Smithsonian Institution Staff Disaster Preparedness Procedures

While it is an older source, the Smithsonian Institution Staff Disaster Preparedness Procedures provides a great framework for how staff should protect themselves in a variety of situations. Preserving life is always a priority in a disaster. Once people are safe, then collections can be considered.
 

Smithsonian Institution Staff Disaster Preparedness Procedures (1993): https://www.archives.gov/preservation/emergency-prep/disaster-prep-procedures.html