家庭和花园中的化学物质:了解来源,暴露和风险
Kara L Fry1, Xiaochi Liu2, Maryam Moslehi1
1Environment Protection Authority Victoria, EPA Science, Centre for Applied Sciences, Ernest Jones Drive, Macleod, Victoria 3085, Australia.
Environment international
|February 4, 2026
概括
大多数尘埃和土壤中的家用化学品对健康造成的风险很小,其中 (Pb) 是一个显著的例外,在一个家庭中由于遗留的油漆. 未来的研究应该集中在减少暴露和监测每和多基物质 (PFAS) 上.
科学领域:
- 环境化学环境化学
- 毒理学 毒理学 毒理学
- 公共卫生 公共卫生
背景情况:
- 无处不在的家庭化学品可以带来好处,但也会带来健康风险.
- 室内灰尘和花园土壤是各种化学污染物的潜在储.
- 了解住宅环境中的化学物质存在和人类暴露途径至关重要.
研究的目的:
- 为了检查室内灰尘和花园土壤中100多种化学物质的存在和人类健康风险.
- 确定影响住宅灰尘化学污染的关键环境因素.
- 评估毒理学关注门 (TTC) 对于风险评估的有效性.
主要方法:
- 分析了132个室内灰尘,植物园土壤和后院土壤样本,以检测微金属,和多基物质 (PFAS),多环芳 (PAH),农药和其他化学物质.
- 进一步分析了6个室内尘埃样本的子集中的900多种额外的化学物质.
- 使用毒理关注门 (TTC) 的健康风险查和与地板,土壤度和交通密度等环境因素的相关性分析.
主要成果:
- 在尘埃中经常检测到微量金属,PFAS和PAH;杀虫剂不常见.
- 在土壤 (碳酸/硫酸) 和尘埃 (前体) 之间,PFAS的配置不同. 尘埃中的可回收碳化合物 (TRH) 总量归因于天然油.
- 在尘埃中评估的99.5%的化学物质低于TTC,其中 (Pb) 在一个例子中超过了TTC,原因是遗留的油漆. 地板,土壤度和交通密度都影响了化学物质的存在.
结论:
- 大多数评估的家用化学品对健康风险低,但需要在城市地区有针对性的减少 (Pb).
- 由于毒性数据不断变化,建议继续监测PFAS.
- TTC是有效评估环境暴露风险的宝贵工具.
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