Geological interactions and radio-chemical risks of primordial radionuclides 40K, 226Ra, and 232Th in soil and groundwater from potential radioactive waste disposal site in Ghana

被引：18

作者：

Akortia, Eric ^{[1
]}

Glover, Eric T. ^{[1
,2
]}

Nyarku, Mawutorli ^{[2
]}

Dawood, Abdallah M. A. ^{[1
]}

Essel, Paul ^{[1
]}

Sarfo, Evelyn Ofosu ^{[1
]}

Ameho, Evans M. ^{[1
]}

Aberikae, Emmanuel A. ^{[1
]}

Gbeddy, Gustav ^{[1
]}

机构：

[1] Ghana Atom Energy Commiss, Radiat Protect Inst, Radioact Waste Management Ctr, POB LG 80, Legon, Accra, Ghana

[2] Univ Ghana, Sch Nucl & Allied Sci, Coll Sci, Legon, Accra, Ghana

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 328卷 / 02期

关键词：

Natural radioactivity; Radio-chemical risk; Multi-criteria decision making; Gamma spectrometry; Annual gonadal equivalent dose; Annual effective ingestion dose; DRINKING-WATER; NATURAL RADIOACTIVITY; SPATIAL-DISTRIBUTION; COASTAL SEDIMENTS; EASTERN DESERT; HEALTH-RISK; URANIUM; HAZARDS; TAMILNADU; EXPOSURE;

D O I：

10.1007/s10967-021-07675-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This study assessed the influence of geological depth and formation on activity concentrations of Th-232, Ra-226 and K-40 in soil and groundwater, and radio-chemical health risks. Preference ranking organisation method for enrichment evaluation and geometrical analysis for interactive aid indicated significant correlation between Th-232 and K-40, thus indicating potential similar primordial origin. Deepest depth rocks at 145 m and 148 m constituted of dark coloured silicified schist exhibited minimal activity with potential hydro-geological interactions with groundwater. Age-dependent annual effective ingestion dose for Ra-226 and Th-232 are higher than the UNSCEAR reference dose, thus the groundwater is unsuitable for long-term consumption.

引用

页码：577 / 589

页数：13

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