Predictions of groundwater PFAS occurrence at drinking water supply depths in the United States

IF 44.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Pub Date : 2024-10-24 DOI:10.1126/science.ado6638

Andrea K. Tokranov, Katherine M. Ransom, Laura M. Bexfield, Bruce D. Lindsey, Elise Watson, Danielle I. Dupuy, Paul E. Stackelberg, Miranda S. Fram, Stefan A. Voss, James A. Kingsbury, Bryant C. Jurgens, Kelly L. Smalling, Paul M. Bradley

引用次数: 0

Abstract

Per- and polyfluoroalkyl substances (PFAS), known colloquially as “forever chemicals”, have been associated with adverse human health effects and have contaminated drinking water supplies across the United States owing to their long-term and widespread use. People in the United States may unknowingly be drinking water that contains PFAS because of a lack of systematic analysis, particularly in domestic water supplies. We present an extreme gradient boosting model for predicting the occurrence of PFAS in groundwater at the depths of drinking water supply for the conterminous United States. Our model results indicate that 71 to 95 million people in the conterminous United States potentially rely on groundwater with detectable concentrations of PFAS for their drinking-water supplies prior to any treatment.

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美国饮用水源深度地下水全氟辛烷磺酸含量预测

全氟烷基和多氟烷基物质（PFAS）俗称 "永远的化学品"，与对人类健康的不良影响有关，并由于其长期和广泛的使用而污染了美国各地的饮用水源。由于缺乏系统分析，美国人可能在不知情的情况下饮用了含有全氟辛烷磺酸的水，尤其是在家庭供水中。我们提出了一个极端梯度提升模型，用于预测美国大陆饮用水供应深度地下水中全氟辛烷磺酸的含量。我们的模型结果表明，美国大陆地区有 7100 万到 9500 万人的饮用水供应可能依赖于未经过任何处理的、可检测到全氟辛烷磺酸浓度的地下水。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Science 综合性期刊-综合性期刊

CiteScore

61.10

自引率

0.90%

发文量

审稿时长

2.1 months

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