• radiation from radioactive elements that are present in the body as na24, c14, ar41, k40, about 0.39 msv per year
man-made sources of radiation.• Medical equipment such as X-ray radiation. Or radiation used to treat cancer. A source of radiation exposure to the population, the highest man-made sources of radiation. General public to radiation from medical average 0.3 msv per year, taking tomography pulmonary first time, making the exposure to 0.1 msv only
• experimental atomic bomb. It was against this era Thus we get the ray is less than 0.006 msv per year.
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