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940 documents · Page 27 of 47

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King Pond Fish Habitat Compensation Program, Ekati Diamond Mine (BHP Billiton, September 2000)
1 September 2000Report
BHP Diamonds Inc. proposes a fish habitat compensation plan for King Pond at the Ekati Diamond Mine, which will be converted into a water settling facility for the Misery Pit development. The plan addresses harmful alteration of fish habitat (HADD) under the federal Fisheries Act and implements the Department of Fisheries and Oceans' No Net Loss policy through mitigation measures during operation and habitat restoration and enhancement following mine closure.
Fish Habitat Regulatory Development Plans Closure & Reclamation
Report of Toxicity Testing, Beartooth and Bearclaw Seepage Stations, Ekati Diamond Mine (EP Laboratories, June to August 2000)
15 August 2000Report
June-July 2000 bioassay reports from EP Laboratories Ecotoxicology Lab (Edmonton) testing toxicity of BHP Ekati Mine seep water to Rainbow Trout (Oncorhynchus mykiss) fingerlings. Results sent to Steve Harbicht at the Environmental Protection Branch, NT. Covers Seep 022 (sample 00-01396, 100% mortality - acutely lethal) and Seep 001 samples. Documents 96-hour LC50 methodology, phenol reference-toxicant QC, pH, dissolved oxygen, and conductivity.
Aquatics
Information Requests Response, Environmental Assessment, Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (BHP Billiton, August 2000)
1 August 2000Regulatory Filing
BHP Diamonds Inc. submitted responses to environmental information requests from multiple federal and territorial regulatory agencies regarding the proposed expansion of the Ekati Diamond Mine to include development of the Sable, Pigeon, and Beartooth kimberlite pipes. The document addresses technical and environmental concerns including climate and precipitation data quality, nutrient discharge impacts, pit reclamation methods, water source impacts, haul road effects on caribou, waste rock drainage risks, and the integration of traditional knowledge into environmental management.
Development Plans Environmental Agreement Air Quality
Sable, Pigeon and Beartooth Kimberlite Pipes Information Requests and Responses (BHP Billiton, August 2000)
1 August 2000Regulatory Filing
BHP Diamonds Inc. submitted responses to information requests from multiple regulatory agencies regarding the proposed expansion of the Ekati Diamond Mine to include three new kimberlite pipes (Sable, Pigeon, and Beartooth). The document addresses technical and environmental concerns raised by Environment Canada, Fisheries and Oceans Canada, the Independent Environmental Monitoring Agency, and the Department of Indian Affairs and Northern Development regarding mining methods, transportation alternatives, water quality impacts, waste rock management, caribou effects, and traditional knowledge integration.
Development Plans Regulatory Water Quality Fish Habitat
A Tłı̨chǫ Perspective on Biodiversity (Dogrib Treaty 11 Council, August 2000)
~2000Report
Approximate date — inferred from filename
This Tłįchọ perspective on biodiversity documents traditional knowledge of the Dogrib people regarding flora, fauna, and habitats within the BHP Claim Block near Ekati Diamond Mine, with particular focus on culturally significant sites, burial grounds, and the interconnected relationships within the land (dè) as a holistic ecosystem.
Tłı̨chǫ Traditional Knowledge Wildlife Fish Habitat
Preliminary Data and Status for Waste Rock Seepage Study, June 2000 (BHP Billiton, July 2000)
6 July 2000Report
BHP Diamonds Inc. submitted preliminary seepage monitoring data and status update for June 2000 to the Mackenzie Valley Land and Water Board, documenting water quality analyses from seepage monitoring stations at the Panda Waste Rock Storage Area and reference tundra stations. The report indicates confirmed seepage flows from the waste rock pile were not identified during June due to dry conditions following snowmelt, with analytical results for major ions, metals, and other water quality parameters from multiple monitoring and reference locations.
Waste Rock Water Quality Monitoring
Conformity Response, Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (BHP Billiton, July 2000)
1 July 2000Regulatory Filing
BHP Diamonds Inc.'s conformity response to the Review Board addressing six non-conformity items regarding the proposed development of Sable, Pigeon, and Beartooth kimberlite pipes at Ekati Diamond Mine, including temporary shutdown procedures, migratory bird habitat assessment, kimberlite toxicity testing, vegetation classifications, temporal boundaries for environmental assessment, and quarry site selection for construction materials.
Development Plans Closure & Reclamation Wildlife Air Quality
Sable, Pigeon & Beartooth Kimberlite Pipes Information Requests and Responses (BHP Billiton, July 2000)
1 July 2000Regulatory Filing
This document is a compilation of environmental assessment information requests and responses from multiple Canadian federal agencies (Environment Canada, Department of Fisheries and Oceans, Department of Indian Affairs and Northern Development) regarding BHP's proposed expansion of the Ekati Diamond Mine to develop the Sable, Pigeon, and Beartooth kimberlite pipes in the Northwest Territories, covering topics including meteorology, hydrology, water quality, air quality, waste rock management, and aquatic effects monitoring.
Development Plans Regulatory Water Quality Aquatics
Spring Waste Rock Storage Area Seepage Survey Case File, Ekati Diamond Mine (BHP Billiton, July to August 2000)
2000Report
BHP Diamonds Inc. Spring 2000 Waste Rock Storage Area Seepage Survey Report submitted to the Mackenzie Valley Land and Water Board (Melody Macleod), under Water Licence Application NFL2-1616, August 9 2000. Includes ENVIRO-TEST Chemical Analysis lab reports (Edmonton) of seepage samples for sulfate (SO4 — 2180 mg/L peak), total suspended solids, turbidity, pH, conductivity, total alkalinity, ammonia-N, nitrate, uranium (U), vanadium (V), zinc (Zn), and other metals, plus an Enhanced Monitoring and Confirmation Plan emphasizing sulphide content tracking in the Panda pit.
Waste Rock Geochemistry Water Quality
Information Requests Response, Sable, Pigeon & Beartooth Kimberlite Pipes Environmental Assessment (BHP Billiton, July 2000)
1 July 2000Regulatory Filing
This compilation of information requests and responses addresses environmental assessment questions from Environment Canada, Department of Fisheries and Oceans, and Department of Indian Affairs and Northern Development regarding BHP's proposed expansion of the Ekati Diamond Mine to include Sable, Pigeon, and Beartooth kimberlite pipes. The document covers meteorological data, water balance, air quality impacts, waste rock management, sediment quality, and hydrological design parameters for the proposed development.
Development Plans Monitoring Air Quality
BHP Environment and Community Report 2000 (BHP Billiton, June 2000)
30 June 2000Report
BHP's Corporate Environment and Community Report 2000 presents the company's environmental and social performance across its global mining, petroleum, and steel operations for the 13-month period ending 30 June 2000. The report outlines BHP's integrated Health, Safety, Environment and Community Policy, management standards, project lifecycle approaches, and performance against targets aligned with the company's goal of zero harm to people and the environment.
Development Plans Air Quality Water Quality Waste Rock Wildlife
Waste Rock Seepage Issues, Water Licence N7L2-1616 (MVLWB, June 2000)
2 June 2000Letter
The Mackenzie Valley Land and Water Board denies BHP's request to suspend pH licence limits and instead directs enhanced monitoring and confirmation measures for waste rock seepage, particularly addressing potential acid mine drainage development at the Panda Waste Rock Storage Area draining to Beartooth Lake. The document includes regulatory correspondence, technical geochemical review findings confirming AMD formation, and meeting minutes regarding the 1999 Waste Rock Seepage Survey results.
Waste Rock Acid Rock Drainage Water Quality
Environmental Impact Report 2000, Ekati Diamond Mine (BHP Billiton, April 2000)
25 April 2000Report
BHP Diamonds Inc.'s Environmental Impact Report 2000 assesses the biophysical effects of the Ekati Diamond Mine on valued ecosystem components from June 1996 through December 1999, comparing actual performance against predictions in the 1995 Environmental Impact Statement and describing adaptive management strategies, monitoring programs, and reclamation efforts.
Development Plans Monitoring Water Quality
Environmental Assessment Report, Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (BHP Billiton, April 2000)
1 April 2000Regulatory Filing
This Environmental Assessment Report evaluates the proposed development of the Sable, Pigeon, and Beartooth kimberlite pipes at the Ekati Diamond Mine in the Northwest Territories, prepared by BHP Diamonds Inc. in response to Terms of Reference issued by the Mackenzie Valley Environmental Impact Review Board in December 1999. The report comprehensively assesses environmental, social, economic, and cultural impacts of the proposed mining expansion across all valued ecosystem components.
Development Plans Environmental Agreement Waste Rock
Environmental Assessment Executive Summary, Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (BHP Billiton, April 2000)
1 April 2000Regulatory Filing
This is an environmental assessment executive summary prepared by BHP Diamonds Inc. for the proposed addition of Sable, Pigeon and Beartooth kimberlite pipes to the existing Ekati Diamond Mine in the Northwest Territories. The document describes the mine's location, history, operations, environmental baseline conditions, and predicted effects on wildlife, water, air, and socio-economic factors in the region.
Development Plans Exploration Wildlife
Environmental Assessment Executive Summary, Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (BHP Billiton, April 2000)
1 April 2000Regulatory Filing
This executive summary presents BHP Diamonds Inc.'s environmental assessment for the proposed addition of three kimberlite pipes (Sable, Pigeon, and Beartooth) to the existing Ekati Diamond Mine in the Northwest Territories, submitted to the Mackenzie Valley Environmental Impact Review Board in April 2000. The document outlines the mine's history, environmental setting, proposed development scope, anticipated environmental effects, management plans, and commitments to Aboriginal consultation and long-term environmental stewardship.
Development Plans Exploration Environmental Agreement Water Quality Traditional Knowledge
Environmental Assessment Executive Summary, Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (BHP Billiton, April 2000)
1 April 2000Report
BHP Diamonds Inc.'s environmental assessment executive summary for the proposed development of Sable, Pigeon and Beartooth kimberlite pipes at the Ekati Diamond Mine in the Northwest Territories, assessing environmental, social and economic effects and describing mitigation measures and baseline studies conducted between 1997-1999.
Development Plans Exploration Environmental Agreement Wildlife
Environmental Assessment Executive Summary, Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (BHP Billiton, April 2000)
1 April 2000Regulatory Filing
This is an environmental assessment executive summary for BHP Diamonds Inc.'s proposal to develop three additional kimberlite pipes (Sable, Pigeon, and Beartooth) at the Ekati Diamond Mine in the Northwest Territories. The document outlines the company's environmental management plans, mitigation strategies, and predicted effects on water quality, wildlife, traditional land use, and the regional economy.
Development Plans Exploration Water Quality Traditional Knowledge Environmental Agreement
Preliminary Design of Water Control Structures for Sable, Pigeon and Beartooth Pit Developments, Ekati Diamond Mine (EBA Engineering, April 2000)
1 April 2000Report
Preliminary design report for water control structures at three proposed kimberlite pit developments (Sable, Pigeon, and Beartooth) at the Ekati Diamond Mine, including specifications for retention dams, filter dykes, stream diversions, and water management systems to address pit dewatering, sediment control, and environmental protection.
Development Plans Water Quality Monitoring Wastewater
Environmental Impact Report 2000, Ekati Diamond Mine (BHP Billiton, April 2000)
1 April 2000Report
BHP Diamonds Inc.'s Environmental Impact Report for 2000 documents the biophysical effects and impacts of the Ekati Diamond Mine on valued ecosystem components from June 1996 through December 1999, comparing actual performance against predictions in the 1995 Environmental Impact Statement and describing adaptive management strategies employed to mitigate environmental effects.
Development Plans Monitoring Wildlife

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940 documents · Page 27 of 47