Daily mortality and air pollution in Santa Clara County, California: 1989-1996
Daily mortality and air pollution in Santa Clara County, California: 1989-1996
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DOI：
10.2307/3434455
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发表时间：
1999-08-01
影响因子：
10.4
通讯作者：
Fairley, D
中科院分区：
文献类型：
--
作者：
Fairley, D
自上次修订国家颗粒物标准以来，大量流行病学研究表明颗粒物与健康影响（特别是死亡率）之间存在联系。在这项研究的支持下，美国环境保护署颁布了空气动力学直径小于或等于2.5 μ m的颗粒物（PM2.5）的国家标准。尽管如此，加州的弗朗西斯科湾区可能会符合这一新标准。本研究采用与早期流行病学研究相似的技术，调查圣克拉拉县（湾区县）每日死亡率与空气污染之间的关系。在20世纪90年代初，当湾区的每一种标准污染物都达到国家空气污染标准时，统计上的显著关联仍然存在。在各种污染物中，与颗粒物的关联性最强，尤其是硝酸铵和PM2.5。死亡率与空气污染物之间的联系继续存在，这使人们对保护公众健康的国家标准是否充分产生了疑问。
Since the last revision of the national particulate standards, there has been a profusion of epidemiologic research showing associations between particulates and health effects-mortality in particular. Supported by this research, the U.S. Environmental Protection Agency promulgated a national standard for particulate matter less than or equal to 2.5 mu m in aerodynamic diameter (PM2.5). Nevertheless, the San Francisco Bay Area of California may meet this new standard. This study investigates the relationship between daily mortality and air pollution in Santa Clara County (a Bay Area county) using techniques similar to those utilized in earlier epidemiologic studies. Statistically significant associations persist in the early 1990s, when the Bay Area met national air pollution standards for every criteria pollutant. Of the various pollutants, the strongest associations occur with particulates, especially ammonium nitrate and PM2.5. The continuing presence of associations between mortality and air pollutants calls into question the adequacy of national standards for protecting public health.