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2015 Spring Symposium on Undergraduate Research and Community... has ended
Wednesday, April 22 • 8:30am - 10:30am
Methods For Pinpointing And Identifying An Unknown Underground Radiation Source

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A site in Franklin, NC has been located which has an unknown radiation source underground. Preliminary surveys of this site have indicated that the output radiation of this source is significantly higher than that of environmental background radiation. Field analysis is done on this site to determine what the physical nature of the source is and to indentify it if possible. Data is collected in the localized surrounding area using a Geiger counter on a grid layout characterizing the intensity of the radiation. The depth of the source is determined by estimating the thickness and characteristics of the material medium between the source and the measured locations. Using known data on shielding properties of various materials such as concrete and packed soil in conjunction with collected data, the underground source of radiation may be identified. The detected radiation peak intensity just at the surface is significantly higher than average background radiation by two orders of magnitude which suggests assessing safety of this site.

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Wednesday April 22, 2015 8:30am - 10:30am
Wilma Sherrill Center Concourse