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M . <br /> Trace Analysis Laboratory,Inc <br /> LOG NUMBER 5411 <br /> DATE SAMPLED: 04/10/95 <br /> DATE RECEIVED• 04/11/95 <br /> DATE ANALYZED 04/14/95 <br /> DATE REPORTED: 04/19/95 <br /> PAGE: Two <br /> Sam e Type: Vapor <br /> Method Blank <br /> Method and Concen- Reporting <br /> Constituent: units tration Limit <br /> Modified DHS 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 ND 0.30 <br /> 0C Summary _ <br /> q Recovery: 111*, 80* <br /> % RPD: 0 0, 9.9 <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 /> i <br />