One thought on “What are the limits of exposure to radiation?

  1. Arti says:

    There are natural and artificial sources of ionizing radiation. In underground uranium mines, as well in a few other mines, radiation exposure occurs mainly due to airborne radon gas and its solid short-lived decay products, called radon daughters or radon progeny. The alpha particle dose to the lungs depends on the concentration of radon gas and radon daughters in the air. There are natural and art

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