Disaster_Accident

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This image provided by the U.S. Navy Thursday Jan. 9, 2014 shows Lieutenant J. Wesley Van Dorn, 29, of Greensboro, NC who was killed in an MH-53E helicopter crash off the coast of Virginia Beach, Va.Wednesday Jan. 7, 2014. Rescuers called off their search Thursday for a sailor missing since the Navy helicopter with five crew members aboard crashed in the ocean off the Virginia coast, the Coast Guard said. Two people died in the Wednesday crash, and two others were hospitalized. (AP Photo/US Navy)

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Tanaz Rahin of the South Hills region of Charleston. W.Va. drove across town to South Charleston to find water following a chemical spill on the Elk River that compromised the public water supply of eight counties on Thursday, Jan. 9, 2014. (AP Photo/Tyler Evert)

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Laura John of Charleston, W.Va, drove across town to South Charleston, W.Va, to find water following a chemical spill on the Elk River that compromised the public water supply of eight counties of Thursday, Jan. 9, 2014. (AP Photo/Tyler Evert)

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Residents of South Charleston, W.Va., wait in line at Kroger to buy water following a chemical spill on the Elk River that compromised the public water supply of eight counties on Thursday, Jan. 9, 2014. (AP Photo/Tyler Evert)

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Jim Cole of Exeter, N.H., got the last few bottles of water at the Kroger in South Charleston W.Va. following a chemical spill on the Elk River that compromised the public water supply to eight counties of Thursday, Jan. 9, 2014. (AP Photo/Tyler Evert)