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Measuring radioactivity

November 5, 2009 | 12:01 a.m. CST
Kevin Fasken of the MU environmental health and safety department passes a Geiger counter over an area of contaminated dirt outside of Schlundt Annex on Wednesday. Geiger counters measure ionizing radiation and help the cleanup crew locate the pockets of radiation left from a phosphorus-32 spill last night.

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