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July 1, 2016. Blacksburg, Virginia. <br />
 Marc Edwards waits for a van just back from Flint, MI to arrive on the loading dock of one of the Virginia Tech labs he oversees. The water testing team arrived back late the night before and must unpack all the supplies from the 2 week trip. <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.