第四次监管决定对弱势群体的影响
Andrew Black1, Natchaya Luangphairin1, Katherine Alfredo2
1Department of Civil and Environmental Engineering, University of South Florida, Tampa, FL, USA.
Environmental monitoring and assessment
|February 24, 2025
概括
新的饮用水标准涉及PFAS,但PFOS和PFOA的风险最高. 暴露不成比例地影响少数群体,特别是西班牙裔/拉丁裔人口和贫困人口.
科学领域:
- 环境健康 环境健康
- 毒理学 毒理学 毒理学
- 公共卫生政策 公共卫生政策
背景情况:
- 全国初级饮用水标准对每和多基基物质 (PFAS) 于2023年3月制定.
- 其他污染物如1,4-二氧化 (二氧化),1,2,3-三 (TCP) 和被考虑,但没有受到监管.
- 了解这些污染物的相对风险,包括受监管的PFAS (PFOS,PFOA),对于公共卫生至关重要.
研究的目的:
- 分析PFOS,PFOA,二氧化,TCP和在美国人口中的分区域风险.
- 调查社会经济和种族因素对国家暴露和风险水平的影响.
- 为了比较受监管的PFAS和其他新出现的污染物所带来的健康风险.
主要方法:
- 对五种污染物的次区域风险分析:PFOS,PFOA,二氧化,TCP和.
- 包括社会经济 (贫困) 和种族/民族人口统计数据.
- 应用回归和多级模型来评估风险指标 (RHI).
主要成果:
- perfluorooctanesulfonic 酸 (PFOS) 和 perfluorooctanoic 酸 (PFOA) 是检测到的最大风险.
- 多数少数群体社区的暴露风险更高,与西班牙裔/拉丁裔人口有特殊联系.
- 贫困与二氧化,和TCP的风险较高有关,但在控制状态变化后,这种关联会逆转.
结论:
- 在检测到的地区,PFOS和PFOA具有重大风险.
- 暴露对少数群体,特别是西班牙裔/拉丁裔人口构成不成比例的风险.
- 像贫困这样的社会经济因素与污染物风险有复杂的关系,需要细微的政策考虑.
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