从2009年到2019年,旧金山湾鱼中的Per和Polyfluoroalkyl物质的空间趋势和健康风险
Miguel A Méndez1, Jay Davis1, Ezra L Miller1
1San Francisco Estuary Institute, Richmond, California 94804, United States.
概括
甲基和多甲基物质 (PFAS) 在旧金山湾体育鱼中普遍存在,PFOS水平经常超过安全建议. 这突显了潜在的饮食风险和需要更广泛的PFAS监测.
科学领域:
- 环境科学 环境科学
- 生态毒理学 生态毒理学
- 食品安全 食品安全
背景情况:
- 海鲜消费是人类暴露在高醇和多醇物质 (PFAS) 的主要途径.
- 旧金山湾的体育鱼被监测PFAS以评估饮食暴露风险.
研究的目的:
- 为了研究十多年来旧金山湾的体育鱼中各种PFAS的发生和水平.
- 评估与食用受污染的鱼类相关的潜在人类健康风险.
主要方法:
- 在2009年,2014年和2019年收集的多种运动鱼种中分析PFAS度.
- 检测到的PFOS水平与美国消费咨询值的比较.
主要成果:
- 甲硫酸 (PFOS) 经常被检测在建议水平以上,特别是在旧金山湾南部 (超过80%的样本).
- 确定了19种额外的PFAS,包括7:3基酸 (7:3FTCA),首次在全球海洋鱼类中观察到.
结论:
- 旧金山湾体育鱼中的PFAS污染对饮食构成重大风险.
- 为了准确的风险评估和环境影响评估,需要考虑更广泛的PFAS.
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