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ti <br /> Trace Analysis Laboratory,Inc <br /> LOG NUMBER: 5227 • <br /> DATE SAMPLED 02/14/95 <br /> DATE RECEIVED' 02/15/95 <br /> DATE ANALYZED. 02/16/95 <br /> DATE REPORTED. 02/22/95 <br /> PAGE: Two <br /> } <br /> Sample-Type: Vapor <br /> Method Blank-- <br /> Method <br /> lank_Method and Concen- Reporting <br /> Constituent: U- -nits tration Limit <br /> Modified DWS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline mg/m3 ND 30 <br /> Modified EPA Method 8020 for. <br /> Benzene mg/m3 ND 0. 10 <br /> Toluene mg/m3 ND 0.10 <br /> Ethylbenzene mg/m3 ND 0. 10 <br /> Xylenes mg/m3 NO 0.30 • <br /> QC_Summary. <br /> % Recovery: 89* <br /> q RPD: 31 <br /> Concentrations reported as ND were not detected at or above the reporting limit. <br /> * The Recovery for vapor samples is based on the Laboratory Control Sample. <br /> Louis W. DuPuis <br /> Quality Assurance/Quality Control Manager <br />