Incident date: 2025-07-07
NAICS industry code: 811192

An employee was washing the tunnel equipment area using a sprayer and a chemical containing 5-10% hydrofluoric acid. The chemical seeped into his clothing and caused chemical burns to his abdomen and upper thighs. 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: Trunk and other lower extremities
severity: moderate