使用三个USEPA短期慢性生物测试对10个酸和多酸酸进行海洋生态毒性评估
Nicholas T Hayman1, Zacharias Pandelides2, Josiah Discar1
1Naval Information Warfare Center Pacific, San Diego, CA, USA.
Aquatic toxicology (Amsterdam, Netherlands)
|November 3, 2025
概括
对于和多醇基物质 (PFAS) 对海洋生物的毒性数据很少. 这项研究发现,大多数经过测试的PFAS对海,海和海藻的毒性较低,在目前的环境度下不太可能产生不良影响.
科学领域:
- 环境毒理学环境毒理学
- 海洋生物学 海洋生物学
- 生态毒理学 生态毒理学
背景情况:
- 关于对海洋水生生物的影响的和多基物质 (PFAS) 存在有限的数据.
- 这种差距阻碍了生态风险评估和海水质量标准的制定.
研究的目的:
- 为了评估10种常见的PFAS化合物的毒性.
- 评估对三种标准海洋物种的影响:地中海,紫色海和巨型海藻.
主要方法:
- 标准的海洋毒性测试是在Mytilus galloprovincialis,Strongylocentrotus purpuratus和Macrocystis pyrifera进行的.
- 评估的终点包括各种PFAS的EC50,NOEC,LOEC,EC10和EC20.
主要成果:
- 大多数PFAS测试没有引起显著的不良影响,EC50值通常高于1 mg/L.
- 较长的PFAS碳链长度观察到更高的毒性,特别是对于PFOS和PFDA.
- 海藻 (M. pyrifera) 的敏感性低于测试的无脊椎动物物种.
结论:
- 对测试的海洋生物的PFAS毒性通常很低.
- 亚致命效应度 (NOECs) 明显高于环境相关水平.
- 在目前的PFAS影响环境度下,预计不会对这些海洋物种产生不良影响.
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