With over 900 combinations of known explosive hazards to potentially render safe, bomb technicians in the U.S. face a daunting task of selecting the "best" option and "best" configuration to render safe a given explosive threat while maximizing evidence preservation. ...
3/30 Rule - what it really says
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This is the authoritative UPDATED 2003 guidance. When CBRN-certified protective ensembles (Level A suits) are not available, the mission of protected rescuers is to rescue live victims, nothing more. This document provides important caveats that an IC should be aware of when considering a lower level of PPE in an incident that potentially involves CWAs.