I just checked one of the items from the list, the Air-Aid emergency mask. Upon checking, I discovered this:

Quote:
According to the manufacturer, the mask is effective in protection against: deployment of agents OC, CN, or CS; anthrax, hanta virus, biological attacks, radioactive materials, smoke and fire, toxic chemicals, communicable diseases, noxious odors including decomposition odors, and more.


http://www.emergencymasks.com/category_s/40.htm

This seems very broad. Does anyone know more about this mask?

For one, it seems like you need goggles for effective protection against OC/CN/CS.