One of our Facebook followers asked: 3-30 Rule again, please?
Development of the “3/30 Rule” first began in February 1998 and was released
by the U.S. Army Soldier & Biological Chemical Command (SBCCOM) in August
The 3-30 is technical slang for a document that is actually called Guidelines for Incident Commander's Use of Firefighter Protective Ensemble with Self Contained Breathing Apparatus For Rescue Operations During A Terrorist Chemical Agent Incident.
In short the document created two "rules" for firefighters to follow when responding to a terrorist attack where chemical weapons have been used.
(3) "Self-taped turnout gear with SCBA provides sufficient protection in an unknown nerve agent environment for a three-minute reconnaissance to search for living victims (or a two-minute reconnaissance if HD — distilled sulfur mustard agent — is suspected." (Chief John Eversole – Fire Chief Magazine)
(30) "Standard turnout gear with SCBA provides a first responder with sufficient protection from nerve agent vapor hazards inside interior or downwind areas of the hot zone to allow 30 minutes of rescue time for known live victims. " (Chief John Eversole – Fire Chief Magazine)
Here's couple articles I quoted if you want to read more about it:
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