...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Environmental Science & Technology >Improving Insights on Air Pollutant Mixtures and Their Origins by Enhancing Local Monitoring in an Area of Intensive Resource Development
【24h】

Improving Insights on Air Pollutant Mixtures and Their Origins by Enhancing Local Monitoring in an Area of Intensive Resource Development

机译：通过增强集约资源开发领域的局部监测，提高空气污染物混合物及其起源的见解

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

An "event-based" approach to characterize complex air pollutant mixtures was applied in the Oil Sands region of northern Alberta, Canada. This approach was developed to better-inform source characterization and attribution of the air pollution in the Indigenous community of Fort McKay, within the context of the lived experience of residents. Principal component analysis was used to identify the characteristics of primary pollutant mixtures, which were related to hydrocarbon emissions, fossil fuel combustion, dust, and oxidized and reduced sulfur compounds. Concentration distributions of indicator compounds were used to isolate sustained air pollution "events". Diesel-powered vehicles operating in the mines were found to be an important source during NO_x events. Industry-specific volatile organic compound (VOC) profiles were used in a chemical mass balance model for source apportionment, which revealed that nearby oil sands operations contribute to 86% of the total mass of nine VOC species (2-methylpentane, hexane, heptane, octane, benzene, toluene, m,p-xylene, o-xylene, and ethylbenzene) during VOC events. Analyses of the frequency distribution of air pollution events indicate that Fort McKay is regularly impacted by multiple mixtures simultaneously, underscoring the limitations of an exceedance-based approach relying on a small number of air quality standards as the only tool to assess risk.
机译：在加拿大北阿尔伯塔北部的油砂区应用了复杂空气污染物混合物的“基于事件的”方法。在居民的生活经验的背景下，开发了这种方法，以更好地了解堡垒麦凯顿土着县的土着群体中的空气污染的源。主要成分分析用于鉴定原发性污染物混合物的特性，其与烃排放，化石燃料燃烧，灰尘和氧化和还原的硫化合物有关。指示剂化合物的浓度分布用于分离持续的空气污染“事件”。在MINES中运行的柴油动力车辆被发现是NO_X事件中的重要来源。使用的工业特异性挥发性有机化合物（VOC）型材用于源分配的化学质量平衡模型，这揭示了附近的油砂作用占九种VOC物种总质量的86％（2-甲基戊烷，庚烷，庚烷，在VOC事件期间，辛烷，苯，甲苯，M，对二甲苯，O-二甲苯和乙苯）。空气污染事件的频率分布的分析表明，Fort Mckay同时经常受到多个混合物的影响，强调了基于少量空气质量标准的基于超标的方法的局限性，作为评估风险的唯一工具。

著录项

  • 来源
    《Environmental Science & Technology》 |2020年第23期|14936-14945|共10页
  • 作者

    Sumi N. Wren; Cris M. Mihele; Gang Lu; Zhimei Jiang; Deyong Wen; Katherine Hayden; Richard L. Mittermeier; Ralf M. Staebler; Stewart G. Cober; Jeffrey R. Brook;

  • 作者单位

    Air Quality Processes Research Section Air Quality Research Division Environment and Climate Change Canada Toronto Ontario M3H 5T4 Canada;

    Air Quality Processes Research Section Air Quality Research Division Environment and Climate Change Canada Toronto Ontario M3H 5T4 Canada;

    Air Quality Processes Research Section Air Quality Research Division Environment and Climate Change Canada Toronto Ontario M3H 5T4 Canada;

    Air Quality Processes Research Section Air Quality Research Division Environment and Climate Change Canada Toronto Ontario M3H 5T4 Canada;

    Air Quality Processes Research Section Air Quality Research Division Environment and Climate Change Canada Toronto Ontario M3H 5T4 Canada;

    Air Quality Processes Research Section Air Quality Research Division Environment and Climate Change Canada Toronto Ontario M3H 5T4 Canada;

    Air Quality Processes Research Section Air Quality Research Division Environment and Climate Change Canada Toronto Ontario M3H 5T4 Canada;

    Air Quality Processes Research Section Air Quality Research Division Environment and Climate Change Canada Toronto Ontario M3H 5T4 Canada;

    Air Quality Processes Research Section Air Quality Research Division Environment and Climate Change Canada Toronto Ontario M3H 5T4 Canada;

    Air Quality Processes Research Section Air Quality Research Division Environment and Climate Change Canada Toronto Ontario M3H 5T4 Canada Dalla Lana School of Public Health and Department of Chemical Engineering and Applied Chemistry University of Toronto Toronto Ontario M5T 1R4 Canada;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    multipollutant mixtures; oil and gas development; air quality; chemical mass balance; volatile organic compounds; indigenous communities;

    机译：多能混合物;石油和天然气发展;空气质量;化学质量平衡;挥发性有机化合物;土着群落;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号