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.1 <br /> CSC Acceptability Limits <br /> QC Check Duplicate Duplicate Water Soil Reagent <br /> Analyte Sample Water Soil Matrix Matrix Water <br /> Recovery Sample Sample Spike Spike Spike <br /> N RPD RPD Recovery Recovery Recovery <br /> Modified EPA 8020: <br /> Benzene 80- 120 30 30 55 -129 1 24- 127 70- 147 <br /> Toluene 80-120 30 30 72- 149 17- 124 67- 150 <br /> Ethylbenzene 80- 120 30 30 75 - 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 /> OC Check Duplicate Duplicate Water Soil Reagent <br /> Analyte Sample Water Soil Matrix Matnx Water <br /> Recovery Sample Sample Spike Spike Spike <br /> (°.6) RPD RPD Recovery Recovery Recovery <br /> N N ice? N (%) <br /> Diesel 30 30 63-127 58-144 48- 134 <br /> EPA 8010 8020: <br /> Chiorobenzene 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 /> Ethyibenzene 80- 120 30 -- 43-131 19-129 <br /> Xyf ene, total 80- 120 30 --- 55-115 23 - 124 <br /> 1,1-Dichloroethene 80-120 30 --- 30-160 72-116 <br /> Trichloroethene 80- 120 30 78-184 79-120 82- 187 <br /> EPA 8080: <br /> Heptachlor 80-120 30 -- -- 34 -111 <br /> Aldnn 80- 120 30 -- -- 42-122 <br /> DDE 80-120 30 --- --- 30 -145 <br /> Dieldrin 80- 120 30 -- -- 36-146 <br /> Endnn 80- 120 30 -- — 30- 147 30-1147 <br /> DDD 80-120 30 -- --- 31 - 141 31 -114 <br /> DDT 80-120 30 --- -- 10-180 10-180 <br /> Arochlor 1260 45 -127 30 --- -- 53- 128 53- 128 <br /> GTEL Concord,CA Page 1 of 3 <br /> March, 1992 <br /> CHEVOCLSEr <br /> JGTEL <br /> ENVIRONMENTAL <br /> LABORATORIES INC. <br />