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June 30, 2016. Blacksburg, Virginia. <br />
 Marc Edwards listens to William Rhoads, a PHD candidate and graduate research assistant, describe his findings from legionella testing on water samples from Flint, Michigan. 12 people have died from legionella exposure during the Flint, MI water crisis.  <br />
Marc Edwards is a civil engineering/environmental engineer and the Charles P. Lunsford Professor of Civil and Environmental Engineering at Virginia Tech. He is an expert in water quality and corrosion, and his work in Washington DC  and in Flint, Michigan helped to expose high levels of lead contamination in the water supplies of those two cities, triggering investigations into the cause of the pollution.