Plutonium and other alpha-emitters in bones of wild, herbivorous animals from north-eastern Poland
Plutonium and other alpha-emitters in bones of wild, herbivorous animals from north-eastern Poland
The results of the investigation of 239+240Pu, 241Am and thorium isotope activity concentrations in bones of wild herbivorous animals (deer, roe-deer, boars, elks) from north-eastern Poland are presented. The area on which the animals were living had relatively high Chernobyl plutonium fallout. Possible traces of plutonium were seen only in four samples, but only for one it was it 3σ above background, at 6.2 ± 2.4 mBq/kg (ash). The activity concentration was below the detection limits in all samples. The maximum 228Th concentration in the samples was 7.81 ± 0.44 Bq/kg (ash), calculated under the assumption of 100% thorium recovery. This isotope seems to originate in bones not from direct incorporation but from the decay of 228Ra. Large variations in activity concentration wose observed, as well as some differences between boars and the chewing animals.
251-7
Mietelski, Jerzy W.
bbfd3aba-e8d7-4763-80d7-07176c464b19
Gaca, Pawel
3d23473d-db81-436a-a12d-ad707db4abc8
Jasinska, Maria
0d0ef4df-6f98-46dc-909a-0d76e003a13b
2000
Mietelski, Jerzy W.
bbfd3aba-e8d7-4763-80d7-07176c464b19
Gaca, Pawel
3d23473d-db81-436a-a12d-ad707db4abc8
Jasinska, Maria
0d0ef4df-6f98-46dc-909a-0d76e003a13b
Mietelski, Jerzy W., Gaca, Pawel and Jasinska, Maria
(2000)
Plutonium and other alpha-emitters in bones of wild, herbivorous animals from north-eastern Poland.
Applied Radiation and Isotopes, 53 (1-2), .
(doi:10.1016/S0969-8043(00)00140-8).
Abstract
The results of the investigation of 239+240Pu, 241Am and thorium isotope activity concentrations in bones of wild herbivorous animals (deer, roe-deer, boars, elks) from north-eastern Poland are presented. The area on which the animals were living had relatively high Chernobyl plutonium fallout. Possible traces of plutonium were seen only in four samples, but only for one it was it 3σ above background, at 6.2 ± 2.4 mBq/kg (ash). The activity concentration was below the detection limits in all samples. The maximum 228Th concentration in the samples was 7.81 ± 0.44 Bq/kg (ash), calculated under the assumption of 100% thorium recovery. This isotope seems to originate in bones not from direct incorporation but from the decay of 228Ra. Large variations in activity concentration wose observed, as well as some differences between boars and the chewing animals.
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Published date: 2000
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Local EPrints ID: 488126
URI: http://eprints.soton.ac.uk/id/eprint/488126
ISSN: 0969-8043
PURE UUID: 9d2c97de-e1ac-4aed-b247-d822ebf37d2f
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Date deposited: 16 Mar 2024 15:13
Last modified: 16 Mar 2024 15:13
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Author:
Jerzy W. Mietelski
Author:
Maria Jasinska
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