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Q� Aipha Scientific Corporation <br />Environmental Laboratories <br />Client: Environmental Applications <br />Project: 0710-01 <br />Matrix: Soil <br />Batch No: 1206-VOCS 1 <br />EPA 8260B <br />Batch QA/QC Report <br />L MS/MSD Repott <br />Unit: ppb <br />Lab Job No. <br />Lab Sample ID <br />Date Analyzed: <br />12-06-2007 <br />Q712016 <br />A1712017-1 <br />12-06-2007 <br />Analyte <br />Sample <br />Spike <br />MS <br />MSD <br />MS <br />MSD <br />% RPD <br />%RPD <br />%Rec <br />Benzene <br />Conc. <br />Conc. <br />102.4 <br />80-120 <br />%Rec. <br />%Rec. <br />50.0 <br />Accept. <br />Accept. <br />Toluene <br />45.8 <br />50.0 <br />91.6 <br />80-120 <br />Chlorobenzene <br />47.5 <br />50.0 <br />Limit <br />Limit <br />ND <br />20 <br />202 <br />20.1 <br />101.0 <br />100.5 <br />0.5 <br />30 <br />70-130 <br />Dichloroethene <br />Benzene <br />ND <br />20 <br />22.2 <br />22.4 <br />111.0 <br />112.0 <br />0.9 <br />30 <br />70-130 <br />Trichloro- <br />ND <br />20 <br />18.5 <br />18.7 <br />92.5 <br />93.5 <br />1.1 <br />30 <br />70-130 <br />ethene <br />Toluene <br />ND <br />20 <br />19.4 <br />19.8 <br />97.0 <br />99.0 <br />2.0 <br />30 <br />70-130 <br />Chlorobenzene <br />ND 1 <br />20 1 <br />20.8 <br />1 21.2 <br />1 104.0 1 <br />106.0 1 <br />1.9 <br />1 30 <br />1 i-011 <br />H. LCS Result <br />Unit: ppb <br />Analyte <br />LCS Value <br />True Value <br />Rec.% <br />Accept. Limit <br />1, 1 -Dichloroethene <br />46.3 <br />50.0 <br />92.6 <br />80-120 <br />Benzene <br />512 <br />50.0 <br />102.4 <br />80-120 <br />Trichloro-ethene <br />45.7 <br />50.0 <br />91.4 <br />80-120 <br />Toluene <br />45.8 <br />50.0 <br />91.6 <br />80-120 <br />Chlorobenzene <br />47.5 <br />50.0 <br />95.0 <br />80-120 <br />ND: Not Detected. <br />16 <br />16760 Gridley Road, Cerritos, CA 90703 Phone (562) 809-8880 Fax (562) 809-8801 <br />