Environmental impact assessment of post illegal mining activities in Chini Lake with regards to natural radionuclides and heavy metals in water and sediment
Comprehensive radiological survey and evaluation of heavy metal contamination were conducted in Chini Lake, which has been awarded a pristine title of Biosphere Reserve. The concentrations of 226 Ra, 228 Ra, and 40 K in sediments exceeded the average soil in Malaysia. Besides, the concentration of A...
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Veröffentlicht in: | Journal of radioanalytical and nuclear chemistry 2021-12, Vol.330 (3), p.667-683 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Comprehensive radiological survey and evaluation of heavy metal contamination were conducted in Chini Lake, which has been awarded a pristine title of Biosphere Reserve. The concentrations of
226
Ra,
228
Ra, and
40
K in sediments exceeded the average soil in Malaysia. Besides, the concentration of As, V, and Zn in sediments were greater than the Dutch/Malaysian target values. Results showed that the annual effective dose equivalent (AEDE) values of sediments were slightly higher than 1 mSv/y. The pollution indices indicated that the sediments were moderately to severely contaminated. Oral consumption of the lake water could cause substantial radiation-related health issues. |
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ISSN: | 0236-5731 1588-2780 |
DOI: | 10.1007/s10967-021-08049-4 |