尼日利亚西南部一个主要水泥生产区附近的Ofada水稻(Oryza Sativa Japonica)及其相关农田土壤的天然放射性和健康风险评估

IF 1.5 3区 化学 Q3 CHEMISTRY, ANALYTICAL
Kolawole E. Adesina, Shamsideen K. Alausa
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引用次数: 0

摘要

水泥生产会释放自然产生的放射性物质,污染作物和土壤,并构成健康风险。本研究评估了尼日利亚伊贝塞一家水泥厂附近的Ofada水稻和农田土壤中的放射性核素浓度和健康风险。使用伽马能谱法分析了来自Eggua, Igbogila和Sawonjo的60个样本。40K、226Ra和232Th在水稻中的平均活性浓度分别为12.5±11.2、26.7±60.0和5.5±2.8 Bq/kg (Eggua);134.3±66.7,47.8±24.3,2.0±1.6 Bq /公斤(Igbogila);和78.0±2.43,11.2±3.9,11.5±2.5 Bq /公斤(Sawonjo)。土壤浓度分别为73.0±45.1、14.5±10.8和5.6±3.8 Bq/kg (Eggua);73.0±59.5,9.6±7.8,5.1±1.9 Bq /公斤(Igbogila);和33.2±27.9,8.5±12.5,5.9±2.2 Bq /公斤(Sawonjo)。水稻的最高有效剂量(510.8±206µSv/y)和癌症风险在伊博吉拉,超过了UNSCEAR的限制。Igbogila土壤暴露与水稻摄取量之间存在轻微关系(r = 0.125)。水稻中的放射性核素水平超过土壤,表明生物积累。结果突出了健康风险,需要监测、缓解和提高公众意识。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An assessment of natural radioactivity and health risk in Ofada rice (Oryza Sativa Japonica) and associated farmland soils near a major cement production zone in SW Nigeria

Cement production releases naturally occurring radioactive materials, contaminating crops and soil and posing health risks. This study assessed radionuclide concentrations and health risks in Ofada rice and farm soils near a cement plant in Ibese, Nigeria. Sixty samples from Eggua, Igbogila, and Sawonjo were analyzed using gamma spectrometry. Mean activity concentrations of 40K, 226Ra, and 232Th in rice were 12.5 ± 11.2, 26.7 ± 60.0, and 5.5 ± 2.8 Bq/kg (Eggua); 134.3 ± 66.7, 47.8 ± 24.3, and 2.0 ± 1.6 Bq/kg (Igbogila); and 78.0 ± 2.43, 11.2 ± 3.9, and 11.5 ± 2.5 Bq/kg (Sawonjo). Soil concentrations were 73.0 ± 45.1, 14.5 ± 10.8, and 5.6 ± 3.8 Bq/kg (Eggua); 73.0 ± 59.5, 9.6 ± 7.8, and 5.1 ± 1.9 Bq/kg (Igbogila); and 33.2 ± 27.9, 8.5 ± 12.5, and 5.9 ± 2.2 Bq/kg (Sawonjo). The highest effective dose in rice (510.8 ± 206 µSv/y) and cancer risks were in Igbogila, exceeding UNSCEAR limits. A slight relationship (r = 0.125) was observed between soil exposure and rice ingestion in Igbogila. Radionuclide levels in rice exceeded soil, indicating bioaccumulation. Results highlight health risks, necessitating monitoring, mitigation, and public awareness.

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来源期刊
CiteScore
2.80
自引率
18.80%
发文量
504
审稿时长
2.2 months
期刊介绍: An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.
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