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- Alpha Scientific Corporation . <br /> Environmental Laboratories <br /> 12-06-2007 <br /> EPA 8260B <br /> Batch QA/QC Report <br /> Client. Environmental Applications_ Lab Job No.: Q712016 <br /> Project: 0710-01 <br /> Matrix: Soil Lab Sample ID: AI712017-1 <br /> Batch No: 1206-VOCS I Date Analyzed: 12-06-2007 <br /> I.MS/MSD Report <br /> Unit: ppb <br /> Analyte Sample :Spike MS MSD MS MSD %RPD %RPD %Rec <br /> Conc. Conc: %Rec. %Rec. Accept. Accept. <br /> Limit Limit <br /> 1,1- ND 20 20.2 20.1 101.0 100.5 '0.5 30 70-130 <br /> Dichioroethene <br /> Benzene ND 20 22.2 22.4 1I1.0 112.0 0.9 30 70-130 <br /> Trichloro- ND 20 18.5 18.7 92.5 93.5 1.1 30 70-130 <br /> ethene <br /> Toluene ND 20 19.4 19:8 97.0 99.0 2.0 30 70-130 <br /> Chlorobenzene ND 20 20.8 21:2 104.0 106.0 1.9 .30 70-130 JI1 <br /> II:LCS Result <br /> Unit: ppb <br /> Analyte LCS Value True Value Rec.% Accept. Limit <br /> I,1-Dichloroethene 46.3 50.0 92.6 80-120 <br /> Benzene 51.2 50.0 102.4 80-120 <br /> Trichloro-ethene 45.7 50.0 91.4 80-120 <br /> Toluene 45.8 50.0 91.6 80-120 <br /> Chlorobenzene 47.5 50.0 95.0 80-120 <br /> ND: Not Detected. <br /> 16760 Gridley Road,Cerritos,CA 90703 16 Phone:(562)809-8880 Fax:(562)809-8801 <br />