Some of these are very high energy and potentially dangerous. Exposure to these should be limited. Some radiation exposure is unavoidable, such as the cosmic radiation from space.
Some radiation is permitted for medical or health benefits.
Use the information below to calculate your exposure to radiation for the past calendar year. This is only an estimated value. For each 2500 miles add 1 From Nuclear Fuel Plants Average dose is .1 mrem if there are one or more plants in your state. Virginia has two nuclear plants.