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Public Hearing Submission Supporting the Ekati (Koala) Diamond Project (Gordon Stewart, Braden Burry Expediting Services Ltd., January 1996)
11 January 1996Presentation
Gordon Stewart, owner of Braden Burry Expediting Services and BHP contractor, presents arguments to a regulatory panel supporting the Ekati (Koala) Diamond Project, emphasizing its economic benefits, environmental manageability, employment opportunities for northerners, and the precedent set by successful mine operations in established communities.
Development Plans Correspondence Wildlife Closure & Reclamation Traditional Knowledge
Navigable Waters Protection Act Application Package, NWT Diamonds Project (BHP Billiton, January 1996)
5 January 1996Regulatory Filing
BHP Diamonds Inc. submits a comprehensive application to the Canadian Coast Guard under the Navigable Waters Protection Act for the proposed NWT Diamonds Project, a 25-year diamond mining operation involving five kimberlite pipes in the Lac de Gras region northeast of Yellowknife. The application details all engineered structures affecting navigable waters including water intakes, dewatering systems, tailings disposal facilities, dams, and water crossings, with environmental considerations for stream habitat protection and downstream water quality management.
Regulatory Development Plans Water Quality Fish Habitat
Assessing the Potential for Significant Metal Leaching or Acid Rock Drainage (ML/ARD) (BHP Billiton, 1996)
~1996–2001Report
This technical guidance document provides comprehensive procedures and interpretation methods for assessing the potential for acid rock drainage (ARD) and metal leaching (ML) from mining materials, including material characterization, static and kinetic testing approaches, and criteria for predicting ARD generation.
Acid Rock Drainage Waste Rock Geochemistry Kimberlite Tailings
Assessing the Potential for Significant Metal Leaching or ARD, Part 3: Two Important Additional Properties and Conclusions (BHP Billiton, unknown)
~1996–2001Report
This technical document assesses methodologies for predicting metal leaching and acid rock drainage (ARD) potential in mining operations, covering characterization techniques including mineralogy, particle size analysis, and geochemical testing procedures across multiple mine components.
Acid Rock Drainage Waste Rock Geochemistry Development Plans
Presentation to the Environmental Assessment Review Panel Regarding the BHP NWT Diamonds Project (Jake Ootes, MLA, Yellowknife Centre, 1996)
~1996Presentation
Approximate date — inferred from filename
Jake Ootes, MLA for Yellowknife Centre, presents to the Environmental Assessment Review Panel in support of the BHP NWT Diamonds Project, arguing that the territory's economic crisis and high unemployment make the mine essential for job creation, economic diversification, and northern self-sufficiency while emphasizing the need for responsible development that minimizes environmental damage and addresses aboriginal and social concerns.
Development Plans Correspondence Environmental Agreement Traditional Knowledge
Glossary of Terms Used in Metal Leaching and Acid Rock Drainage (ML/ARD) Work (BC Ministry of Energy and Mines, 1997)
~1996–2001Report
A comprehensive glossary defining technical terms, acronyms, and concepts used in metal leaching and acid rock drainage (ML/ARD) work, developed by the British Columbia Ministry of Energy and Mines to standardize terminology across mining, geology, chemistry, hydrology, geotechnical engineering, and related disciplines.
Acid Rock Drainage Waste Rock Geochemistry Monitoring
Submission Opposing Diamond Mining, Public Hearing (Alice Legat, February 1996)
~1996Letter
Approximate date — inferred from filename
A letter from private citizen Allice Legat opposing diamond mining in the Northwest Territories, arguing that diamonds can be manufactured and advocating instead for baseline ecological studies, harvesting assessments, and long-term land use planning to protect caribou, wildlife habitat, and traditional land-based economies.
Correspondence Wildlife Caribou Development Plans
Brief Description of MDAG Products (MDAG Publishing, 1996)
~1996–2001Report
MDAG Publishing catalog describing six main products related to minesite drainage assessment and environmental geochemistry, including a flagship textbook, kinetic database, specialized spreadsheets, and a paper database, with an order form for purchasing these resources.
Waste Rock Acid Rock Drainage Geochemistry
Mackenzie Valley Environmental Impact Review Working Group Brochure (MVEIRB, May 1996)
~1996Report
Approximate date — inferred from filename
This document describes the structure and purpose of the Mackenzie Valley Environmental Impact Review Board and its interim Working Group, established in 1996 to conduct environmental assessment and review of developments in the Mackenzie Valley through a three-part process: preliminary screening, environmental assessment, and environmental impact review.
Environmental Agreement Regulatory Development Plans Traditional Knowledge
Assessing Mine Waste Rock Drainage Risk, Acid Rock Drainage Geochemistry Guidance (BHP Billiton, 1996)
~1996–2001Report
This document provides technical guidance on assessing mine waste drainage risk, covering the complex factors influencing water quality at mining operations and presenting an Eh-pH diagram for the iron-oxygen-water system to illustrate geochemical stability relationships.
Waste Rock Acid Rock Drainage Geochemistry Kimberlite Tailings
Various Lake Studies, Ekati Diamond Mine: Beartooth Lake, King Pond, Long Lake and Lac de Gras (BHP Billiton, 1996 to 2001)
1996–2001Report
Various Lake Studies binder (Beartooth Lake, King Pond, and others) for the Ekati Diamond Mine. Tab 1 Beartooth Lake includes BHP 2000 Panda Waste Rock Storage Area Beartooth-Bearclaw drainage Seepage and Waste Rock survey reports (February 15 2001 to MVLWB), King Pond fish-habitat compensation plan information requests (Pete Cott DFO, Red Pedersen Agency, September 13-20 2000), King Pond Rescan 1999 fish-community survey using fifteen index gill-net sets over 22.08 hours (late August 1999 — Application of the Fisheries Act to King Pond on sustainable-fishery criteria), and detailed field water chemistry (pH, temperature °C, conductivity µS/cm, Total Phosphorus mg/L) measurements.
Aquatics Fish Habitat Waste Rock
Nunavut Impact Review Board, Draft Rules of Practice & Board Summary (NIRB, 1996)
~1996Report
Approximate date — inferred from filename
This document presents the draft Rules of Practice for the Nunavut Impact Review Board (NIRB), detailing the procedural and operational framework for environmental assessment of development projects in the Nunavut Settlement Area under the Nunavut Land Claims Agreement. The rules cover screening processes, review procedures, public hearings, evidence standards, and decision-making criteria designed to protect ecosystem integrity while assessing project impacts on residents and communities.
Regulatory Environmental Agreement Traditional Knowledge
Aquatic Effects Monitoring Program (AEMP) File, Binder 1 — Water Licence N7L2-1616, Ekati Diamond Mine (BHP Billiton, 1996–2002)
1996–2002Report
Aquatic Effects Monitoring Binder 1 for the Ekati Diamond Mine (BHP) — comprehensive Koala Watershed monitoring document. Includes Surveillance Network Program station maps (1616-2, 1616-8, 1616-10, 1616-12, 1616-13, 1616-14, 1616-15, 1616-16, 1616-17, 1616-20, 1616-21, 1616-22, 1616-25, 1616-26, 1616-27, 1616-28, 1616-29, 1616-35), problem-formulation with spatial boundary (Koala Watershed), temporal baseline years (1993-1997) vs operational years (1998-2000), 95% species-protection assessment endpoint, copper dose-response curve (deficiency / homeostasis / toxicity), BHP EKATI Aquatic Monitoring Program schematic linking Environmental Agreement to Water Licence Annual Report, baseline fish data and Pointe de Misère core sampling for palaeoclimate studies along the Lupin Mine Road area near Lac de Gras.
Aquatic Effects Monitoring (AEMP)Aquatics Monitoring
Notes to the Public Hearings, BHP Environmental Review (Dogrib Nation, January 1996)
~1996Presentation
Approximate date — inferred from filename
This document contains public hearing notes from the Dogrib Nation regarding BHP's diamond mine environmental review, emphasizing Dogrib sovereignty, land rights, traditional knowledge integration, and concerns about environmental and socio-economic impacts, along with government and community profiles of the Dogrib North Slave region.
Traditional Knowledge Development Plans Wildlife Yellowknives Dene
Type A Water Licence N7L2-1616 Application Case File, NWT Diamonds (Ekati) Project (NWT Water Board, 1996 to 1997)
1996–1997Letter
NWT Water Board / BHP file binder October 18 1996 — Water Register N7L2-1616 correspondence with Pape & Salter Barristers & Solicitors (Vancouver — Arthur Pape) and Ferguson Gifford Barristers & Solicitors (Martin Gifford, Leonard Polsky, Eva-Lisa Helin, Ross Ellis, C. Anthony Wiisua, Michael MoDolo). Includes November 1996 Recommendations and Options for Establishing Effluent Quality Standards for the BHP Diamond Project Tailings Containment Area (variable effluent quality standard — non-compliance categorization, public perception of arsenic problems, Arsenic Total average 0.015 mg/L / max 0.03 mg/L WHO Aquatic Life standard, Cadmium dissolved/total Niwe-MenMer reference), and July 1997 NWT Water Board correspondence to J.D. Excell (VP Operations BHP, Greg Cook 403-669-2656, Dave Milburn).
Regulatory Water Licence Correspondence
Water Quality Standards for Contaminated Sites, BC Water Quality Criteria & Maximum Metal Leaching Effluent Regulations (BHP Billiton, January 1996)
~1996–2001Report
A water quality standards table comparing British Columbia guidelines and maximum limits for contaminants, specifying aquatic life and drinking water thresholds for various substances with hardness-dependent values where applicable.
Water Quality Effluent Quality Criteria Aquatics
Eskay Creek Mine Acid Rock Drainage (ARD) Case Study (Homestake Canada, 1999)
~1996–2001Report
Case study examining the Eskay Creek gold, silver, and base metal mine's waste management strategies, focusing on acid-generating rock (PAG) disposal options and the selection of underwater disposal in Albino Lake and Big Tom Lake as the optimal mitigation strategy to prevent acid rock drainage and protect receiving environments. The document includes monitoring data for contaminants including antimony, zinc, and total suspended solids from 1994-2000.
Waste Rock Acid Rock Drainage Closure & Reclamation
Environmental Fact Sheet, Equity Division (Placer Dome Canada, 1996)
~1996–2001Report
An environmental fact sheet for the Equity Division (Placer Dome Canada) minesite in central British Columbia, documenting mining operations, geology, waste management systems, acid rock drainage treatment, monitoring programs, and reclamation efforts including waste dump cover design and research.
Waste Rock Acid Rock Drainage Closure & Reclamation
Presentation to BHP Corporation on Royalties for Long Term Sustainability (Tommy Lafferty, January 23, 1996)
~1996Presentation
Approximate date — inferred from filename
Tommy Lafferty, representing Chief Jimmy Bruneau and students from Bruneau Regional High School, presents to BHP Corporation requesting royalties rather than scholarships to ensure long-term sustainability for Indigenous communities, emphasizing the need for environmental stewardship and land rights in relation to the diamond mine operation.
Traditional Knowledge Development Plans Correspondence Environmental Agreement
Agreements and Authorizations Binder, Ekati Diamond Mine (IEMA, 1996 to 2008)
1996–2008Report
Agreements and Authorizations binder for the Ekati Diamond Mine — includes Section 35(2) Fisheries Act Authorization workplan for BHPB's Sable, Pigeon & Beartooth developments, five-year-review process for the Environmental Agreement signatories (Sheryl Grieve), Fisheries and DFO Fish Habitat Compensation Agreement (December 17 1996) for lake dewatering and stream diversion compensation to mitigate waste-rock-dump impacts, and operational details including annual consumption of bulk explosives at the mine site (Ammonium Nitrate Prill 12,000 t/yr, Fuel Oil 840, Fuel Dye 500 L) and storage facilities (15,000 t ammonium nitrate prill capacity with power/water/telephone/sewage/diesel services). Includes correspondence with DIAND (Jason Brennan) and BHPB (Richard Ehlert, Ricus Grimbeek).
Environmental Agreement Regulatory Water Licence

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1,662 documents · Page 68 of 84