ASSESSMENT OF GROSS ALPHA, GROSS BETA RADIOACTIVITY AND HEAVY METALS CONCENTRATION IN SOIL SAMPLES IN WUKARI, TARABA STATE

European Journal of Physical Sciences Pub Date : 2019-11-25 DOI:10.47672/ejps.432

Mgbukwu Matthew Uchenna, Fred Rimamsiwe, Odoh Christopher Mmaduabuchi, Buraimoh Samuel Osaretin

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Abstract

This study is aimed at assessment of gross alpha, gross beta radioactivity and heavy metals concentration in soil samples. It involves ten (10) different locations in Wukari, Taraba state. The analyses included gross alpha and beta radioactivity using MPC-2000-DP and the measurement of heavy metals concentration using Atomic Absorption Spectroscopy (AAS). The results obtained showed that the gross alpha activities ranged from (0.0027±0.0003- 0.0177±0.0001) Bq/g while the gross beta ranged from (0.0125±0.0020-0.2379±0.0012) Bq/g .The present study indicates that the nature of soil in the study area has a very low level radiation. Measured values of gross alpha contamination in soil samples collected from different locations in the study area were found below the permissible range of WHO. The total heavy metals Cu, Pb, Zn, Co,Fe were evaluated in the soil samples. Based on the findings concentrations of these soils were analyzed showed significantly higher concentrations which follow the order Pb˃Fe˃Cu˃Co˃Zn, comparing with WHO standards guidelines, the results revealed that food samples planted on this soil could be disastrous to human health

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塔拉巴州乌卡里土壤样品中总α、总β放射性和重金属浓度的评估

本研究旨在评估土壤样品的总α、总β放射性和重金属浓度。它涉及塔拉巴州乌卡里的10个不同地点。使用MPC-2000-DP进行总α和β放射性分析，使用原子吸收光谱(AAS)测量重金属浓度。结果表明，总α活性范围为(0.0027±0.0003 ~ 0.0177±0.0001)Bq/g，总β活性范围为(0.0125±0.0020 ~ 0.2379±0.0012)Bq/g，表明研究区土壤具有极低水平的辐射。从研究区域不同地点收集的土壤样本中总α污染的测量值低于世卫组织的允许范围。测定了土壤样品中重金属Cu、Pb、Zn、Co、Fe的总含量。结果表明，土壤中Pb、Fe、Cu、Co、Zn的浓度顺序明显高于世界卫生组织(WHO)标准，表明在该土壤中种植的食品样品可能对人体健康造成灾难性影响

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European Journal of Physical Sciences

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