1. Background

The amount of airborne material that is inhaled and deposited in the respiratory tract depends on:

(a) The size, shape, and density of the airborne material.

(b) The amount of contaminated air taken in.

(c) The geometry of the respiratory tract, which can differ for each person.

 This report  briefly summarizes information that relates to deposition of airborne radioactive particles, gases, and vapors in the respiratory tract.
 
 

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