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Giant Mine Arsenic Trioxide Management Alternative Final Report

Dates

Year
2002

Citation

Steffen Robertson and Kirsten (Canada) Inc,, 2002, Giant Mine Arsenic Trioxide Management Alternative Final Report: Indian and Northern Affairs Canada: Yellowknife, NWT, v. PROJECT 1CI001.10.

Summary

Given that segments of the local community have variously expressed reservations both about options that leave the dust in place and those that bring the dust to surface, the Technical Advisor recommends that at least two alternatives be taken through to public consultation. One of the alternatives carried forward should be the best in situ (“leave underground”) alternative, and one should be the best ex situ (“take it out”) alternative. The Technical Advisor believes that the best in situ alternative is Alternative B3, isolating the arsenic trioxide dust in its current location by creating a frozen block, monitoring in perpetuity, and maintaining isolation by periodic re-freezing. The ground freezing alternatives are generally [...]

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Reference Item
NWBLCC20160627

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