With radiation levels high in Japan, radiation exposure is explained | ZDNET
Radiation Hazard Scale | CDC
Background radiation - Wikipedia
AMOUNT OF RADIATION AROUND THE WORLD
Radiation Dispersal from Fukushima, Japan: Radiation Basics | NIOSH | CDC
Comparative radiation effective dose levels in different contexts | Download Scientific Diagram
Orders of magnitude (radiation) - Wikipedia
NEA | Health Effects of Ionising Radiation on People
The DOE Ionizing Radiation Dose Ranges Chart
Radiation | What is Radiation? | ANSTO
Natural background radiation - Canadian Nuclear Safety Commission
Radiation Terms and Units | US EPA
SciELO - Brasil - Radiation exposure in nuclear medicine: real-time measurement Radiation exposure in nuclear medicine: real-time measurement
Nick's Geiger Counter Page
Dose ranges and sources of radiation exposure | Download Table
Natural background radiation - Canadian Nuclear Safety Commission
Radiation 101: What is it, how much is dangerous, and how does Fukushima compare to Chernobyl? - Pure Earth
Radiation dose rates now and in the future for residents neighboring restricted areas of the Fukushima Daiichi Nuclear Power Plant | PNAS
How Radiation in Space Poses a Threat to Human Exploration (Infographic) | Space
Natural background radiation - Canadian Nuclear Safety Commission
How much radiation can a human absorb and still stay alive? - Quora
Bad news': radiation 16 times above normal after forest fire near Chernobyl | Chornobyl nuclear disaster | The Guardian
Ionising radiation and health | ARPANSA
Backgrounder On Biological Effects Of Radiation | NRC.gov
