Document Type

Poster Presentation

Symposium Date

Spring 4-24-2013

Abstract

Radon-222 is a heavy radioactive gas with a half-life of 3.8 days, often found in basements and other enclosed, underground spaces. It is produced by decaying deposits of uranium-238, and presents a significant health risk to those who encounter it in their homes and places of work. The only gas in the uranium decay chain, radon atoms work their way through layers of soil, usually to dissipate harmlessly into the atmosphere. In buildings, however, the gas accumulates and causes dangerous environmental radiation. Much work has been done to measure the transmission of the gas through water and solid materials, but very little is known about its behavior once it enters into the air of a contained space, besides larger scale statistical data. In this project, I will study how radon gas disperses horizontally and vertically over time in air and formulate a model for this dispersion. The model will benefit those working against the radon problem by providing a more efficient algorithm for evaluating radon's presence in a space and for locating its points of entry.

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