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Interim Lac de Gras Regional Grizzly Bear DNA Report, Ekati and Diavik Diamond Mines (Diavik Diamond Mines, November 2013)
6 November 2013Report
This interim report presents results from the first year (2012) of a two-year joint Ekati and Diavik grizzly bear DNA study covering a 16,272 km² region around the diamond mines. DNA analysis of 1,902 hair samples identified 112 individual grizzly bears (42 males, 70 females), with remote camera data documenting 10 family groups and substantial movement patterns across the study area.
Grizzly Bear Wildlife Monitoring Habitat Assessment Traditional Knowledge
Modelling Predictions of Water Quality for Pit Lakes, Ekati Diamond Mine (BHP Billiton, November 2013)
2013Report
Ekati Diamond Mine Modelling Predictions of Water Quality for Pit Lakes (Panda, Beartooth, Koala, Koala North), prepared by Rescan Engineers & Scientists / Rescan Environmental Services Ltd. for Dominion Diamond Ekati Corporation, November 18 2013, submitted to Violet Camsell-Blondin (Chair, Wek'èezhii Land and Water Board, Yellowknife). Includes maximum ice-thickness range from nearby Contwoyto Lake (1.2-2.2 m) for natural-variability bounding, ΔSt salinity-stability parameter (30 J/m² and 10 J/m² scenarios) plots for Koala, Koala North, Beartooth, Panda pit-lake salinity vs depth, Comparison of Predicted Pit Wall Runoff and Groundwater with Observed Pit Sump Quality, and predicted Dissolved Aluminum, Arsenic, Chromium concentration projections 2006-2009.
Closure & Reclamation Water Quality Monitoring Regulatory
Environmental Impact Report, Close out Report, Ekati Diamond Mine (Dominion Diamond, August 2013)
~2013Report
Approximate date — inferred from filename
This close-out report documents the completion of the 2012 Environmental Impact Assessment (EIR) process for the Ekati Diamond Mine, including technical sessions, public workshops held November 6-7, 2012, and stakeholder/regulator comments received in January 2013. The report consolidates comments and responses from regulatory and community stakeholders on environmental risks including air quality, water quality, land management, and wildlife impacts, with particular focus on caribou movement, waste rock freezing, dioxin/furan contamination, and adaptive management strategies.
Development Plans Monitoring Air Quality
Revegetation Projects Annual Report 2012, Ekati Diamond Mine (Harvey Martens & Associates, July 2013)
19 July 2013Report
This annual report documents Dominion Diamond Ekati Corporation's 2012 revegetation and progressive reclamation activities at the Ekati Diamond Mine, including site amelioration work, monitoring of plant establishment at six reclamation sites, and research on plant species suitability for three major landscape types. The report presents findings on seedling survival, substrate materials assessment, and natural colonization of processed kimberlite.
Closure & Reclamation Revegetation Monitoring Traditional Knowledge
Wildlife Effects Monitoring Program, Ekati Diamond Mine (Dominion Diamond, April 2013)
10 April 2013Report
This is the 2012 Wildlife Effects Monitoring Program annual report for the EKATI Diamond Mine, covering January 1 to December 31, 2012, documenting wildlife observations, habitat loss, wildlife incidents, and mitigation effectiveness across caribou, grizzly bears, wolves, wolverines, foxes, and breeding birds. The report shows 212.9 hectares of additional habitat disturbance, 14 vehicle-related animal mortalities (none of VEC species), four non-vehicle wildlife mortalities, and 15 wildlife incidents, while implementing regional collaborative monitoring programs including grizzly bear DNA studies and caribou behavioral surveys.
Wildlife Caribou Monitoring Wolverine
Aquatic Effects Monitoring Program (AEMP) Plan for 2013–2015, Ekati Diamond Mine (Dominion Diamond, April 2013)
2013Report
Aquatic Effects Monitoring Program (AEMP) Plan for 2013 to 2015 for the Ekati Diamond Mine, prepared by Rescan Environmental Services Ltd. for Dominion Diamond Ekati Corporation, April 29 2013. Submitted to Violet Camsell-Blondin, Chair, Wek'èezhìı Land and Water Board (WLWB), Yellowknife. Covers benchmark comparisons (Site-Specific Water Quality Objectives, CCME, Health Canada, British Columbia Ministry of Environment), biological archiving program (phytoplankton, zooplankton, benthic invertebrates, fish ageing samples, voucher collection), Kruskal-Wallis and two-way ANOVA evaluations of individual lakes, and the WLWB Decision for the 2012 AEMP Report.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Environmental Agreement and Water Licence Annual Report 2012, Ekati Diamond Mine (Dominion Diamond, April 2013)
1 April 2013Report
This is the 2012 Environmental Agreement and Water Licence Annual Report for the Ekati Diamond Mine, submitted by Dominion Diamond Ekati Corporation in April 2013, detailing compliance with Type A Water Licence W2009L2-0001 and the Environmental Agreement requirements. The report provides comprehensive monitoring data on water use, waste management, kimberlite processing, wildlife and aquatic effects monitoring, closure planning, spill management, and all operational activities throughout 2012.
Monitoring Regulatory Water Quality
Aquatic Effects Monitoring Program (AEMP) Summary Report, Ekati Diamond Mine (BHP Billiton, March 2013)
28 March 2013Report
BHP Billiton's 2012 Aquatic Effects Monitoring Program report presents annual results from monitoring aquatic ecosystems at the Ekati Diamond Mine in the Northwest Territories, submitted under Water Licence W2009L2-0001. The report concludes that changes observed in water quality, plankton, and benthos communities do not appear to have influenced fish populations or health in monitored lakes, though laboratory contamination issues affected some fish tissue metal analyses.
Aquatic Effects Monitoring (AEMP)Water Quality Monitoring
Aquatic Effects Monitoring Program (AEMP) Part 1 — Evaluation of Effects, Ekati Diamond Mine (BHP Billiton, March 2013)
1 March 2013Report
This is a comprehensive 2012 aquatic effects monitoring report for the Ekati Diamond Mine covering the Koala and King-Cujo watersheds, evaluating physical limnology, water quality, plankton, benthos, and fish populations across multiple lakes and streams using statistical and graphical analyses to assess mining-related impacts.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Environmental Agreement and Water Licence Annual Report Summaries and Year in Review, Ekati Diamond Mine (Dominion Diamond, 2012 to 2014)
31 December 2012Report
This 2012 Environmental Agreement and Water Licence Annual Report Summary for the Ekati Diamond Mine describes mining operations, environmental monitoring programs, and compliance with regulatory requirements. The report documents activities across air and water quality monitoring, wildlife effects monitoring, fish community assessments, and reclamation efforts conducted by Dominion Diamond Ekati Corporation.
Environmental Agreement Water Licence Monitoring
Aquatic Effects Monitoring Program (AEMP) Re-evaluation, Ekati Diamond Mine (BHP Billiton, December 2012)
3 December 2012Report
BHP Billiton's 2012 Aquatic Effects Monitoring Program Re-evaluation for EKATI Diamond Mine proposes updates to monitoring design, sampling methods, and analysis techniques for the 2013-2015 period, including new sampling stations, modified variable evaluation lists, and multivariate statistical analyses, along with a proposed Pigeon project AEMP plan. The report addresses stakeholder comments and provides 33 recommendations to improve detection of potential mine effects on aquatic ecosystems.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Environmental Impact Report, Plain English Summary, Ekati Diamond Mine (BHP Billiton, October 2012)
1 October 2012Report
This is BHP Billiton's 2012 Environmental Impact Report for the EKATI Diamond Mine in the Northwest Territories, presented in plain language for non-technical readers. The report documents environmental monitoring results from 2009-2011, identifies 22 ranked key environmental risks across air, land, water, and wildlife categories, and describes management practices and mitigation strategies to address these risks as the mine continues operations toward eventual closure and reclamation.
Development Plans Monitoring Environmental Agreement
Environmental Impact Report 2012, Ekati Diamond Mine (BHP Billiton, October 2012)
1 October 2012Report
BHP Billiton's 2012 Environmental Impact Report for the Ekati Diamond Mine compares environmental monitoring results from 2009-2011 against predictions in the 1995 Environmental Impact Statement, identifying 22 key environmental risks and management practices. The report covers air, land, water, and wildlife monitoring programs, with particular focus on aquatic receiving environment impacts from containment facilities, caribou migration route alterations, and residual environmental risks despite implemented mitigation measures.
Development Plans Monitoring Aquatics
WEMP Addendum, Wildlife Camera Monitoring Summary Report (BHP Billiton, August 2012)
1 August 2012Report
This 2011 Wildlife Effects Monitoring Program (WEMP) addendum reports on a new motion-trigger camera monitoring initiative deployed around the EKATI Diamond Mine to monitor caribou and other wildlife interactions with Misery Road. The report presents preliminary data from 46 cameras deployed between July and November 2011, which recorded 877 caribou observations and documented that approximately 42% of caribou successfully crossed the road, suggesting Misery Road may not be a major barrier to wildlife movement during snow-free periods.
Wildlife Caribou Monitoring Grizzly Bear
Work Plan for the Fish Component of the Aquatic Effects Monitoring Program (AEMP), Ekati Diamond Mine (BHP Billiton, May 2012)
28 May 2012Report
This is a revised work plan for the fish component of the 2012 Aquatic Effects Monitoring Program at EKATI Diamond Mine, incorporating recommendations from the Wek'èezhii Land and Water Board. The plan details sampling methodologies for lake trout, round whitefish, and slimy sculpin across nine AEMP lakes, including non-lethal sampling techniques, tissue analyses for metals and hydrocarbons, and palatability assessments using DELT analysis and traditional knowledge.
Aquatic Effects Monitoring (AEMP)Aquatics Monitoring
Air Quality Monitoring Program, Ekati Diamond Mine (BHP Billiton, May 2012)
10 May 2012Report
This three-year Air Quality Monitoring Program report (2009-2011) for the EKATI Diamond Mine presents results from six monitoring components: meteorology, emissions calculations, ambient air quality monitoring (HVAS and CAM), dustfall, snow chemistry, and lichen tissue analysis. The report concludes that mining effects on air quality remain localized within approximately 1 km for heavier particles and 15 km for smaller particles, with values generally below relevant guidelines.
Air Quality Monitoring Greenhouse Gas
Environmental Agreement and Water Licence Annual Report 2011 (BHP Billiton, April 2012)
30 April 2012Report
BHP Billiton Canada Inc.'s 2012 Environmental Agreement and Water Licence Annual Report documents the EKATI Diamond Mine's 2011 operations and compliance with regulatory requirements, including water use, waste management, mining activities, and environmental monitoring programs. The report covers water and waste summaries, construction activities, reclamation work, aquatic effects monitoring, wildlife monitoring, and closure planning for the diamond mine located 300 km northeast of Yellowknife in the Northwest Territories.
Regulatory Water Licence Monitoring
Wildlife Effects Monitoring Program (WEMP) 2011, Ekati Diamond Mine (BHP Billiton, April 2012)
10 April 2012Report
BHP Billiton's 2011 Wildlife Effects Monitoring Program annual report documents wildlife and environmental effects from the EKATI Diamond Mine operations from October 2010 to December 2011, including habitat loss, wildlife-vehicle interactions, carnivore observations, caribou migrations, and effectiveness of mitigation strategies. The report presents 15 years of baseline and ongoing monitoring data for valued ecosystem components including caribou, grizzly bears, wolves, wolverines, foxes, and breeding birds in the 1,600-6,300 km² study area surrounding the mine in the Northwest Territories.
Monitoring Wildlife Caribou
Aquatic Effects Monitoring Program (AEMP) Summary Report, Ekati Diamond Mine (BHP Billiton, April 2012)
5 April 2012Report
BHP Billiton's 2011 Aquatic Effects Monitoring Program report for EKATI Diamond Mine documents changes in aquatic ecosystem parameters across the Koala and King-Cujo watersheds, finding 16 water quality variables with elevated concentrations downstream of the Long Lake Containment Facility discharge point, along with biological changes in phytoplankton and zooplankton communities, assessed against reference lakes and baseline conditions.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Part 2 — Data Report, Ekati Diamond Mine (BHP Billiton, April 2012)
1 April 2012Report
This is the 2011 Aquatic Effects Monitoring Program Part 2 Data Report for the Ekati Diamond Mine, prepared by Rescan Environmental Services for BHP Billiton Canada Inc. in April 2012. The report documents comprehensive aquatic environmental monitoring data collected from October 2010 to September 2011, including meteorology, hydrology, water quality, physical limnology, and biological communities (phytoplankton, zooplankton, benthic invertebrates) across lakes and streams in the Koala and King-Cujo watersheds.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality

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844 documents · Page 8 of 43