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` — — Mrace Analysis Laboratory,Inc <br /> LOG NUMBER: 5021 <br /> DATE SAMPLED: 12/14/94 <br /> DATE RECEIVED: 12/15/94 <br /> DATE ANALYZED: 12/15/94 <br /> DATE REPORTED: 12/20/94 <br /> f PAGE: Two <br /> i <br /> Sample -Type: Vapor <br /> MethodBlank <br /> Method and _ Concen- Reporting <br /> Copstatuent: Units tration Limit <br /> Modified DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline mg/m3 ND 10 <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 /> QC Summary: <br /> % Recovery: 98* <br /> % RPD: 3.3 <br /> Concentrations reported as ND were not detected at or above the reporting limit. <br /> * The Recovery for vapor samples is based oh the Laboratory Control Sample. <br /> Lotus W. DuPuis <br /> Quality Assurance/Quality Control Manager <br />