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# Firefighter Turnout Gear Layers, Stressed Textiles

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                        - Wear and Tear May Cause Firefighter Gear to Release More ‘Forever Chemicals’

A firefighter’s protective clothing includes three layers made of different types of textiles. A pair of studies by NIST has found that these textiles often contain potentially cancer-causing chemicals called PFAS and that they can release more of those chemicals when subject to simulated wear and tear.

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