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 2 nd control site in adjacent drainage basin –Monitor C3 and Carat lake O 2 prior to mine discharge

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