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206 documents · Page 9 of 11

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Waste Rock Storage Area Seepage Survey, Ekati Diamond Mine (BHP Billiton, November 1999)
1999Report
BHP Diamonds Inc. 1999 Waste Rock Area Seepage Survey "Book #10" — transmittal November 17 1999 to Gordon Wray, Chairman, NWT Water Board. Same survey as "#13 1999" with additional appendix material: Appendix A Test Methodologies (ETL EnviroTest sub-contracted labs in Edmonton, Calgary, Saskatoon, Thunder Bay, Winnipeg, Grande Prairie; analytical methods for Beryllium, Boron, Cadmium, Calcium, Chromium, Cobalt, Copper, Iron, Sulphate by Ion Chromatography), and weekly leachate test results from February-October 1995 (pH, acidity/alkalinity as CaCO3, conductivity, sulphate SO4) on the Panda waste rock pile draining to Beartooth Lake, with pH-below-6.0 trigger threshold for seepage controls.
Waste Rock Geochemistry Water Quality
Compliance Report, Water Licence N7L2-1616, Ekati Diamond Mine (BHP Billiton, July 1999)
20 July 1999Report
This 1998 compliance report documents BHP Diamonds Inc.'s adherence to water licence N7L2-1616 for the Ekati Diamond Mine, detailing water use, dewatering operations, construction projects, waste disposal, tailings management, environmental monitoring, and 17 inspections conducted during the year. Overall compliance is deemed satisfactory, though some non-compliance events occurred regarding runoff water quality and sewage discharge standards, which the licensee addressed through remedial infrastructure and operational modifications.
Regulatory Water Licence Water Quality
Water Licence N7L2-1616 Annual Report for 1998, Ekati Diamond Mine (BHP Billiton, March 1999)
1999Report
BHP Diamonds Inc. Annual Report for 1998 under Type A Water Licence N7L2-1616, submitted March 24 1999 to Gordon Wray, Chairman, NWT Water Board (Yellowknife), in accordance with Part B Section 5. Includes Surveillance Network Program station 1616-12 (September 15-21 1998) ICP-MS chemistry for Tot-Cadmium, Tot-Copper, Tot-Aluminum, Tot-Arsenic, Tot-Boron, pH, Orthophosphate, Biological Oxygen Demand, NO3-N + NO2-N, Ammonia-N, Nitrate; and the EKATI Diamond Mine Spill Contingency Plan covering Little Lake suspended-sediment containment, dam-to-Nema Lake topographic-low stockpiling restrictions, and intermediate-dike breach scenarios.
Water Licence Regulatory SNP
Separate Fund Resolution Mediation Binder (IEMA, 1999 to 2008)
1999–2008Email
Email transmitting meeting minutes and dispute documentation regarding the interpretation of IEMA's Separate Fund usage under the Resolution Agreement, specifically whether the fund covers only public hearings or broader regulatory processes including plan and report reviews for water licence approvals at Ekati Diamond Mine.
Environmental Agreement Correspondence Regulatory Closure & Reclamation
Environmental Impact Assessment Guidelines, Section 5: Preliminary Screening (MVEIRB, 1999)
~1999Report
Approximate date — inferred from filename
This document provides regulatory guidelines for the preliminary screening process under the Mackenzie Valley Resource Management Act, detailing how developments are evaluated for environmental impact, which parties conduct screenings, exemptions, and decision-making procedures. It outlines the procedural steps, factors to consider, and circumstances requiring referral to the Mackenzie Valley Environmental Impact Review Board.
Regulatory Development Plans Land Use Permit Environmental Agreement
Land Use Permit and Water Licence Inspection Reports, Ekati Diamond Mine, January 1999 to July 2001 (DIAND, 1999 to 2001)
1999–2001Report
Land Use Permit and Water Licence Inspection Reports binder January 1999 – July 2001, compiled by the Independent Environmental Monitoring Agency from INAC inspectors (Yellowknife Airport) for BHP Diamonds Inc. under Water Licence N7L2-1616. Includes photographic documentation of: snow-cleared diversion channel near the Misery road and Canyon area survey stakes, Misery Lake dewatering operations (three pumps, two CATERPILLAR generators GEA3517 / CAT POWER 225 with double-walled fuel tank, discharge flowing along natural drainage toward Lac de Gras), Coarse kimberlite rejects dumps west of the plant site within the waste-rock-dump footprint, Panda waste rock dump north of Panda pit and Koala sump, and frozen seepage from Coarse Kimberlite Rejects stockpiles.
Water Quality Regulatory Water Licence Wastewater
Exploration Correspondence & Land Use Permitting, Ekati Diamond Mine (BHP Billiton, December 1998 to April 2008)
1998Letter
Exploration (BHP) binder for the Ekati Diamond Mine claims (2002-2008). Includes correspondence between Dave Abernethy (BHPB), Jason Brennan (DIAND), Julie Ellison (BHPB), Bruce Hanna (DFO), and Latisha Heilman (MVLWB) on Mineral Exploration Pelonquin Lake Area, winter 2008 drilling program update MV2002C0040, amendment to Land Use Permit MV2001C0026 for ground geophysics, and Boxcar Camp exploration overview (77,000 L double-walled fuel tank, 10'x28' utility trailer on skis, bulldozer/tractor-trailers/water truck/snow cat equipment, grid-control pickets). Maps locate Gazelle, Phoenix, Piranha claim blocks relative to Ekati Diamond Mine and Diavik's proposed mine (UTM coordinates 64°30'-64°45'N, 110°-110°45'W).
Exploration Correspondence Regulatory
Waste Rock Storage Area Seepage Survey, Ekati Diamond Mine (BHP Billiton, November 1998)
1 November 1998Report
This 1998 waste rock storage area seepage survey documents monitoring of five seepage stations (SEEP001-98 through SEEP005-98) at the Ekati Diamond Mine, conducted in accordance with Water License N7L2-1616 requirements. The report presents field measurements and laboratory analysis of seepage quality from granitic waste rock and till dumps, with key findings showing elevated ammonia and aluminum concentrations at some stations, and recommendations for continued monitoring and improved quality assurance procedures in 1999.
Waste Rock Geochemistry Water Quality
Information Package on the Mackenzie Valley Land and Water Board (Government of Canada, 2000)
18 June 1998Report
This is the Mackenzie Valley Resource Management Act (Bill C-6), assented to June 18, 1998, which establishes an integrated co-management system for land and water in the Mackenzie Valley, implementing obligations under the Gwich'in and Sahtu land claim agreements through the creation of land use planning boards, land and water boards, and an environmental impact review board.
Regulatory Environmental Agreement Land Use Permit Traditional Knowledge
Compliance Report, Class 'A' Water Licence N7L2-1616, Ekati Diamond Mine (BHP Billiton, June 1998)
1 June 1998Report
This 1997 compliance report evaluates BHP Diamonds Inc.'s adherence to water licence N7L2-1616 for the Ekati Diamond Mine, documenting dewatering of multiple lakes, water use volumes, waste management plans, surveillance network monitoring, and 19 inspections with findings on water quality exceedances, spills, and remediation efforts throughout the year. The licensee's overall compliance is deemed satisfactory despite instances of non-compliance with effluent quality standards and delays in submitting required management plans.
Regulatory Water Licence Water Quality
Water Licence Annual Report for 1997, Water Licence N7L2-1616, Ekati Diamond Mine (BHP Billiton, March 1998)
31 March 1998Unknown / Unclassified
BHP Diamonds Inc.'s 1997 Annual Report for Water License N7L2-1616 documents water-related activities at the Ekati Diamond Mine during its construction phase. The report covers freshwater use, dewatering operations, process water management, sewage treatment, environmental monitoring, waste management plans, and spill incidents, with operational startup scheduled for October 1998.
Water Licence Wastewater Water Quality Waste Rock Closure & Reclamation
Outline of the A & B Water Licence Process (NWT Water Board, 1998)
~1998Report
Approximate date — inferred from filename
This document outlines the regulatory processes for obtaining "A" and "B" water licenses from the Northwest Territories Water Board, including application procedures, environmental assessment requirements, public hearing processes, and licensing timelines.
Regulatory Water Licence Water Quality Environmental Agreement
Sable, Pigeon & Beartooth Kimberlite Pipes Environmental Assessment Case File, Binder 1, Tab 1 General Information (IEMA, 1998 to 2002)
1998–2002Report
Sable, Pigeon and Beartooth (SPB) Binder 1 for the Ekati Diamond Mine BHP Billiton Diamonds Inc. (2001-2002). Tab 1 General Information including Information Update #8 on EA progress for SPB Kimberlite Pipe development, BHP commitment to update relevant plans and monitoring programs under the Environmental Agreement, correspondence Marc Lange (DFO) / Derek Chubb (BHP) / Scott Williams (BHP) / Zabey Nevitt (Agency). Includes MVEIRB issued Environmental Assessment Terms of Reference for the BHP Diamonds Inc. Beartooth, Pigeon and Sable Kimberlite Pit Mine Extension covering Developer Identification, Tenure, Developer's Policies, Performance Record, Regulatory Regime, and Conformity. Also includes wolf-den-site discussion (revisitable previously-active sites, two-week pre-monitoring requirements, natal-den-site preferences).
Development Plans Regulatory Correspondence Water Licence
Guidelines for the Conduct of N.W.T. Water Board Public Hearings (NWT Water Board, 1998)
~1998Report
Approximate date — inferred from filename
The Northwest Territories Water Board has established procedural guidelines for conducting public hearings, detailing requirements for applicant presentations, intervenor interventions, hearing conduct, questioning protocols, and administrative procedures.
Regulatory Water Licence
Waste Rock and Ore Storage Management Plan, NWT Diamonds Project (BHP Billiton, December 1997)
30 December 1997Report
BHP Diamonds Inc. submits a comprehensive Waste Rock and Ore Storage Management Plan for the Ekati Diamond Mine in the Northwest Territories, detailing the geochemical characterization of rock types from five kimberlite pipes (Panda, Koala, Misery, Fox, and Leslie), acid/alkaline rock drainage potential, and management strategies for waste disposal over the mine's operational life and closure.
Acid Rock Drainage Waste Rock Geochemistry
Information Exchange, Communication and Coordination Policy (IEMA, November 1997)
5 November 1997Letter
The Independent Environmental Monitoring Agency transmits its draft "Policy Respecting Information Exchange, Communication and Coordination" to the NWT Water Board for comment, establishing protocols for how the Agency will interact with regulatory bodies, BHP, and government regarding environmental information sharing and coordination related to the Ekati Diamond Mine.
Environmental Agreement Correspondence Regulatory Traditional Knowledge
Modifications to Repair the Phase 1 Tailings Containment Area (BHP Billiton, October 1997)
6 October 1997Letter
BHP Diamonds Inc. requests modification to water licence N7L2-1616 to repair and reline the Phase 1 tailings containment area due to liner damage discovered during inspection. The remediation work includes dewatering the unlined portion, removing the pumphouse, installing a new HDPE liner, and infilling with till material and waste rock.
Regulatory Water Licence Waste Rock
Water Licence N7L2-1616 Administrative Correspondence, Northwest Territories Water Board, BHP Diamonds & DIAND (NWT Water Board, October to November 1997)
1997Email
Email and faxed-letter correspondence binder for the Ekati Diamond Mine (1997-1998) — Indian and Northern Affairs Canada (DIAND, Yellowknife), distribution to Karen Azinger (BHP), Catherine MacQuarrie / Paul Bachand / Fred McFarland / David Milburn (DIAND), Government of the Northwest Territories, Nigel Bankes (Canadian Arctic Resources Committee). Includes NWT Water Board correspondence on Water Register N7L2-1616 (October 27 1997 letters to J.D. Excell, VP Operations BHP Diamonds Inc.), DIAND technical contacts Greg Cook (867-669-2656) and David Milburn (867-669-2650), Darren Unrau (Resource Management Officer DIAND South Mackenzie District), and IEMA contact details.
Correspondence Regulatory Water Licence Monitoring Development Plans
Industrial Water Use Inspection Reports & Related Correspondence, NWT Diamonds Project (DIAND, July to October 1997)
17 September 1997Report
A comprehensive collection of industrial water use inspection reports from September-October 1997 for BHP Diamonds Inc.'s NWT Diamonds Project (Ekati Mine) under water licence N7L2-1616, documenting dewatering operations at multiple lakes, tailings management, waste disposal compliance, and environmental monitoring program requirements.
Regulatory Water Licence Inspections Waste Rock
Summary of the Independent Review of the BHP Diamond Mine Process (CIRL, 1997)
30 June 1997Report
This independent review by the Canadian Institute of Resources Law examines the regulatory processes, agreements, and decision-making framework that led to approval of BHP's diamond mine in the Lac de Gras area of the Northwest Territories. The report documents the Environmental Agreement, water licence, Impact and Benefits Agreements, and Socio-Economic Agreement, and provides recommendations for applying this model to future mineral development in the North.
Environmental Agreement Development Plans Regulatory Traditional Knowledge

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206 documents · Page 9 of 11