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View article: The inclusion of photochemical initial concentrations in the combined-phase source apportionment of PM2.5, PAHs and VOCs from an industrialized environment
The inclusion of photochemical initial concentrations in the combined-phase source apportionment of PM2.5, PAHs and VOCs from an industrialized environment Open
PM2.5 species, PAHs and VOCs were sampled between 2013 and 2019 once every three or six days for a period of 24 hours in an industrialized city in Ontario, Canada, and analyzed to apportion their common sources. The consequences of using t…
View article: Seasonal Changes in the Oxidative Potential of Urban Air Pollutants: The Influence of Emission Sources and Proton- and Ligand-Mediated Dissolution of Transition Metals
Seasonal Changes in the Oxidative Potential of Urban Air Pollutants: The Influence of Emission Sources and Proton- and Ligand-Mediated Dissolution of Transition Metals Open
The inhalation of fine particulate matter (PM2.5) is a major contributor to adverse health effects from air pollution worldwide. An important toxicity pathway is thought to follow oxidative stress from the formation of exogenous reactive o…
View article: Trace Metals in Global Air: First Results from the GAPS and GAPS Megacities Networks
Trace Metals in Global Air: First Results from the GAPS and GAPS Megacities Networks Open
Trace metals, as constituents of ambient air, can have impacts on human and environmental health. The Global Atmospheric Passive Sampling (GAPS) and GAPS Megacities (GAPS-MC) networks investigated trace metals in the air at 51 global locat…
View article: Inter-comparison of oxidative potential metrics for airborne particles identifies differences between acellular chemical assays
Inter-comparison of oxidative potential metrics for airborne particles identifies differences between acellular chemical assays Open
Oxidative potential (OP) has been identified as an important factor underlying the health effects of airborne particulate matter (PM). OP denotes the ability of PM to deplete antioxidants and to form reactive oxygen species (ROS) in the lu…
View article: Assessment and Characterization of Alkylated PAHs in Selected Sites across Canada
Assessment and Characterization of Alkylated PAHs in Selected Sites across Canada Open
Alkylated polycyclic aromatic hydrocarbons (alkyl-PAHs), dibenzothiophenes (DBTs), and unsubstituted polycyclic aromatic hydrocarbons (PAHs) are naturally present in fossil fuels. Thus, they can be considered as candidates for markers of p…
View article: Estimation of Atmospheric Dry and Wet Deposition of Particulate Elements at Four Monitoring Sites in the Canadian Athabasca Oil Sands Region
Estimation of Atmospheric Dry and Wet Deposition of Particulate Elements at Four Monitoring Sites in the Canadian Athabasca Oil Sands Region Open
This study develops a framework for estimating atmospheric dry deposition using the inferential approach, and wet deposition using the scavenging ratio approach for particulate elements monitored in the Athabasca oil sands region (AOSR) of…
View article: Insights into Elemental Composition and Sources of Fine and Coarse Particulate Matter in Dense Traffic Areas in Toronto and Vancouver, Canada
Insights into Elemental Composition and Sources of Fine and Coarse Particulate Matter in Dense Traffic Areas in Toronto and Vancouver, Canada Open
Traffic is a significant pollution source in cities and has caused various health and environmental concerns worldwide. Therefore, an improved understanding of traffic impacts on particle concentrations and their components could help miti…
View article: Baseline Air Monitoring of Fine Particulate Matter and Trace Elements in Ontario’s Far North, Canada
Baseline Air Monitoring of Fine Particulate Matter and Trace Elements in Ontario’s Far North, Canada Open
Large mineral deposits have been discovered in Ontario’s Far North and are being considered for further development. Particulate matter and trace elements can be emitted from potential mining activities and these air pollutants are associa…
View article: Polyurethane Foam (PUF) Disk Samplers for Measuring Trace Metals in Ambient Air
Polyurethane Foam (PUF) Disk Samplers for Measuring Trace Metals in Ambient Air Open
A new method is presented for measuring atmospheric concentrations of trace metals in airborne particulate matter using polyurethane foam (PUF) disk passive air samplers (PUF-PASs) and passive dry deposition air samplers (PAS-DDs), which u…
View article: Sources of particulate matter components in the Athabasca oil sands region: investigation through a comparison of trace element measurement methodologies
Sources of particulate matter components in the Athabasca oil sands region: investigation through a comparison of trace element measurement methodologies Open
The province of Alberta, Canada, is home to three oil sands regions which, combined, contain the third largest deposit of oil in the world. Of these, the Athabasca oil sands region is the largest. As part of Environment and Climate Change …
View article: Supplementary material to "Sources of Particulate Matter in the Athabasca Oil Sands Region: Investigation through a Comparison of Trace Element Measurement Methodologies"
Supplementary material to "Sources of Particulate Matter in the Athabasca Oil Sands Region: Investigation through a Comparison of Trace Element Measurement Methodologies" Open
The Xact incorporates several Quality Assurance and Quality Control measures.With each measurement the instrument takes, it simultaneously measures the concentration of a Pd rod that is located within the instrument to ensure measurement s…
View article: Sources of Particulate Matter in the Athabasca Oil Sands Region: Investigation through a Comparison of Trace Element Measurement Methodologies
Sources of Particulate Matter in the Athabasca Oil Sands Region: Investigation through a Comparison of Trace Element Measurement Methodologies Open
The province of Alberta, Canada is home to three oil sands regions which, combined, contain the third largest deposit of oil in the world. Of these, the Athabasca Oil Sands Region is the largest. As part of Environment and Climate Change C…
View article: Contrasting biological potency of particulate matter collected at sites impacted by distinct industrial sources
Contrasting biological potency of particulate matter collected at sites impacted by distinct industrial sources Open
Industrial sources produce particulate emissions with varying chemical composition that differ in their in vitro potency in relation to particle size and the levels of specific constituents.
View article: Additional file 2: of Contrasting biological potency of particulate matter collected at sites impacted by distinct industrial sources
Additional file 2: of Contrasting biological potency of particulate matter collected at sites impacted by distinct industrial sources Open
PAH composition of all size-fractionated particles. Table of PAH content according to particle size and sampling site. (XLSX 15 kb)
View article: Additional file 1: of Contrasting biological potency of particulate matter collected at sites impacted by distinct industrial sources
Additional file 1: of Contrasting biological potency of particulate matter collected at sites impacted by distinct industrial sources Open
Metal composition of all size-fractionated particles. Table of metal content according to particle size and sampling site. (XLSX 35 kb)