US Department of Homeland Security recommended emergency supplies for businesses and schools include the following:
Water, amounts for portable kits will vary. Individuals should determine what amount they are able to both store comfortably and to transport to other locations. If it is feasible, store one gallon of water per person per day, for drinking and sanitation
Food, at least a three-day supply of non-perishable food
Battery-powered radio and extra batteries
Flashlight and extra batteries
First Aid kit
Whistle to signal for help
Dust or filter mask readily available in hardware stores, which are rated based on how small a particle they filter
Moist towelettes for sanitation
Wrench or pliers to turn off utilities
Can opener for food (if kit contains canned food)
Plastic sheeting and duct tape to seal the room
Garbage bags and plastic ties for personal sanitation
OUR KITS meet or exceed Recommendations of the Homeland Security Department