Dippong Thomas, Resz Maria-Alexandra
Faculty of Science, Technical University of Cluj-Napoca, 76 Victoriei Street, 430122 Baia Mare, Romania.
INCDO-INOE 2000, Subsidiary Research Institute for Analytical Instrumentation, 67 Donath Street, 400293 Cluj-Napoca, Romania.
Toxics. 2024 Feb 22;12(3):168. doi: 10.3390/toxics12030168.
Chemical data compiled from field and laboratory studies were analysed on drinking water sources from a mountain area (Gutai Mountains) in Romania. Six physico-chemical indicators, nine anions, and twenty-one metals were determined and analysed. The results of this study showed that waters are generally rich in NH and NO, exceeding the recommended limit of 0.5 mg NH/L, while some waters are rich in As, Cd, Mn and Pb, but with concentrations below the limits concerning the use of waters with drinking purposes. The applied heavy metal pollution indices (scores: 0.56-47.9) indicate that more than 50% of samples are characterized by medium pollution degrees. Based on the results obtained, it was determined that geological and human activities were influential in enriching the studied waters with the chemicals considered. Emphasizing this aspect related to pollution sources and the importance of a clean chemical status that must characterize waters used for drinking purposes, a human health risk assessment for heavy metals was implemented. The results indicated that even though the studied waters are rich in heavy metals, scores related to the risk assessment of heavy metals indicated a lack of non-carcinogenic risks for As, Mn, Cd and Cu. Nevertheless, this study and the results obtained are significant at national and international levels by offering a perspective on determining the potential pollution and associated human health risks at heavy metals in drinking water sources from a mountain area.
对罗马尼亚山区（古泰山脉）饮用水源的野外和实验室研究收集的化学数据进行了分析。测定并分析了6项理化指标、9种阴离子和21种金属。本研究结果表明，水体中NH和NO普遍含量较高，超过了0.5mg NH/L的推荐限值，而一些水体中As、Cd、Mn和Pb含量较高，但浓度低于饮用水使用的相关限值。所应用的重金属污染指数（分数：0.56 - 47.9）表明，超过50%的样品具有中等污染程度。根据获得的结果，确定地质和人类活动对所研究水体中所考虑的化学物质的富集有影响。强调与污染源相关的这一方面以及清洁化学状态对于饮用水的重要性，开展了重金属对人体健康风险评估。结果表明，尽管所研究的水体富含重金属，但与重金属风险评估相关的分数表明，As、Mn、Cd和Cu不存在非致癌风险。然而，本研究及其结果在国家和国际层面都具有重要意义，为确定山区饮用水源中重金属的潜在污染及相关人体健康风险提供了一个视角。
