曲亚斌, 朱炳辉, 余胜兵, 鲁琳, 钟秀华, 何昌云, 潘尚霞, 朱杰民, 黄锦叙. 南方某省5城市水厂供水中抗生素分布特征与健康风险评估[J]. 职业卫生与应急救援, 2018, 36(3): 194-197. DOI: 10.16369/j.oher.issn.1007-1326.2018.03.004
引用本文: 曲亚斌, 朱炳辉, 余胜兵, 鲁琳, 钟秀华, 何昌云, 潘尚霞, 朱杰民, 黄锦叙. 南方某省5城市水厂供水中抗生素分布特征与健康风险评估[J]. 职业卫生与应急救援, 2018, 36(3): 194-197. DOI: 10.16369/j.oher.issn.1007-1326.2018.03.004
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QU Yabin, ZHU Binghui, YU Shengbing, LU Lin, ZHONG Xiuhua, HE Changyun, PAN Shangxia, ZHU Jiemin, HUANG Jinxu. Distribution characteristics of selected antibiotics in urban water supply systems in 5 southern cities and their potential health risk analysis[J]. Occupational Health and Emergency Rescue, 2018, 36(3): 194-197. DOI: 10.16369/j.oher.issn.1007-1326.2018.03.004
Citation: QU Yabin, ZHU Binghui, YU Shengbing, LU Lin, ZHONG Xiuhua, HE Changyun, PAN Shangxia, ZHU Jiemin, HUANG Jinxu. Distribution characteristics of selected antibiotics in urban water supply systems in 5 southern cities and their potential health risk analysis[J]. Occupational Health and Emergency Rescue, 2018, 36(3): 194-197. DOI: 10.16369/j.oher.issn.1007-1326.2018.03.004
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南方某省5城市水厂供水中抗生素分布特征与健康风险评估

Distribution characteristics of selected antibiotics in urban water supply systems in 5 southern cities and their potential health risk analysis

    摘要
  • 摘要:
    目的 建立饮用水中典型抗生素测定方法, 并应用于城市供水中抗生素浓度水平测定与健康风险评估。
    方法 选择南方某省5个城市监测水厂作为研究对象, 采用固相萃取和超高效液相色谱串联质谱法测定水源水、出厂水、末梢水中48种抗生素分布情况, 并利用风险商法评价抗生素通过饮用水途径所致人体健康风险。
    结果 水源水检出15种抗生素, 水样抗生素总质量浓度为63.31~114.74 ng/L (平均85.27 ng/L)。各水厂供水中检出6种抗生素, 其中出厂水抗生素总质量浓度为0.86~7.15 ng/L (平均2.96 ng/L); 末梢水中抗生素总质量浓度为0~8.08 ng/L (平均3.28 ng/L)。经过氯化、消毒等水处理工艺, 水源水中抗生素去除率为96.52%, 其中β-内酰胺类、林可酰胺类和磺胺类完全去除。各水厂供水健康风险商处于较低水平。
    结论 监测点水厂供水中仅检出痕量抗生素, 不会对人体产生健康危害。

     

    Abstract:
    Objective The typical antibiotics in drinking water were determined to evaluate the distribution characteristics and health risk of antibiotics in urban water supply systems.
    Methods The source water, finished water and tap water were collected from 5 drinking water treatment plants located in south China.The 48 kinds of antibiotics in water were detected by methods of solid-phase extraction (SPE) and ultra-performance liquid chromatography-tandem mass spectrum (UPLC-MS/MS).Risk Quotients were calculated to assess the health risk of antibiotics pollution in the drinking water.
    Results Totally 15 antibiotics were detected in the source water, and the total concentrations were in range of 63.31-114.74 ng/L (average level was 85.27 ng/L).Six antibiotics were detected in the water supply systems, and the total concentrations were in range of 0.86-7.15 ng/L (average level was 2.96 ng/L) in the finished water, and the total concentrations were in range of 0-8.08 ng/L (average level was 2.96 ng/L) in the tap water.The water-treatment processes of chlorine disinfection could efficiently remove 96.52% antibiotics, and β-lactams, lincosamides and sulfanilamides could be removed completely.The total health risk caused by antibiotics in drinking water supplied by these plants was very low.
    Conclusion Only a trace number of antibiotics were detected in the water supply plant, which won't cause obvious health hazard to the human body.

     

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