PPE CASE – Evaluation of Two Self-Contained Breathing Apparatus Involved in a Fatality in the Fire Service

Worcester Fire Department requested the evaluation of two Scott® Safety Air-Pak® Model 75, 45 minute, 4500 psi units

March 2019
NPPTL Report Number TN-22942

NIOSH received two SCBAs used by a fire fighter involved in a fatality. The SCBAs were not found to contribute to the fatality.

A qualified service technician must inspect, repair, test, clean, and replace damaged components of any SCBA. involved in an incident before it may be returned to service.

Cover page for TN-22942

This report provides a summary of NPPTL’s inspection and evaluation methods, and findings for two SCBAs that were used by the Worcester Fire Department fire fighter during a fatal event. The SCBAs were the Scott® Safety Air-Pak® Model 75 4.5, 45 minute, 4500 psi units. The NIOSH Division of Safety Research (NIOSH DSR) and the Worcester Fire Department were advised that NIOSH NPPTL would provide a written report of the investigation and any applicable test results.


Worcester Fire Department requested the evaluation of two Scott® Safety Air-Pak® Model 75, 45 minute, 4500 psi units [PDF – 10 MB]

Suggested Citation

NIOSH [2019]. PPE CASE: Evaluation of Two Self-Contained Breathing Apparatus Involved in a Fatality in the Fire Service. By Jay Tarley and Angie Andrews. Evaluation and Testing Branch, National Personal Protective Technology Laboratory, National Institute for Occupational Safety and Health, Morgantown, West Virginia, NPPTL TN-22942.