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Career Part-Time Fire Fighter Dies After Being Struck by Pressurized SCUBA Cylinder - Ohio										Related Pages
										FF ShieldDeath in the Line of Duty...A summary of a NIOSH fire fighter fatality investigation
F2018-10 Date Released: March 7, 2019

Executive Summary
On June 24, 2018, a 33-year-old male career part-time fire fighter (Fire Fighter 2) died after being struck in the head by a pressurized compressed-air self-contained underwater breathing apparatus (SCUBA) cylinder. Fire Fighter 2 was working his regular shift at Station 22 and was assisting Fire Fighter 1 and an off-duty captain with the inspection of a lot of 22 used SCUBA cylinders. The SCUBA cylinders had been recently privately purchased by members of the fire department’s dive rescue team. The cylinders were all used and all had expired hydrostatic retest dates stamped on the cylinders. The fire fighters were draining the air from the cylinders and removing the cylinder valves so that the cylinders could be sent out to be hydrostatically retested and requalified. Some of the cylinder valves were stuck shut preventing the fire fighters from bleeding off the cylinders’ contents through the cylinder valve. In order to bleed off the cylinder contents from the cylinders with the stuck valves, Fire Fighter 1 was instructed to loosen the pressure-relief burst disc plugs on the cylinder valves approximately 1 1⁄2 to 2 turns, while Fire Fighter 2 assisted the captain in removing cylinder valves from the empty cylinders. During this process, one of the pressure-relief plugs separated from the valve body which created an unrestricted oriface through which the cylinder contents vented. The unsecured cylinder began to spin, rotate and bounce off the engine bay floor until it became an airborne projectile. The airborne cylinder struck a concrete block wall, causing the cylinder valve body to shear off, resulting in a larger oriface for the cylinder contents to vent through. The cylinder was projected off the concrete block wall diagonally across the engine bay where it struck the right rear corner (officer side) of the engine, then glanced off the engine striking Fire Fighter 2 in the head. The other two fire fighters immediately began to administer first aid to the fallen fire fighter. Fire Fighter 1 called dispatch for an air medic helicopter and an ambulance. Within minutes, Fire Fighter 2 was transported via helicopter to a regional trauma hospital where he was pronounced dead.

Contributing Factors
*Unsecured pressurized SCUBA cylinder*
*Unknown hazards associated with old, out-of-date cylinders with stuck valves*
*Limited training and experience on the task*
*Non-routine maintenance on pressurized SCUBA cylinders*
*Selection, care and maintenance of SCUBA equipment*
*Inadequate risk versus gain analysis.*Key Recommendations
*Fire departments should ensure that pressurized cylinders of all types are properly stored, handled and maintained in a safe manner following the manufacturer’s recommendations and industry best practices by qualified and properly trained individuals.*
*Fire departments should follow guidance provided by NFPA 1852 Standard on Selection, Care, and Maintenance of Open-Circuit Self-Contained Breathing Apparatus (SCBA) and apply it to self-contained underwater breathing apparatus (SCUBA).*Additionally, federal, state, local, and municipal governments, standards-setting organizations and authorities having jurisdiction should:
*Consider developing and adopting a national standard on public safety dive teams and public safety dive operations including guidelines for the selection, care and maintenance of SCUBA equipment.*

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						Page last reviewed:  May 15, 2019					Content source: 	National Institute for Occupational Safety and Health homeFire Fighter Fatality Investigation and Prevention Program (FFFIPP)
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