If the thought of radiation worries you, well then there is only one thing to do, get yourself a personal radiation detector, yes this is a personal Geiger counter, it is the SP2 from Thanko. The device can be worn on a belt and it will warn you of increases in radiation, the cumulative radiation dose and naturally the maximum exposure that a human can take, it is not funny, it is quite expensive but one day this device could easily save your life!
These are the features and the details for the Geiger Counter SP2;
The Geiger counter SP2 from Thanko will suit your belt and give you the cumulative radiation dose, the maximum radiation dose rate, cumulative hours of exposure as well as an alarm that you can set with the minimum radiation dose allowed.
Priced at around £700
Source [Geeks Stuff 4U]