Nevada Administrative Code (Last Updated: January 6, 2015)

NAC459.0245. “Class” defined.

Latest version.

“Class” means a system of classification for inhaled radioactive material based on its rate of clearance from the pulmonary region of the lung, whereby radioactive materials are classified as either D, W or Y according to the following ranges of clearance half-times:

     1. Class D, less than 10 days;

     2. Class W, from 10 to 100 days; and

     3. Class Y, more than 100 days.

(Added to NAC by Bd. of Health, eff. 1-18-94)

                    
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