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Bear Tracks No. 6, Radio-Collars Removed & Grizzly Bear Capture Summary, Central Arctic NWT (GNWT, June 1999)
1 June 1999Report
A newsletter documenting the removal of satellite and VHF radio-collars from barren-ground grizzly bears in the central Arctic NWT during spring 1999, and reporting on denning results, capture summaries, and bear movements from the first phase of the NWT Grizzly Bear Project (1995-1999). The study emphasizes the need for a population estimate to ensure proper management given concerns about mortality from hunting and habitat loss due to human development.
Grizzly Bear Wildlife Habitat Assessment Traditional Knowledge
Air Quality Monitoring, Ekati Diamond Mine (BHP Billiton, May 1999)
1999Report
BHP Diamonds Inc. 1998 Air Quality Monitoring Annual Report (Yellowknife, May 3 1999). Documents NOx/SOx emissions and lichen-based bioindication of ambient air quality (sulphur correlations, Laaksovirta & Olkkonen 1977/1979; Manninen et al. 1991), with eutrophication risks of nitrogen deposition (Wetzel 1983), and tissue metals analytical results at monitoring stations AQ-1 and AQ-6 in the Project Area (August 1998 — Lithium, Molybdenum, Nickel, Selenium, Silver, Strontium, Thallium, Titanium, Uranium, Vanadium, Zinc, Mercury). Includes detection-limit data and station maps.
Air Quality Monitoring Particulate Matter
BHP Diamonds Inc. Newsletter, Issue 1, Ekati Diamond Mine (BHP Billiton, May 1999)
1 May 1999Report
BHP Diamonds Inc. May 1999 newsletter reporting on operations at the Ekati Diamond Mine, including opening of the Sorting and Valuation Facility in Yellowknife, first aid competition results, employee updates, socio-economic agreements with northern communities, safety initiatives, and recognition of the frozen core dam design as a 1999 CEA Showcase Award winner.
Development Plans Monitoring Waste Rock Water Quality
Environmental Agreement Annual Report 1998, Ekati Diamond Mine (BHP Billiton, April 1999)
30 April 1999Report
BHP Diamonds Inc.'s 1998 Environmental Agreement Annual Report documents the Ekati Diamond Mine's transition from construction to operations, including compliance monitoring results, environmental studies, wildlife and aquatic effects monitoring, and continuous improvement initiatives. The report covers operations of the Panda pit, water licence compliance, processed kimberlite management, and various mitigation measures for environmental protection in the Northwest Territories.
Environmental Agreement Monitoring Water Quality
Air Quality Monitoring Report, Ekati Diamond Mine (BHP Billiton, April 1999)
30 April 1999Report
BHP's 1998 Air Quality Monitoring Report for the Ekati Diamond Mine documents emissions calculations, high-volume air sampling results showing elevated TSP levels in May and July, snow survey chemistry analysis identifying mine-related metal deposition in the Koala watershed, and lichen tissue biomonitoring detecting significantly elevated trace metals near mining operations compared to control areas.
Air Quality Monitoring Particulate Matter
Environmental Agreement Annual Report 1998, Ekati Diamond Mine (BHP Billiton, April 1999)
30 April 1999Report
This is the 1998 Environmental Agreement Annual Report for the Ekati Diamond Mine, submitted by BHP Diamonds Inc. on April 30, 1999. The report documents the mine's transition from construction to full operational phase in October 1998, including comprehensive environmental monitoring results, compliance status with Water Licence N7L2-1616, and detailed accounts of wildlife, aquatic, air quality, and operational environmental management activities throughout 1998.
Environmental Agreement Monitoring Water Quality
14th Board of Directors Meeting Package (IEMA, July 1999)
16 April 1999Meeting Minutes
Minutes from the 13th Board of Directors Meeting of the Independent Environmental Monitoring Agency (April 16-18, 1999) documenting discussions on Ekati Diamond Mine operations, including budget negotiations with BHP, kimberlite toxicity studies, tailings management concerns, fish habitat compensation planning, and regulatory processes for mine expansion applications involving Sable, Pigeon, and Beartooth kimberlite pipes.
Board Meetings Minutes Water Quality Fish Habitat Development Plans
Air Quality Monitoring at the Ekati Diamond Mine Using Vegetation and Lichens as Bioindicators (ABR Inc., 1999)
1 April 1999Report
This report documents the initial air quality monitoring program at the Ekati Diamond Mine using vegetation and lichens as bioindicators, including a comprehensive literature review on the use of lichens and mosses for detecting atmospheric contaminants and 1998 baseline results comparing trace metal concentrations in lichen tissue between project area and reference area stations.
Air Quality Monitoring Particulate Matter Development Plans Water Quality
State of Knowledge Report, West Kitikmeot/Slave Study Area (West Kitikmeot/Slave Study Society, April 1999)
1 April 1999Report
A comprehensive state of knowledge report on the West Kitikmeot/Slave Study area covering environmental, ecological, and human dimensions, including climate, geology, ecosystems, human pressures, and research needs. The report integrates scientific and traditional knowledge about the region's ecosystems and documents environmental stresses from mining, development, and other human activities.
Traditional Knowledge Wildlife Water Quality
Protecting Traditional Ecological Knowledge in Environmental Assessments and Land Use Studies: Mechanisms and Recommendations (Natural Resources Institute, University of Manitoba, April 1999)
1 April 1999Report
A comprehensive report examining mechanisms for protecting traditional ecological knowledge (TEK) in Canadian environmental assessments and land use studies, with case studies including the Ekati Diamond Mine project, and recommendations for legal and non-legal protective frameworks for First Nations proprietary knowledge.
Traditional Knowledge Development Plans Yellowknives Dene Environmental Agreement Monitoring
13th Board of Directors Meeting Package (Independent Environmental Monitoring Agency, April 1999)
31 March 1999Report
This is the 1998-99 Annual Report of the Independent Environmental Monitoring Agency, covering activities from April 1, 1998 to March 31, 1999. The report documents the Agency's role as an independent environmental watchdog for the Ekati Diamond Mine, including board meetings, community consultations with Aboriginal organizations, aquatic effects monitoring results, traditional knowledge integration efforts, and concerns regarding project expansion at Misery, Sable, Pigeon, and Beartooth sites.
Board Meetings Minutes Aquatic Effects Monitoring (AEMP)
Reclamation Cost Estimate for Closure in 1999, Ekati Diamond Mine (BHP Billiton, March 1999)
4 March 1999Report
This document provides a detailed reclamation cost estimate for the Ekati Diamond Mine assuming closure in 1999, broken down by reclamation unit (Panda Pit, Panda Waste Dump, Long Lake Containment Area, Buildings and Facilities, and Chemicals/Contaminated Soils), with a total estimated closure cost of $6,671,716 including 10 years of post-closure monitoring.
Closure & Reclamation Closure Plan Post-Closure Monitoring Development Plans
Operating Environmental Management Plan, Support Documents H & L (BHP Billiton, March 1999)
1999Report
EKATI Diamond Mine Operating Environmental Management Plan (OEMP) Support Documents H and L (March 1999). Document H is the Wildlife Effects Monitoring Plan (February 1999). Document L is the Aquatic Effects Monitoring Program (AEMP) Implementation chapter — spatial limits of AEMP long-term monitoring being the Koala drainage basin and the isolated Misery Lake drainage, Special Effects Monitoring (SEM) matrix (Table 5) covering Valued Ecosystem Components (VECs), tailings-disposal-area long-term implications, anthropogenic vs natural impact elucidation, and Before/After × Reference/Impact × Lake/Stream × Location factorial study design.
Monitoring Wildlife Caribou
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
Kodiak Lake Sewage Effects Study Technical Report, Ekati Diamond Mine (BHP Billiton, March 1999)
1 March 1999Report
This technical report presents the 1998 Kodiak Lake Sewage Effects Study, the second year of a three-year monitoring program examining the effects of treated sewage effluent discharge on water quality, sediment quality, and aquatic life in Kodiak Lake and Kodiak-Little Stream. The study documents increased water residence time, elevated nutrient loading, enhanced lake productivity, and reduced winter dissolved oxygen levels, leading BHP to decide to redirect sewage discharge from Kodiak Lake to the Long Lake containment area.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality
Kodiak Lake Sewage Effects Study, Technical Report Appendices, Ekati Diamond Mine (BHP Billiton, March 1999)
1 March 1999Report
This is the appendices volume of the 1998 Kodiak Lake Sewage Effects Study prepared by Rescan Environmental Services Ltd. for BHP Diamonds Inc., containing detailed water quality data, sediment chemistry, biological survey results, and statistical analyses from multiple sampling stations and dates throughout 1998.
Water Quality Aquatics Aquatic Effects Monitoring (AEMP)
Aquatic Effects Monitoring Program (AEMP) Overview Report, Ekati Diamond Mine (BHP Billiton, March 1999)
1 March 1999Report
This 1998 Aquatic Effects Monitoring Program (AEMP) overview report documents the first year of post-baseline monitoring at the Ekati Diamond Mine, assessing impacts on water quality, sediment quality, and aquatic organisms in lakes and streams across the Koala Watershed. The report concludes that while overall aquatic conditions remained largely pristine with no major adverse effects, some nutrient-related impacts were detected, particularly elevated nitrate concentrations downstream of construction activities and slight phytoplankton enhancement in lakes affected by treated sewage discharge.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality Wastewater
Project Description, Proposed Development of Sable, Pigeon & Beartooth Kimberlite Pipes, Ekati Diamond Mine (BHP Billiton, February 1999)
1 February 1999Regulatory Filing
BHP Diamonds Inc. proposes development of three additional kimberlite pipes (Beartooth, Pigeon, and Sable) at the Ekati Diamond Mine in the Northwest Territories, utilizing open pit mining methods and existing site infrastructure. The document details mining methods, waste rock and water management strategies, environmental impacts and mitigation measures, and reclamation plans including post-closure pit lake development for fisheries habitat replacement.
Development Plans Waste Rock Fish Habitat Wildlife
Environmental Agreement Annual Report, EKATI Diamond Mine (BHP Billiton, 1998)
1 February 1999Report
BHP Diamonds Inc.'s 1998 Environmental Annual Report documents the first year of full diamond mining operations at the Ekati Diamond Mine in the Northwest Territories, detailing environmental management practices, monitoring programs, and operational sustainability across water, air, wildlife, and land resources.
Development Plans Monitoring Water Quality
Kodiak Lake Management Plan, Modeling Component, Ekati Diamond Mine (BHP Billiton, January 1999)
4 January 1999Report
This report presents a water quality modeling study of Kodiak Lake at the Ekati Diamond Mine using the WASP/EUTRO model to assess the lake's assimilative capacity for treated sewage effluent and determine maximum allowable loads of BOD, ammonia, and phosphorous while maintaining adequate dissolved oxygen levels for fish health. The study includes calibration scenarios based on 1997-1998 monitoring data, baseline predevelopment conditions, and predictive modeling to establish loading limits under both open-water and ice-covered seasons.
Water Quality Monitoring Wastewater Regulatory

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1,662 documents · Page 47 of 84