Talk:Coal slurry impoundment

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Wait, what is the difference in fly ash slurry v. coal slurry v. Blackwater (coal) ? rkmlai (talk) 00:59, 27 December 2008 (UTC)

Composition
Aren't substances such as lead, arsenic, cadmium, mercury, etc. also found in coal slurry? None of those seem to be mentioned in this article, although many organic compounds are. Badagnani (talk) 00:23, 27 May 2009 (UTC)