HSE News top headlines: ISEA Warns Against Use of MAE-Requalified Firefighter Breathing Cylinders

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The International Safety Equipment Association (ISEA) is warning firefighters against use of “MAE-requalified” breathing cylinders, citing health and safety concerns and reporting that studies have shown they can leak breathing air. In addition, ISEA reports these requalified breathing cylinders void manufacturer warranties, violate OSHA regulations, and don’t comply with standards from the National Fire Protection Association and NIOSH.

Self-Contained Breathing Apparatus cylinders requalified via the Modal Acoustic Emissions (MAE) process can leak breathing air through the aluminum liner. MAE evaluates the carbon fiber wrap but not the aluminum liner, which could potentially fail by fatigue or corrosion pitting if the cylinder continues to be used past its 15-year design service life.

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