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4 record(s) found with the tag "arsenic" (multi-year projects are grouped):
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Understanding regional variability in soil geochemistry in an area impacted by legacy industrial activity
Principal Investigator: Oliver, Jonathon
Licensed Year(s): 2016 2015
Summary: The specific objectives of this research are: 1) to investigate concentrations of arsenic and other elements in regional soils to gain a better understanding of regional baseline soil geochemistry; 2) to determine speciation of arsenic in selected soils from the region with elevated concentrations to determine whether arsenic in soils is from a natural geologic source or is derived from past indus...
Licensed Year(s): 2016 2015
Summary: The specific objectives of this research are: 1) to investigate concentrations of arsenic and other elements in regional soils to gain a better understanding of regional baseline soil geochemistry; 2) to determine speciation of arsenic in selected soils from the region with elevated concentrations to determine whether arsenic in soils is from a natural geologic source or is derived from past indus...
An investigation of arsenic speciation and toxicity in Baker Creek sediments from Giant Mine in the Northwest Territories, Canada
Principal Investigator: Nash, Tyler J
Licensed Year(s): 2012
Summary: The objective of this research project is to assess the sediment quality of Baker Creek. This will be achieved by analyzing factors influencing arsenic mobility from sediments to overlying water and assessing the toxicology of the sediments using exposure tests on indicator organisms. Core samples of Baker Creek sediments will be taken by the researchers using aluminum pipes driven into the gro...
Licensed Year(s): 2012
Summary: The objective of this research project is to assess the sediment quality of Baker Creek. This will be achieved by analyzing factors influencing arsenic mobility from sediments to overlying water and assessing the toxicology of the sediments using exposure tests on indicator organisms. Core samples of Baker Creek sediments will be taken by the researchers using aluminum pipes driven into the gro...
The presence and persistence of arsenic trioxide in soils around Giant Mine, NWT
Principal Investigator: Bromstad, Mackenzie J
Licensed Year(s): 2010
Summary: The objective of this project is to understand why arsenic trioxide (As3+) is still present in soils around Giant Mine, how long it will remain there, and if the set of circumstances leading to persistent As3+-rich soil may apply to any other places previously assumed to be As3+-free. In terms of current mine remediation, future human contact with the site, and ecosystem health, it needs to be und...
Licensed Year(s): 2010
Summary: The objective of this project is to understand why arsenic trioxide (As3+) is still present in soils around Giant Mine, how long it will remain there, and if the set of circumstances leading to persistent As3+-rich soil may apply to any other places previously assumed to be As3+-free. In terms of current mine remediation, future human contact with the site, and ecosystem health, it needs to be und...
Speciation of Arsenic in Yellowknife, NT Soils
Principal Investigator: Wrye, Lori A
Licensed Year(s): 2007
Summary: The aim of this research project is to examine the speciation of arsenic in soils around the Giant Mine, and to distinguish if the arsenic is of natural or anthropogenic sources. Soils in the study area are naturally enriched in arsenic as well as from the mining of gold. The results will help understand how much of the arsenic is the result of human impact, how bioavailable it is, and how it move...
Licensed Year(s): 2007
Summary: The aim of this research project is to examine the speciation of arsenic in soils around the Giant Mine, and to distinguish if the arsenic is of natural or anthropogenic sources. Soils in the study area are naturally enriched in arsenic as well as from the mining of gold. The results will help understand how much of the arsenic is the result of human impact, how bioavailable it is, and how it move...
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