Incident date: 2025-01-16
NAICS industry code: 812220

An employee was repairing the hydronic heating system for the building. The employee was standing on a 6-foot ladder to remove a three-way mixing valve from the ceiling pipes and change the valve stem. As the mixing valve was loosened, hot hydronic fluid (water/steam) poured out through the valve stem and splashed onto the employee's skin and clothing. The employee sustained second- and third-degree burns to their chest and stomach. They also sustained first- and second-degree burns on their left hand, arms, and thigh.

Hazard classification:
code_event: title: Contact with hot objects or substances
code_source: title: Water, liquids nonchemical
code_nature: title: Thermal burns  third degree or higher
code_body: title: Multiple trunk locations
severity: moderate