Detected <br /> is *Recovery for matrix spike for nitrophenol was outside of control limits <br /> GC3050468TEL NGTEL <br /> NlNVIRONMENTAL <br /> OORATORIEa INC. <br />