Tag Archives: microsievert

Background Radiation

Screen captures from the documentary Pandora’s Promise

The sievert (Wikipedia)
1 Sv = 1 joule/kilogram – a biological effect. The sievert represents the equivalent biological effect of the deposit of a joule of radiation energy in a kilogram of human tissue.

Background radiation is measured in microsieverts per hour (one millionth of a sievert).

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