Calculate the committed effective dose from inhalation of 1 MBq I-131 (methyl iodide, vapour)

 

 

 

Methyl iodide (CH3I) is allocated to absorption type V (instantaneous absorption to blood after inhalation). As can be seen from the screenshot, the dose coefficient for this compound is 1,96 E-08 Sv/Bq. So the committed effective dose from inhalation of 1 MBq is 19,6 mSv.