Project Dashboard

Status: CANCELLED SCREENING

  • NIRB File No:

    20KN017

  • Application No.:

    125545

  • Project Type:

    Remediation

  • Project Name:

    Baker Lake Hotspot Remediation Landfarm and Interceptor Trench

Applicant
  • Nunavut Impact Review Board
  • NIRB info
  • Box 1360 ( 20 Mitik)
  • Cambridge Bay, Nunavut X0B 0C0 Canada
  • info@nirb.ca
  • www.nirb.ca
Primary Contact
Regulatory Authorities

Build and operate a landfarm to address historically contaminated soil in Baker Lake. The Hamlet of Baker Lake experienced several diesel fuel spills in the 70s and 80s that had never gotten cleaned up. Northern Canada Power Commission (NCPC) and the Ministry of Transport (MOT) occupied that area at the time. Fuel storage infrastructure and fuel handling practices were not to the standard we see today. QEC inherited the land and along with it the contaminated soil at the site. After several ESAs QEC conducted a Human Health Risk Assessment of the site and the results identified one spot (Hotspot) that contained levels and contaminants which would put humans at risk. We decided to address it immediately by the recommended method of landfarming the impacted material. The landfarm was constructed in September 2016. Additionally to prevent contamination from entering Baker Lake QEC proposes to install a barrier from the perma-frost to surface along the lake shoreline. There would be groundwater extraction wells where contaminated water could be drawn and filtered before decanting to the environment. QEC owns and maintains a land-farm cell in Baker Lake. The land-farm is currently on the old Power Plant site and due to the proximity the site is an odour nuisance. For this reason, the hamlet has asked that we move the cell to a new site north, near the landfill far from the hamlet. The preferred site is adjacent to the landfill and is un-surveyed. QEC will ensure that the proper heavy equipment is secured so the contractor can carry out the work safely. The proponent will haul clean fill to the site to build the new berm walls. Then the liner shall be laid out evenly and tucked into the berm walls to prevent movement. The existing contaminated soil in the cell will be hauled to the new site and fill the newly constructed cell. The soil shall be placed loosely to facilitate aeration. The soil will be mixed with a fertilization agent to further facilitate remediation. •Cell size in new location must be at least 20m X 40m including berm walls •Space required in total to allow for fence, access and surrounding monitoring 30m X 50m •There is clean fill to re-use for partial rebuild at existing site (Berm walls) •Earth movers to provide heavy equipment and operators to facilitate the move •QEC to provide all new materials required for rebuild

Assessment Phase / Activity
  • Screening Cancelled 2020-07-10
  • Application screening started 2020-07-08
Region
  • Kivalliq
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