✍ Scribed by W. Stachowicz; J. Michalik; G. Burlinska; J. Sadło; A. Dziedzic-Gocławska; K. Ostrowski
No coin nor oath required. For personal study only.
The exposure of waters to ionizing radiation from radionuclides imprisoned in dumped nuclear waste containers, freed in nuclear submarine accidents or released in underwater magma eruptions are difficult to be evaluated by conventional radiometric methods. Ionizing radiation evokes stable paramagnetic centers in crystalline lattice of mineral components in bone skeletons of mammals and fishes as well as in exoskeletons of mollusca. They give rise in e.p.r, to specific, extremely stable signals which are proposed to be applied as indicators of radiation exposure levels.
In present study the e.p.r, detection limits of the dose of ionizing radiation absorbed in shells of fresh water and marine mollusca (selected species) have been estimated. It has been found that with fresh water mollusca the dose of 1-2 Gy can be detected, while the sea water mollusca by one order of magnitude lower, i.e. about 0.1 Gy.
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