Trace Element Composition of Surface Water in Almaty City and Human Health Risk Assessment.

3区 综合性期刊
Marina Krasnopyorova, Igor Gorlachev, Pavel Kharkin, Dmitriy Zheltov, Mariya Severinenko, Adilzhan Serikov
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Abstract

This investigation meticulously examined the elemental composition of 64 water samples collected during the seasons of spring, summer, autumn, and winter of the year 2023. The average seasonal concentrations of arsenic (As), beryllium (Be), cobalt (Co), cadmium (Cd), copper (Cu), lithium (Li), molybdenum (Mo), nickel (Ni), lead (Pb), selenium (Se), uranium (U), mercury (Hg), aluminum (Al), barium (Ba), chromium (Cr), iron (Fe), manganese (Mn), strontium (Sr), vanadium (V), zinc (Zn), calcium (Ca), potassium (K), magnesium (Mg), sodium (Na), and chlorine (Cl) as well as SO4 and dry residue were computed at 16 strategically selected sites along the Bolshaya and Malaya Almatinka, Esentai, and Kargalinka rivers situated in Almaty. The sampling locations were categorized into three distinct sectors: upper (adjacent to mountainous regions), middle (urban zone), and lower (exceeding city limits), thereby facilitating the examination of discrepancies in water quality and elemental concentrations. The results reveal that surface water resources in Almaty, particularly concerning As, Ni, Cr, U, and Pb, may present a considerable carcinogenic risk if utilized for consumption purposes. This is especially alarming given that these rivers constitute a vital source of drinking water for the inhabitants of the city. Specifically, at two sampling locations along the Bolshaya and Malaya Almatinka rivers in proximity to significant urban thoroughfares, untreated river water displayed an elevated carcinogenic risk (CR ~ 10-2). These results highlight the urgent necessity for enhanced water treatment and ongoing monitoring to safeguard public health.

阿拉木图市地表水的微量元素组成与人类健康风险评估。
本次调查对 2023 年春、夏、秋、冬四季采集的 64 份水样的元素组成进行了细致研究。砷 (As)、铍 (Be)、钴 (Co)、镉 (Cd)、铜 (Cu)、锂 (Li)、钼 (Mo)、镍 (Ni)、铅 (Pb)、硒 (Se)、铀 (U)、汞 (Hg)、铝 (Al)、钡 (Ba)、铬 (Cr)、铁 (Fe)、锰 (Mn)、锶 (Sr)、钒 (V)、锌 (Zn)、钙 (Ca)、钾 (K)、镁 (Mg)、钠 (Na)、氯 (Cl) 以及二氧化硫和干残渣。采样地点被分为三个不同的区域:上游(邻近山区)、中部(城市区域)和下游(超出城市范围),从而便于检查水质和元素浓度的差异。研究结果表明,阿拉木图的地表水资源,尤其是砷、镍、铬、铀和铅,如果用于饮用,可能会有相当大的致癌风险。鉴于这些河流是该市居民的重要饮用水源,这种情况尤其令人担忧。具体而言,在博尔沙亚河和马拉雅-阿拉木图卡河沿岸靠近重要城市干道的两个采样点,未经处理的河水显示出较高的致癌风险(CR ~ 10-2)。这些结果突出表明,迫切需要加强水处理和持续监测,以保障公众健康。
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来源期刊
自引率
0.00%
发文量
14422
期刊介绍: International Journal of Environmental Research and Public Health (IJERPH) (ISSN 1660-4601) is a peer-reviewed scientific journal that publishes original articles, critical reviews, research notes, and short communications in the interdisciplinary area of environmental health sciences and public health. It links several scientific disciplines including biology, biochemistry, biotechnology, cellular and molecular biology, chemistry, computer science, ecology, engineering, epidemiology, genetics, immunology, microbiology, oncology, pathology, pharmacology, and toxicology, in an integrated fashion, to address critical issues related to environmental quality and public health. Therefore, IJERPH focuses on the publication of scientific and technical information on the impacts of natural phenomena and anthropogenic factors on the quality of our environment, the interrelationships between environmental health and the quality of life, as well as the socio-cultural, political, economic, and legal considerations related to environmental stewardship and public health. The 2018 IJERPH Outstanding Reviewer Award has been launched! This award acknowledge those who have generously dedicated their time to review manuscripts submitted to IJERPH. See full details at http://www.mdpi.com/journal/ijerph/awards.
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