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Alpha Scientific Corporation <br /> Environmental Laboratories <br /> 10-06-2015 <br /> EPA 8260B <br /> Batch QA/QC Report <br /> Client: Advanced GeoEnvironmental, Inc Lab Job No: AE509153 <br /> Project: PNA SWIS <br /> Matrix: Soil Lab Sample I.D.: PA509144-1 <br /> Batch No: 0929-VOBSI Date Analyzed: 09-29/30-2015 <br /> I.MS/MSD Report <br /> Unit: ppb <br /> Analyte Sample Spike MS MSD MS MSD %RPD %RPD %Rec <br /> Conc. Cone. %Rec. %Rec. Accept. Accept. <br /> Limit Limit <br /> 1,1- ND 20 19.1 15.3 95.5 76.5 22.1 30 70-130 <br /> Dichloroethene <br /> Benzene ND 20 21.4 22.9 107.0 114.5 6.8 30 70-130 <br /> Trichloro- ND 20 20.3 21.6 101.5 108.0 6.2 30 70-130 <br /> ethene <br /> Toluene ND 20 19.4 20.5 97.0 102.5 5.5 30 70-130 <br /> Chlorobenzene ND 20 19.0 18.7 95.0 93.5 1.6 30 70-130 <br /> II. LCS Result <br /> Unit: ppb <br /> Analyte LCS Value True Value Rec.% Accept.Limit <br /> 1,1-Dichloroethene 18.4 20.0 92.0 80-120 <br /> Benzene 18.4 20.0 92.0 80-120 <br /> Trichloro-ethene 17.7 20.0 88.5 80-120 <br /> Toluene 20.9 20.0 104.5 80-120 <br /> Chlorobenzene 19.5 20.0 97.5 80-120 <br /> ND:Not Detected(at the specified limit) <br /> 16760 Gridley Road,Cerritos,CA 90703 8 Phone(562)809-8880 Asc90703@gmail.com <br />