- 4.1 - Air Handling Problems
- 4.10 - Snow Storm, Blizzard, or Ice Storm
- 4.11 - Temperature Problems
- 4.12 - Tornado or Other Severe Storms
- 4.13 - Water Supply Interruption
- 4.14 - Other Emergencies and Disasters
- 4.2 - Bomb Threat or Bombing
- 4.3 - Break Ins
- 4.4 - Chemical, Radiation, or Hazardous Materials Spill
- 4.5 - Electrical Power Outage
- 4.6 - Fire
- 4.7 - Flood
- 4.8 - Phone or Paging System Outage
- 4.9 - Protests, Picketing, or Strikes