"2014 Elk River chemical spill" — From left, U.S. Army Maj. Drew Smith, the deputy commander of the District of Columbia National Guard's 33rd Civil Support Team, Capt. Kelvin Hart, a nuclear medicine science officer, and Lt. Col. Greg Vigeant, a physicians assistant, speak with a restaurant employee 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.