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QC Acceptability Limits <br /> QC Check Du licate Duplicate Water Soil Reagent <br /> Analyte Sample Water Soil Matrix Matrix Water <br /> Recovery Sample Sample Spike Spike Spike <br /> (°,6} RPD RPD Recovery Recovery Recovery <br /> 96 % % % <br /> Modified EPA 8020: <br /> Benzene 80-120 30 30 55- 129 24- 127 70 - 147 <br /> Toluene 80- 120 30 30 72 - 149 17- 124 67- 150 <br /> Ethylbenzene 80 - 120 30 30 76 - 138 19- 129 69- 145 <br /> Xylene,total 80- 120 30 30 74- 147 23- 124 71 - 152 <br /> Modified EPA 8015: <br /> Gasoline --- 30 30 --- --- — <br /> QC Check Duplicate Duplicate Water Soil Reagernt <br /> Analyte Sample Water Soil Matruc Matrix Water <br /> Recovery Sample Sample Spike Spike Spike <br /> N RPD RPD Recovery Recovery Recovery <br /> Diesel --- 30 30 63 - 127 58- 144 .. .48- 134 <br /> EPA 8010 8020: <br /> Chlorobenzene 80- 120 30 --- 34- 134 58- 126 62- 111 <br /> Benzene 80- 120 30 --- 66- 118 24- 127 58 -127 <br /> Toluene 80- 120 30 --- 53 - 115 17- 124 60- 120 <br /> Ethylbenzene 80- 120 30 --- 43- 131 1 19- 129 58- 126 <br /> Xylene,total 80- 120 30 1 -- 55 - 115 23- 124 63- 128 <br /> 1,1-Dichloroethene 80- 120 30 --- 30- 160 72- 116 56-138 <br /> Trichloroethene 80- 120 30 --- 78- 184 79- 120 82- 187 <br /> EPA 8080: <br /> Heptachlor 80 - 120 30 --- --- 34- 111 34- 111 <br /> Aldrin 80- 120 30 --- -- 42- 122 42- 122 <br /> DDE 80- 120 30 --- --- 30- 145 30- 145 <br /> Dieldrin 80- 120 30 --- --- 36- 146 36- 146 <br /> Endrin 80- 120 30 --- --- 30- 147 30 - 147 <br /> DDD 80- 120 30 --- --- 31 - 141 1 31 - <br /> DDT <br /> 1 -DDT 80- 120 30 --- --- 10- 180 10- 180 <br /> Arochlor 1260 45 - 127 30 --- --- 53- 128 53- 128 <br /> . GTEL Concord,CA Page t of 3 <br /> March, 1992 <br /> CHEVQCL SET <br /> GTE L <br /> E N V I R O N M E N T A L <br /> ® LA MORAY RIES INC <br />