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AECOM Analysis Cites ‘Slime’ As Factor in TVA Coal-Ash Spill

Publication Date: 7/1/2009
Author: Pam Radtke Russell with Debra Rubin
Format: HTML

An unstable and weak slime-like foundation was the primary factor behind the Dec. 22, 2008, catastrophic failure of a coal-ash pond at Tennessee Valley Authority’s Kingston plant near Knoxville, Tenn., says a root-cause analysis released last week by AECOM Technology Corp. TVA hired the firm after the accident to determine why dikes holding coal-waste slurry failed, flooding 300 acres around the plant and the Emory River with 5.4 million cu yd of coal ash.

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