"2014 Elk River chemical spill" — U.S. Army Capt. Kelvin Hart, a nuclear medicine science officer with the District of Columbia National Guard's 33rd Civil Support Team, discusses sanitation procedures during a water flush at a restaurant Jan. 17, 2014, in Elkview, W.Va. *Health inspectors traveled to restaurants around the nine counties affected by a chemical leak on the Elk River the week before. The West Virginia National Guard was activated to distribute drinking water and assist residents affected by the spill.