BISMARCK, N.D. (KFYR) – Crews at the Mandan Refinery quickly stopped a hydrofluoric acid release Monday morning. It happened at around 8 a.m. Company officials say the release was isolated and nobody was hurt.

Morton County emergency responders say they do not believe the incident posed a threat to the public.

The cause of the release is under investigation.

*Original article online at

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