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Radon Individual Dose Calculator

(last updated 5 Feb 2018)

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For educational purposes only. No warranty.

Calculate the radiation dose rate, dose, and health risk for an individual exposed to a known concentration of radon and its decay products.

Enter the parameters and click the "Calculate" button below. HELP

"t" means metric tonne.

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Radon-222 Input Data Number Unit Equilibrium Factor Risk Factor Bq/m3

pCi/l

indoors/work:

outdoors: per WLM MBqh/(m3a)

Bq/m3 EEC

pCi/l EEC

µJ/m3

nJ/m3

MeV/cm3

WL WLM/a

mJh/(m3a)

MBqh/(m3a) EEC

Occupancy and Dose Factor Worker's worktime: h/year for:

years at worker's dose factor of: mSv/WLM (indoor, and in underground mines) mSv/WLM (indoor involving substantial physical activity,

and in tourist caves) Resident's occupancy: % of year (indoor) % of year (outdoor) continuous for:

years at public's dose factor of:

mSv/WLM HELP Result: