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Facdlty Number 2133 <br /> Project ID Not Given <br /> Arco Representable Kyle Christie <br /> Work Order Number C4-03-0413 <br /> QC Check Sample Results <br /> Date of Expected <br /> Analyte Source Analysis Value Unrts Recoverya, % <br /> Modified EPA 8020: <br /> Benzene Ultra 03/02/94 500 ug/L 90 8 <br /> Toluene Ultra 03/02/94 500 ug/L 956 <br /> Ethylbenzene Ultra 03/02/94 500 ug/L 996 <br /> Xylene,total Ultra 03/02/94 150 u L 101 <br /> QC Matrix Spike and Duplicate Spike Results <br /> Matrix Water <br /> • Duplicate <br /> Sample Spike Recovery, Recovery, Control � <br /> Analyte ID Amount Units % % RPD, % Limits <br /> Modified EPA 8020: <br /> Benzene 04030384-02 20 0 1 ug/L 805 730 98 57 3- 138 <br /> Toluene C4030384-02 200 ug/L 825 75 5 89 630-134 <br /> Ethylbenzene C4030384-02 200 ug/L 830 76 0 8 8 593-137 <br /> Xylene,total C4030384-021 600 u L 852 T7 8 91 59.3.144 <br /> C40 Concord,CA Pepe 5 <br /> 040.40MGTEL <br /> 413 DOC <br /> E N V I R O N M E N T A L <br /> LABORATORIES INC, <br />