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The US Chemical Safety and Hazard Investigation Board (CSB) has deployed a team of chemical incident investigators to examine the cause of a release of hydrofluoric acid (HF) that occurred June 7 at the Honeywell facility in Geismar, Louisiana. A worker was seriously injured in the incident. The investigation is the third related to HF that the CSB has begun at the Honeywell facility since 2021. Altogether, the CSB is examining six industrial accidents across the US. In the most recent Honeywell event, a contract maintenance employee was exposed to HF and hospitalized. HF is a toxic and corrosive gas and liquid that is used in refining and chemical manufacturing and has been the subject of several CSB investigations. "This is the third serious incident involving the release of HF at this facility in the last three years. This cannot keep happening," CSB Chairperson Steve Owens says in a statement.
special to C EN Jeff Johnson (Mon,) studied this question.