Tahera Environmental Monitoring Commitments Summary

1
Tahera Environmental Monitoring Commitments
Summary

• Use TK in monitoring cooperate with communities
• Collect reliable information that will
• Allow detection of a change in aquatic biota
  caused by the Project
• Test predictions of Project impacts
• Focus on components that are good indicators
• Use accepted sample design and methods
• Invest sufficient effort in order to detect
  change

2
Tahera Environmental Monitoring Commitments
Summary

• Geotech
• Dam stability
• C1 Diversion
• C4 Ditch
• Waste dumps
• Stockpiles

3
Tahera Environmental Monitoring Commitments
Summary

• Mine Wastewater Discharge
• Monitor mine waste management facilities
• seeps
• groundwater
• effluent

4
Tahera Environmental Monitoring Commitments
Summary

• Water Quality
• Add water quality monitoring site(s) downstream
  Jericho River on IOL
• Add 2nd control site in adjacent drainage basin
• Monitor C3 and Carat lake O2 prior to mine
  discharge

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6
Tahera Environmental Monitoring Commitments
Summary

• Aquatic Effects Monitoring
• Potential Impacts Monitored
• Nutrient loading
• Sedimentation
• Contaminants
• Components
• Sedimentation (rate of sedimentation)
• Periphyton (biomass and species diversity)
• Phytoplankton (biomass) and zooplankton (species
  diversity)
• Benthic invertebrates (abundance and species
  diversity)
• Fish (metals, community and population structure)

7
Tahera Environmental Monitoring Commitments
Summary

• Air Quality
• PM-10 and PM-2.5 at the mine site
• Indirect vegetation monitoring
• lichen
• transects at right angles to dust sources

8
Tahera Environmental Monitoring Commitments
Summary

• Wildlife
• Cooperate in monitoring of Bathurst caribou herd
• Raptors annual nesting success
• Record and report wildlife events/responses

9
Tahera Environmental Monitoring Commitments
Summary

• Post closure monitoring
• Performance of PKCA and other waste structures
• Water quality
• Reclamation success