“refused to sign off on the 17 dams and dikes because they adopted more conservative models for their analyses, not because the structures themselves had become more unstable”
Jeesh. Vale needs to send its people to a better school on writing reassuring messages.
The way I read that is: we had some folks rubber stamping safety certificates on unsafe dams but don’t mind that, we have some competent people evaluating our dams now. Same dam but now we know it’s a piece of crap.
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