期刊
ENVIRONMENTAL RESEARCH
卷 142, 期 -, 页码 46-50出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.envres.2015.06.018
关键词
Landfill fire; Air pollution; PM2.5; Dioxins; PAHs; VOCs; NO2; O-3; Nunavut; Dioxins/furans
资金
- Health Canada
- Environment Canada
A large landfill fire occurred in lqaluit, Canada in spring/summer 2014. Air quality data were collected to characterize emissions as well as potential threats to public health. Criteria pollutants were monitored (PM2.5, O-3, NO2) along with dioxins/furans, polycyclic aromatic hydrocarbons, and volatile organic compounds. Median daily dioxin/furan concentrations were 66-times higher during active burning (0.2 pg/m(3) Toxic Equivalency Quotient (TEQ)) compared to after the fire was extinguished (0.003 pg/m(3) TEQ). Other pollutants changed less dramatically. Our findings suggest that airborne concentrations of potentially harmful substances may be elevated during landfill fires even when criteria air pollutants remain largely unchanged. Crown Copyright (C) 2015 Published by Elsevier Inc.
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