6 record(s) found with the tag "metal contamination" (multi-year projects are grouped):
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Cantung Mine Human Health and Ecological Risk Assessment
Principal Investigator: Perzoff, Tania
Licensed Year(s): 2018
Summary: Tetra Tech modeled the effects of food chain accumulation of metals and exposure to metals on human health and ecological receptors. Tissue sampling of small rodents (and possibly hares) will be completed to identify trophic transfer of potential soil contaminants in order to verify the model. Snap traps and pitfall traps will be set out by Tetra Tech Staff and two First Nations subcontractors....

Investigation of the Extent of Historic Tailings in Back Bay/Yellowknife Bay
Principal Investigator: Caughill, Dave
Licensed Year(s): 2004
Summary: Between 1948 and 1951, approximately 375 000 tons of tailings were deposited directly into Back Bay from Giant Mine along the northwest shore via a drainage channel. The submerged tailings contain high levels of metals, particularly arsenic. Over time, t...

Fisheries Studies For 2002 Aquatic Effects Monitoring Program
Principal Investigator: Landry, Francois
Licensed Year(s): 2002
Summary: The field work is intended to provide baseline fisheries data for four lakes (Horseshoe, Toss, Fay and Logan) and to obtain post-baseline fisheries data on eight lakes (Vulture, Kodiak, Nema, Cujo, Nanuq, Counts, and Slipper) within the Ekati claimblock...

Habitat Utilization and Fish Community Structure in the Snare River.
Principal Investigator: Reed, Shawna
Licensed Year(s): 1994
Summary: In this study fish presence/absence and/or densities will be obtained by electrofishing representative habitat and the setting of baited minnow traps. When these two methods are not practical gill nets, trap nets, and/or beach seines will be employed. Each fish caught will be identified, measured, sexed and condition will be noted. Ten specimens of each species from each site (up to 10) will be...

Licence #4091
Principal Investigator: Seagel, Graham
Licensed Year(s): 1984
Summary: A study to characterize aquatic environments potentially affected by tailings decant effluent, assess their sensitivity to project influences and develop baseline data for future monitoring purposes. Water, sediment and benthic envertebrate samples will be collected for analysis. Fish will be captured for tagging and to obtain tissue samples for metal analysis (subject to approval of DFO)....

Licence #4038
Principal Investigator: Fallis, B.W.
Licensed Year(s): 1984
Summary: To assess the update of metals by sediments and biota in the vicinity of Nanisivik Mine and the Polaris Mine. The data will be used to monitor the extent to which metal concentrations in sediments and biota have changed since similar studies were conducted in 1980 and 1981....