EPA has released a report on an investigation into the safety of impoundments holding coal ash in slurry form. This is not the anticipated decision by EPA on whether coal ash should be regulated as a hazardous waste; it is basically a dam safety study. Here's part of the press release.
WASHINGTON – The U.S. Environmental Protection Agency today released action plans developed by 22 electric utility facilities with coal ash impoundments, describing the measures the facilities are taking to make their impoundments safer. The action plans are a response to EPA’s assessment reports on the structural integrity of these impoundments that the agency made public last September. Coal ash was brought prominently to national attention in 2008 when an impoundment holding disposed ash waste generated by the Tennessee Valley Authority broke open, creating a massive spill in Kingston, TN, that covered millions of cubic yards of land and river and is regarded as one of the worst environmental disasters of its kind in history. Shortly afterwards, EPA began overseeing the cleanup, as well as investigating the structural integrity of impoundments where ash waste is stored.
If you go to the hyperlink above, you can see the reports for each of the impoundments studied, as well as a special report on the Philip Sporn plant.
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