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私人,公共和瓶装饮用水:共享污染物混合物暴露和影响挑战

Paul M Bradley¹, Kristin M Romanok², Kelly L Smalling²

¹U.S. Geological Survey, Columbia, SC, USA.

Environment international

|December 30, 2024

概括

饮用水 (DW) 中的污染物混合物在私人自来水,公共自来水和瓶装水 (BW) 中构成类似的人类健康风险. 这项研究强调了需要更好地了解和监管DW污染物的必要性.

科学领域:

环境科学环境科学
毒理学毒理学毒理学
公共卫生公共卫生

背景情况:

人类是全球环境污染物暴露的主要来源,影响饮用水供应.
在美国,使用点DW (POU-DW) 来自私人自来水 (TW),公共TW和瓶装水 (BW).
水源管理,监测和公共信息的变化会导致水质和安全的感知和实际差异.

研究的目的:

进行POU-DW污染物混合物暴露的元分析.
评估私人TW,公共TW和BW的潜在人类健康影响.
汇总暴露数据并协调从以前的研究中预测的健康影响.

主要方法:

对POU-DW的现有曝光数据的元分析.
协调峰-健康-基准-加权和生物活性加权效应预测.
污染物混合物暴露和健康风险的定量综合.

主要成果:

对多种无机和有机污染物的同时暴露在所有三种DW供应中都是常见的.
在每个DW供应类型中,污染物暴露存在显著的变化.
在私人TW,公共TW和BW之间没有发现预测的累积人类健康风险的系统差异.

结论:

污染物暴露对人类健康的风险在包括瓶装水 (BW) 在内的所有三种DW供应中都是可比的.
该研究的分析覆盖范围虽然广泛,但可能低估了DW中环境污染物的全部范围.
更好地了解长期的低水平污染物混合物效应和提高公众对水保护的参与度至关重要.

关键词:

瓶装水瓶装水是什么意思污染物混合物污染物混合物饮用水饮用水饮用水无机物质是一种无机物质.有机物有机物有机物使用点的使用点.私人供应提供私人供应.公共供应提供公共供应.

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