There are many sources of radiation exposure both natural and man-made. This section examines the different sources and their risks, including the 500 mR/yr of man-made radiation “allowed” by the NRC.
For a discussion of the downwind exposure of the population to fallout from the Trinity test see the following article:
Residents Downwind of Trinity Site Seek Compensation
There is an excellent website which lists many if not most of the radionuclides which have come to contaminate our environment and the biosphere as a result of the mining, milling and transporting of uranium ore; the refining, enriching, and irradiating of uranium in reactors; the reprocessing of irradiated uranium fuel to separate out the accumulated plutonium; and the various disposal schemes for dealing with radioactive uranium spent fuel together with its decay products, fission products, neutron activation products and transuranics.
Canadian Coalition for Nuclear Responsibility