Incident date: 2025-04-22
NAICS industry code: 237120

On April 22, 2025, at approximately 6:35 p.m., an employee was working on a turnaround project. The crew was venting off nitrogen from an 18-inch pipeline into a 2-inch silencer vessel. The 18-inch pipe was pressurized with nitrogen gas at approximately 1200 psig. The silencer suddenly ruptured and its internal components were blown away. The shell of the silencer struck downward, landed on the employee's left hand due to high pressure, and lacerated the employee's left index finger resulting in amputation. The employee's left wrist was also broken.

Hazard classification:
code_event: title: Explosion of pressure vessel, piping, or tire
code_source: title: Machinery  unspecified
code_nature: title: Amputations involving bone loss
code_body: title: Other finger(s)  n.e.c.
severity: high