An excavator works beside a mound of ash at the pond at Santee Cooper's Jefferies power generating station just outside Moncks Corner, S.C., on Wednesday, Feb. 26, 2014. The recycled coal ash is ... more 
An excavator works beside a mound of ash at the pond at Santee Cooper's Jefferies power generating station just outside Moncks Corner, S.C., on Wednesday, Feb. 26, 2014. The recycled coal ash is trucked from the site and then used in the manufacture of concrete. Santee Cooper is South Carolina's state-owned electric and water utility. (AP Photo/Bruce Smith) less 
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Associated Press | Photo By Bruce Smith
Fri, Feb 28, 2014 2:15 PM EST