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在加利福尼亚州教师研究队列中,饮用水源和接触受监管的水污染物

Maya Spaur¹, Danielle N Medgyesi², Komal Bangia³

¹Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA. maya.spaur@nih.gov.

Journal of exposure science & environmental epidemiology

|July 13, 2024

概括

加利福尼亚州的饮用水污染物大多低于监管限制,但在不同的人口群体中,暴露量有很大差异. 这项研究突出了水质差异,并为未来的健康风险评估提供了信息.

科学领域:

环境健康环境健康
流行病学流行病学
公共卫生公共卫生

背景情况:

美国的社区水系统 (CWS) 和家庭井被金属,酸盐,消毒副产品和挥发性有机化合物等污染物污染.
低水平污染物暴露的健康影响,尤其是低于法规限制的污染物暴露,需要进一步调查.

研究的目的:

在加利福尼亚州教师研究 (CTS) 队列中描述饮用水源和污染物暴露.
评估各种社会人口统计学子组之间暴露的潜在差异.

主要方法:

115,206名参与者的地理编码地址 (1995-1996) 被链接到CWS数据.
对,,酸盐,总α (GA),HAA5,TTHM,TCE和PCE的平均污染物度 (1990-2015年) 进行了计算.
通用线性回归分析了人口和社区特征的暴露变化;自我报告的数据补充了发现.

主要成果:

污染物的中位数水平低于法规限制.
与非西班牙裔白人参与者相比,在黑人,西班牙裔和美洲原住民参与者中观察到,,GA和酸盐的平均度更高.
较低社会经济地位 (SES) 四分位数和非大都市地区的参与者具有更高的某些污染物 (,,酸盐),而大都市参与者则具有更高的消毒副产品 (HAA5,TTHM).

结论:

虽然加利福尼亚州教师研究队伍的平均饮用水污染物水平通常低于监管限制,但在社会人口统计和地理子组中存在显著的暴露差异.
这些发现强调了有针对性的公共卫生干预和未来研究这些异质暴露对健康的影响的需要.

关键词:

消毒的副产品消毒的副产品环境正义环境正义曝光模型曝光模型金属金属金属挥发性有机化合物挥发性有机化合物

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