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Exposure assessment of PFAS-contaminated sites using avian eggs as a biomonitoring tool: A frame of reference and a case study in the Po River valley (Northern Italy)
Integrated Environmental Assessment and Management ( IF 3.1 ) Pub Date : 2021-03-25 , DOI: 10.1002/ieam.4417
Michelangelo Morganti 1 , Stefano Polesello 1 , Simona Pascariello 1 , Claudia Ferrario 1 , Diego Rubolini 2 , Sara Valsecchi 1 , Marco Parolini 2
Affiliation  

For many years, eggs of diverse bird species have been used as monitoring tools in studies investigating perfluoroalkyl substances (PFAS) contamination, especially in marine and remote areas. Avian eggs are a suitable monitoring matrix because they are relatively easy to collect and their yolks store diverse maternally transferred PFAS. Moreover, the concentrations of PFAS detected in the eggs are a good proxy for maternal exposure and allow the assessment of the potential risk for birds. These features support the use of avian eggs as a key monitoring tool in exposure assessment of PFAS-contaminated sites. We first review the recent application of avian eggs in PFAS monitoring in environmental risk assessment schemes, highlighting strengths and limitations and suggesting which criteria should be considered when selecting a proper study species and structuring the sampling and analytical protocol. Eventually, we report findings from a field study realized in 2020 near a perfluoropolymer factory site in the upper Po plain (Northern Italy), revealing an unprecedented contamination level of PFOA and C6O4 in three species of wild passerines. In future, long-term monitoring of PFAS contamination using avian eggs should be maintained, to provide crucial information on the temporal trend of fluorochemical production and waste disposal, while facilitating early identification of emerging PFAS as well as the quantification of their biomagnification across the trophic web. Integr Environ Assess Manag 2021;17:733–745. © 2021 SETAC

中文翻译:

使用禽蛋作为生物监测工具对 PFAS 污染场地的暴露评估:波河流域(意大利北部)的参考框架和案例研究

多年来,在调查全氟烷基物质 (PFAS) 污染的研究中,尤其是在海洋和偏远地区,各种鸟类的蛋一直被用作监测工具。禽蛋是一种合适的监测矩阵,因为它们相对容易收集,并且它们的蛋黄储存了多种母体转移的 PFAS。此外,鸡蛋中检测到的 PFAS 浓度是母体暴露的良好代表,可以评估鸟类的潜在风险。这些特点支持使用禽蛋作为 PFAS 污染场地暴露评估的关键监测工具。我们首先回顾了最近禽蛋在环境风险评估计划中 PFAS 监测中的应用,突出优势和局限性,并建议在选择合适的研究物种和构建采样和分析方案时应考虑哪些标准。最终,我们报告了 2020 年在上波平原(意大利北部)全氟聚合物工厂附近进行的一项实地研究的结果,揭示了三种野生雀类中 PFOA 和 C6O4 的前所未有的污染水平。未来,应保持使用禽蛋对 PFAS 污染进行长期监测,以提供有关氟化物生产和废物处理的时间趋势的关键信息,同时促进新兴 PFAS 的早期识别以及它们在整个营养中的生物放大作用的量化。网。我们报告了 2020 年在上波平原(意大利北部)的一个全氟聚合物工厂附近进行的实地研究的结果,揭示了三种野生雀科动物中 PFOA 和 C6O4 的前所未有的污染水平。未来,应保持使用禽蛋对 PFAS 污染进行长期监测,以提供有关氟化物生产和废物处理的时间趋势的关键信息,同时促进新兴 PFAS 的早期识别以及它们在整个营养中的生物放大作用的量化。网。我们报告了 2020 年在上波平原(意大利北部)的一个全氟聚合物工厂附近进行的实地研究的结果,揭示了三种野生雀科动物中 PFOA 和 C6O4 的前所未有的污染水平。未来,应保持使用禽蛋对 PFAS 污染进行长期监测,以提供有关氟化物生产和废物处理的时间趋势的关键信息,同时促进新兴 PFAS 的早期识别以及它们在整个营养中的生物放大作用的量化。网。Integr Environ Assess Manag 2021;17:733-745。© 2021 SETAC
更新日期:2021-03-25
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