I could be wrong, but based on news this morning it was my understanding that it in fact had a concrete "tertiary" containment including a dry and wet-well. Th

I could be wrong, but based on news this morning it was my understanding that it in fact had a concrete "tertiary" containment including a dry and wet-well. There were apparently some minor inaccuracies in what he wrote, which were pointed out by HN readers. Not that any of this is terribly relevant now.