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New Jersey: A Case Study of the Reduction in Urban and Suburban Air Pollution from the 1950s to 2010

机译:新泽西州:以1950年代至2010年减少城市和郊区空气污染为例

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摘要

Background: Air pollution has been a topic of intense concern and study for hundreds of years. During the second half of the 20th century, the United States implemented regulations and controls to reduce the levels of criteria air pollutants and achieve the National Ambient Air Quality Standards (NAAQS) for the protection of human health, while concurrently reducing the levels of toxic air pollutants.Objective: In this commentary we trace the changes in air pollution in New Jersey as a case study, demonstrating the impact of local, state, and federal strategies to control emissions of pollutants and pollutant precursors from the 1950s until today.Discussion: The original NAAQS (1970–1995) have been achieved, and significant progress has been made to achieve revised standards for ozone and particulate matter (PM) < 2.5 µm in aerodynamic diameter (PM2.5) in New Jersey, which in the past was considered a highly polluted industrial state.Conclusions: Assuming no reversals on current regulations because of some major event or energy infrastructure disruption, outdoor air pollution reductions will continue to address health risks among specific segments of the general population affected by ozone/PM and pollution caused by neighborhood, local, and regional point and mobile sources.
机译:背景:数百年来,空气污染一直是人们高度关注和研究的话题。在20世纪下半叶,美国实施了法规和控制措施,以减少空气污染物的标准水平,并达到保护人类健康的国家环境空气质量标准(NAAQS),同时降低有毒空气的水平目的:在这篇评论中,我们以案例研究的形式追踪新泽西州空气污染的变化,展示了1950年代至今的控制污染物和污染物前体排放的地方,州和联邦策略的影响。最初的美国国家航空航天质量标准(NAAQS)(1970-1995)已经实现,并且在新泽西州实现空气动力学直径(PM2.5)<2.5 µm的臭氧和颗粒物(PM)修订标准方面已经取得了重大进展。结论:假设由于某些重大事件或能源基础设施中断,目前的法规没有发生任何逆转,室外空气污染会再次恶化。减排将继续解决受臭氧/颗粒污染以及邻里,地方和区域的点和移动源造成的污染影响的特定人群中的健康风险。

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