Environment

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Work continues around a storage tank with the chemical designation MCHM, 4-methylcyclohexane methanol, the chemical that leaked into the Elk River, at Freedom Industries storage facility in Charleston, Va., Monday, Jan. 13, 2014. The ban on tap water for parts of West Virginia was lifted on Monday, ending a crisis for a fraction of the 300,000 people who were told not to drink, wash or cook with water after a chemical spill tainted the water supply. Gov. Earl Tomblin made the announcement at a news conference, five days after people were told to use the water only to flush their toilets. (AP Photo/Steve Helber)

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West Virginia Gov. Earl Ray Tomblin, speaks during a press conference concerning the chemical spill, at the Capitol in Charleston, Va., Monday, Jan. 13, 2014. Starting with downtown Charleston, officials in West Virginia are gradually lifting the ban on using tap water in the nine counties affected by a chemical spill that tainted the water supply. The announcement Monday comes five days after some 300,000 people were told to use the water only to flush their toilets. Tomblin says the testing of the water indicates that it's now safe enough for the ban to be lifted. It's being lifted area by area, so that the water system doesn't get overwhelmed by excessive demand. (AP Photo/Steve Helber)