Incident date: 2025-02-21
NAICS industry code: 334413

On February 21, 2025, an employee was assisting a contractor with the repair of a broken drip leg (90-degree PVC fitting) in the exhaust ventilation duct of the subfab. The employee was exposed to hydrofluoric acid that dropped from the exhaust onto the back of his right thumb. The employee experienced severe burning pain in his right thumb and hand, swelling throughout his hand, and chest pain. The employee was hospitalized.

Hazard classification:
code_event: title: Exposure through intact tissue
code_source: title: Hydrofluoric acid
code_nature: title: Chemical burns, corrosions  degree unspecified
code_body: title: Thumb(s)
severity: moderate