Footnote
Clasification Society 2024 - Version 9.40

Footnote

There are existing standards for respiratory protection equipment. These standards include: American National Standard for Respiratory Protection (ANSI Z88.2 - 1992); and the British Standard for Respiratory Protection Devices, Valved Filtering Half Masks to Protect Against Gases or Gases and Particles (BS EN 405: 1993).


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