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766 documents · Page 21 of 39

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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
Environmental Assessment Information Update #8, Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (MVEIRB, July 2000)
20 July 2000Report
EA Information Update #8 from the Mackenzie Valley Environmental Impact Review Board detailing the progress of BHP Ekati Diamond Mines' environmental assessment for the Sable, Pigeon, and Beartooth Kimberlite Pipes project, including conformity decisions, information request procedures, and upcoming public meeting scheduled for August 30, 2000 in Yellowknife.
Development Plans Regulatory Exploration Closure & Reclamation
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
Information Release, Draft Rules of Procedure for Environmental Assessment and Impact Review Proceedings (MVEIRB, July 2000)
5 July 2000Memo
The Mackenzie Valley Environmental Impact Review Board announces a public consultation period on its draft Rules of Procedure for environmental assessment and impact review proceedings, accepting comments until September 1, 2000.
Regulatory Correspondence
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
Environmental Assessment (EA) Progress Report, Vol. 2 No. 2, Ekati Diamond Mine Expansion (MVEIRB, June 2000)
19 June 2000Report
Progress report on BHP's Environmental Assessment for the Ekati Diamond Mine expansion, covering conformity review completion, technical review timeline, and information request procedures for the environmental assessment process through September 2000.
Development Plans Regulatory Correspondence Traditional Knowledge
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
EA Information Update #6, BHP Ekati Diamond Mines Expansion (MVEIRB, May 2000)
17 May 2000Report
The Mackenzie Valley Environmental Impact Review Board distributed an update on BHP's Environmental Assessment Report for the Ekati Diamond Mines expansion, outlining key timeline milestones, conformity and technical review schedules, and community consultation activities conducted with various First Nations and territorial communities.
Development Plans Regulatory Traditional Knowledge Correspondence Métis
NWT Greenhouse Gas Strategy, Draft #2 Working Committee Final Report (GNWT, May 2000)
6 May 2000Report
This NWT Greenhouse Gas Strategy working committee final report outlines a framework for controlling greenhouse gas emissions in the Northwest Territories in response to the Kyoto Protocol obligations. It identifies 13 early action measures and 5 measures requiring further analysis, with estimated emissions reductions and implementation costs.
Greenhouse Gas Air Quality Development Plans Regulatory
EA Information Update #5, BHP Ekati Expansion (MVEIRB, April 2000)
27 April 2000Memo
The Mackenzie Valley Environmental Impact Review Board announces that BHP submitted its Environmental Assessment Report on April 27, 2000, and establishes key milestone dates for the review process, including comment deadlines and public consultation meetings across Northwest Territories communities.
Development Plans Regulatory Traditional Knowledge
Sable, Pigeon and Beartooth Development Regulatory File and BHP Socio Economic Annual Reports, Ekati Diamond Mine (Chris Mills, 1997 to 2000)
1 April 2000Report
This composite document contains two reports: (1) Chris Mills' technical review of BHP Diamonds' wastewater and tailings management for the NWT Diamonds Project, highlighting concerns about tailings characterization, turbidity discharge compliance, and acid neutralization potential; and (2) the 1999 Annual Report on Community Health and Well Being for BHP's point-of-hire communities, presenting socioeconomic monitoring data on employment, health outcomes, and social indicators for communities affected by the Ekati Mine development.
Wastewater Waste Rock Water Quality
Environmental Agreement and Water Licence Annual Report, Ekati Diamond Mine (BHP Billiton, March 2000)
31 March 2000Report
BHP Diamonds Inc.'s 1999 Environmental Agreement and Water Licence Annual Report documents the third year under the Environmental Agreement and the first full year of mine production at the Ekati Diamond Mine in the Northwest Territories, detailing operational activities, environmental monitoring programs, compliance status, and continuous improvement initiatives across water management, waste handling, wildlife protection, and reclamation efforts.
Environmental Agreement Water Licence Regulatory
Information Package on the Canadian Environmental Protection Act, 1999 (CEPA '99) (Environment Canada, March 2000)
31 March 2000Report
Speaking notes and information package explaining the Canadian Environmental Protection Act, 1999 (CEPA '99), which came into force on March 31, 2000. The document covers the Act's key objectives, administrative structures, public participation mechanisms, toxic substance controls, pollution prevention, waste management, and enforcement tools.
Regulatory Development Plans Water Quality Air Quality
Water Surveillance Network Program (SNP) Monthly Reports, Water Licence N7L2-1616, Ekati Diamond Mine (BHP Billiton, 1998 to 1999)
1 March 2000Report
Monthly water surveillance network program report for December 1999 and November 1999 from BHP Diamonds Inc. for the Ekati Diamond Mine, presenting detailed water sampling results, chemical analyses, flow measurements, and weather data from multiple monitoring stations in compliance with water licence N7L2-1616.
Monitoring Water Quality SNP
Information Exchange, Communication and Coordination Policy (IEMA, March 2000)
2000Report
Independent Environmental Monitoring Agency (IEMA, Yellowknife, monitor@yk.com) policy and procedure binder, ~2000-2001, covering the Agency's Information Exchange, Communication and Coordination Policy (handling public-record misinformation, distribution of inspection reports for the Class A water license / land leases / land use permits at the Ekati Diamond Mine, preliminary vs. detailed review procedures, fax cover sheets).
Environmental Agreement Correspondence Regulatory
Operating Environmental Management Plan and Supporting Documents A to F, Ekati Diamond Mine (BHP Billiton, February 2000)
2000Report
EKATI Diamond Mine Operating Environmental Management Plan (OEMP) Supporting Documents A-F (February 2000, BHP Diamonds Inc., Yellowknife). Includes Support Document D Spill and General Contingency Plan, the Waste Management Plan (Section 3.0 Contingency Planning for improper disposal / fire / extreme weather and safety-cease procedures for landfill operations), Air Quality Management & Monitoring Plan QA for ambient air monitoring systems (per US EPA Quality Assurance Handbook for Air Pollutant Measurement Systems), and references to Pomeroy / Marsh / Jones / Davies "Spatial Distribution of Snow Chemical Load at the Tundra-Taiga Transition" (Biogeochemistry of Seasonally Snow-covered Catchments).
Development Plans Regulatory Air Quality
Waste Rock & Ore Storage Management Plan and Wastewater & Processed Kimberlite Management Plan, Ekati Diamond Mine (BHP Billiton, February 2000)
1 February 2000Report
This document is the Waste Rock and Ore Storage Management Plan for the Ekati Diamond Mine, detailing the characterization, geochemical testing, and management strategies for mine waste rock, ore storage, and drainage from four kimberlite pipes (Panda, Koala, Misery, and Fox) scheduled for sequential mining between 1997 and 2014. The plan includes rock type geology, results of geochemical testing, water quality predictions, waste management strategies, and monitoring protocols required under the Type A Water Licence.
Waste Rock Acid Rock Drainage Geochemistry
Operating Environmental Management Plan (OEMP), Supporting Documents G to M, Ekati Diamond Mine (Echo Bay Mines, February 2000)
2000Report
EKATI Diamond Mine Operating Environmental Management Plan (OEMP) Supporting Documents G-M (February 2000). Includes Support Document G Echo Bay Mines Ltd. Highway and Winter Road Drivers' Policy and Procedures Manual (winter-road operations to/from Ekati), Archaeological Management Plan Summary of Recorded Archaeological Sites Table 1 (LeNu-1 through LeNu-x sites at Exeter esker recorded 1994 / revisited 1996-1997 with GPS coordinates, site types, impact predicted, previous-disturbance ratings), and Standards Council of Canada Accredited Laboratory No. 277 QA/QC plan for Dissolved Chromium/Cobalt/Copper and Total Coliforms (D.W. Wilson, Deputy Director, Standardization).
Development Plans Regulatory Correspondence Monitoring

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766 documents · Page 21 of 39