A term used to refer collectively to the immediate products of the radon decay chain. These include Po-218, Pb-214, Bi-214, and Po-214, which have an average combined half-life of about 30 minutes.
Information and definitions of the terms been taken from
various reliable government publications and we have done
our best to verify their accuracy. If you feel any of the
definitions are incorrect or needs to be updated please
contact us and we will look into it.
