Fallout gamma-emitting radionuclides in air, precipitation, and the human body up to spring 1967

Gunnar Lindblom

doi:10.3402/tellusa.v21i1.10063

Fallout gamma-emitting radionuclides in air, precipitation, and the human body up to spring 1967

Tellus

Volume 21 (1969): Issue 1

By: Gunnar Lindblom

Open Access

|Jan 1969

Abstract

Results from measurements of some radionuclides (especially cesium-137) in stratospheric air, ground level air, precipitation, and the human body are discussed. First during 1967, four years after the cessation of large scale atmospheric testing in late 1962, the supply of stratospheric cesium-137 to the ground will be balanced by decay of the activity already deposited. Average cesium-137 body burdens have since the maximum values occurred during 1964 been halved in every 1.5 year. Internal and external gamma-doses have been calculated. Measured ratios between some other long-lived radionuclides and cesium-137 are discussed. Some beryllium-7 concentration values are reported.

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