LOS ANGELES - INCLUDE RADIOS: Subsection (g), Use of Respirators, covers procedures for proper use, including those for respirator use in IDLH atmospheres or in interior structural firefighting.For all IDLH atmospheres, (g)(3)(B) requires maintenance of visual, voice or signal line communication between employee(s) inside and those outside. Mitchell said radio communication should be added as the NFPA does.OUTSIDE RESCUERS: Note 1 under (g)(4)(C) names people located outside the IDLH atmosphere w
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