Uranium Project

Radon Individual Dose Calculator

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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.
"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
worktime: h/year for years, at worker's dose factor of mSv/WLM
indoor occupancy: % of year	for years, at public's dose factor of mSv/WLM
outdoor occupancy: % of year
continuous

       HELP

Result: