Technical Issues Related to Emission Releases from Subslab Radon Mitigation Systems

by David C. Sanchez, EPA, United States,

Document Type: Proceeding Paper

Part of: Environmental Engineering


Surveys of government and private sector radon mitigation activities indicate that subslab radon mitigation systems account for more than 50 percent of all installed systems. Such systems can remove large quantities of radon laden soil gas from underneath and from around mitigated houses. This paper presents a preliminary review of the literature and an estimation of the range of emission dilutions that are possible for roof-top and elevated side-of-house emission releases. Operating characteristics of typical subslab systems are used with estimated dilutions to assess possible emissions reentrainment and downwind effects on houses.

Subject Headings: Emissions | Air pollution | Mitigation and remediation | Slabs | Indoor environmental quality | Residential buildings | Dilution | Soil gas

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