3-Year Waste Rock Storage Area Seepage Program Report, Reasons for Decision, Ekati Diamond Mine (Wek'èezhìı Land and Water Board, January 2024)
The Wek'èezhìı Land and Water Board approved Arctic Canadian Diamond Company's 2022 3-Year Waste Rock Storage Area Seepage Survey Report on January 31, 2024, with requirements for future improvements and development of a Seepage Response Framework to address concerns about seep screening criteria, adaptive management responses, and EQC exceedances.
- Date
- Document type
- Regulatory Filing
- Parties
- Wek'èezhìı Land and Water Board, Arctic Canadian Diamond Company Ltd., Independent Environmental Monitoring Agency (IEMA), Government of the Northwest Territories - Environment and Climate Change (GNWT-ECC), Tłįchọ Government, GNWT Inspector
- Locations
- Ekati Diamond Mine, Lac de Gras, Northwest Territories, Wekweètì, Yellowknife, Calgary, Fox WRSA, Lynx Crusher Pad, Misery area, Panda/Koala area, Long Lake Containment Facility (LLCF), Pigeon Pit, Sable WRSA
- Parameters
- waste rock storage area seepage, seepage water quality, effluent quality criteria (EQC), seeps of potential concern (SoPC), total suspended solids (TSS), total aluminum, total copper, total iron, sulphate, acid-base accounting (ABA), neutralizing potential (NP), potential acid generation (PAG), potentially acid generating material, seepage response framework, adaptive management, geochemical characterization, verification monitoring, aquatic effects monitoring
- Pages
- 19
Original document
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