NDLI: Radioecology around a closed uranium mine

Content Provider	Springer Nature Link
Author	Smodiš, Borut Štrok, Marko Černe, Marko
Copyright Year	2013
Abstract	The uranium mine and mill at Žirovski vrh, Slovenia, operated from 1982 to 1990. After processing, the uranium mill tailings were deposited onto the Boršt waste pile lying close to the mine. Radioecological studies focused on assessing the mobility and bioavailability of deposited radionuclides were initiated some five years ago. The mobility of $^{238}$U, $^{234}$U, $^{230}$Th and $^{226}$Ra in soil was studied by applying sequential extraction protocols. The highest activity concentrations were found at the bottom of the waste pile. Uranium isotopes were the most mobile, followed by $^{226}$Ra whose mobility appeared to be suppressed by high sulphate concentrations and $^{230}$Th. The wetland plants grown in soils contaminated with seepage waters from the tailings contained higher levels of $^{238}$U, $^{226}$Ra and $^{230}$Th compared to plants from a control site. The activity concentration of $^{226}$Ra was the highest in all studied plant species. The radiological risk to wildlife around the mine area as assessed by the ERICA Tool was negligible. Activity concentrations in bovine milk from the area of Žirovski vrh were comparable to the reference location, except for uranium where the content was higher. The combined annual effective dose for adults consuming milk from the Žirovski vrh area is 13.0 ± 1.7 μSv a$^{−1}$.
Starting Page	765
Ending Page	771
Page Count	7
File Format	PDF
ISSN	02365731
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume Number	299
Issue Number	1
e-ISSN	15882780
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-08-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Uranium mine Natural radionuclides Mobility Sequential extraction Wetland plants Milk ERICA Tool Nuclear Chemistry Physical Chemistry Nuclear Physics, Heavy Ions, Hadrons Diagnostic Radiology Inorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Spectroscopy Pollution Health, Toxicology and Mutagenesis Radiology, Nuclear Medicine and Imaging Analytical Chemistry Public Health, Environmental and Occupational Health Nuclear Energy and Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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