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940 documents · Page 26 of 47

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Incoming & Outgoing Correspondence, Ekati Diamond Mine (IEMA, February to May 2001)
2001Report
Correspondence binder February 2001 – June 2001 for the Independent Environmental Monitoring Agency (IEMA, Yellowknife) covering the Ekati Diamond Mine. Includes Workplace Plus Ltd. (Yellowknife) office invoices, Lutsel K'e Dene Band Wildlife Lands and Environment Committee correspondence (Charlie Catholique Chair), Mackenzie Valley Land and Water Board determinations on Operational Pit testing program amendment requests and public-hearing rationale, Hotmail correspondence (Robin Staples / Robin Billy CIER) on Aboriginal Submissions on the Ekati & Diavik environmental assessments, and BHP submissions concerning amendment validity.
Correspondence Traditional Knowledge Wildlife Water Quality Development Plans
Panda Diversion Channel Monitoring Program Technical Report, Ekati Diamond Mine (BHP Billiton, January 2001)
31 January 2001Report
This 2000 technical monitoring report documents the third year of the Panda Diversion Channel (PDC) monitoring program, which tracks the effectiveness of fish habitat compensation efforts at the Ekati Diamond Mine. The report presents findings on channel hydrology, spring fish migration patterns, larval fish development, habitat assessments, channel stability, and biological communities, demonstrating that Arctic grayling successfully use the constructed channel for spawning and migration between North Panda and Kodiak lakes.
Fish Habitat Aquatic Effects Monitoring (AEMP)Monitoring Benthic Invertebrates Water Quality
Nero Lake Reconnaissance Survey, Ekati Diamond Mine (BHP Billiton, January 2001)
~2001Report
Approximate date — inferred from filename
A one-day reconnaissance survey of Nero Lake conducted on August 5, 2000 to characterize water quality, sediment quality, and biological communities during summer 2000. Results indicate water quality similar to other Koala Watershed lakes with naturally elevated sediment arsenic and nickel concentrations, elevated nitrate levels, and healthy phytoplankton and zooplankton assemblages dominated by cyanobacteria and cyclopoid nauplii respectively.
Aquatics Water Quality Monitoring
News Clippings, Transcripts and Media Releases, Ekati Diamond Mine (CBC, 2001 to 2005)
2001–2005Report
News Clippings, Transcripts and Media Releases binder for the Ekati Diamond Mine (1996-2004). Includes CBC Special Report October 7 2004 "Diamond Mines take More Environmentally Responsible Approach", News/North Business Briefs June 11 2001 "BHP-Billiton merger approved" (potential $10 billion petroleum business divestiture speculation), Robin Staples / Zabey Nevitt / Kevin O'Reilly internal IEMA forwarded news clippings, "BHP Diamonds Inc. is the operator" investor materials on Dia Met's continued global diamond exploration program, and Yellowknifer (January 5 2001) review of nine recommendations on the Agency responsible for Ekati environmental monitoring.
Correspondence Regulatory Water Quality Wildlife
Panda Diversion Channel Monitoring Program, 2000, Appendices (BHP Billiton, January 2001)
~2001Report
Approximate date — inferred from filename
This document presents comprehensive appendices from the 2000 Panda Diversion Channel Monitoring Program at the Ekati Diamond Mine, including detailed hydrological data (air temperature, precipitation, streamflow measurements), fish monitoring results (Arctic grayling captures and habitat assessments), and benthic and periphyton community data collected throughout 2000.
Aquatics Fish Habitat Monitoring
Fox Lake Dewatering Chronology and Regulatory Record, Water Licence N7L2-1616 (BHP Billiton, January 2001 to August 2003)
2001Regulatory Filing
Chronology of regulatory correspondence and approvals (January 2001–August 2003) documenting the dewatering of Fox Lake at Ekati Diamond Mine, including water license amendments, management plan approvals, and disputes over the classification and discharge of Fox pit water into Long Lake Containment Facility Cell D.
Regulatory Water Licence Wastewater
Environmental Agreement and Water Licence Annual Report 2001, Ekati Diamond Mine (BHP Billiton, March 2002)
~2001Report
Approximate date — inferred from filename
BHP Billiton's Environmental Agreement Annual Report for 2001 details the company's environmental monitoring and management activities at the Ekati Diamond Mine in the Northwest Territories, covering air quality, water monitoring, wildlife effects, fish habitat, archaeological protection, and progressive reclamation programs conducted under its Type A Water Licence and Environmental Agreement with Canadian and NWT governments.
Environmental Agreement Monitoring Water Quality
Nutrients and Their Impact on the Canadian Environment (Environment Canada, 2001)
~2001Report
Approximate date — inferred from filename
This comprehensive federal assessment examines nitrogen and phosphorus sources, pathways, and environmental impacts across Canadian air, water, and soil ecosystems, concluding that anthropogenic nutrient loading has caused demonstrable ecological and human health problems including eutrophication, water contamination, and atmospheric pollution.
Water Quality Aquatics Air Quality Waste Rock
Reclamation Liability Estimate, Sable, Pigeon & Beartooth Pits, Ekati Diamond Mine, Appendices (Komex, 2001)
~2001Report
Approximate date — inferred from filename
A comprehensive reclamation liability estimate for the Sable, Pigeon, and Beartooth pit additions and the broader Ekati Diamond Mine, detailing estimated costs across multiple liability units (camp facilities, operations, open pits, tailings cells, waste rock storage, monitoring) projected for 2001, 2005, 2010, and 2014 with confidence intervals (10th percentile, median, and 90th percentile estimates).
Closure & Reclamation Closure Plan Waste Rock Water Quality Monitoring
Aquatic Effects Monitoring Program (AEMP) Regulatory Case File, Binder 2 — Water Licence MV2003L2-0013, Ekati Diamond Mine (BHP Billiton, 2001–2008)
2001–2008Report
Aquatic Effects Monitoring (AEMP) Binder 2 for the Ekati Diamond Mine (BHP Billiton / BHPB) covering 1994-2008. Correspondence between Laura Tyler (BHPB) and Violet Camsell-Blondin (WLWB), DIAND, and EcoMetrix review of 2007 AEMP. Includes 2007 AEMP draft, NWT AEMP Guidelines, Ekati Cell E fish survey work plan, blank 2008 comment table, LLCF models, Koala Watershed annual average Total Molybdenum 1994-2005 (CCME guideline = 0.073 mg/L), Nitrate Effects on Early Life Stages of Lake Trout and Lake Whitefish Special Effects Study, sediment Total Molybdenum (mg/kg) at reference sites (Nanuq Counts, Vulture, Kodiak, Leslie, Moose, Nema, Slipper Lake), and 2001 Baseline Studies Exeter / Koala Watershed mineral-claim boundary maps.
Aquatic Effects Monitoring (AEMP)Aquatics Monitoring
Panda Waste Rock Seepage Survey, Review Meeting Correspondence (IEMA, January 2001)
2001Meeting Minutes
2000 Panda Waste Rock Seepage Survey for the EKATI Diamond Mine — review meeting binder, April 23 2001 at the Yellowknife Inn Garnet Room. Surveys the Beartooth-Bearclaw drainage area. Includes DFO Fish Habitat Management correspondence, the March 2001 "Review of Ekati Information on Seepage and Waste-Rock Geochemistry" finding ARD is becoming more severe and elevated sulphate (background ~20 mg/L) persists in seepage waters, conductivity-to-sulphate correlation model, and BHP correspondence (John Witteman, Scott Williams, Jim Millard) to Melody MacLeod (MVLWB) and Zabey Nevitt (IEMA).
Waste Rock Acid Rock Drainage Water Quality
Reclamation Research Program 2000, EKATI Diamond Mine (BHP Billiton, 2000)
18 December 2000Report
This 2000 reclamation research report documents BHP Diamonds' revegetation efforts at the Ekati Diamond Mine, including soil topdressing effectiveness at Fox portal, vegetation establishment in the Panda Diversion Channel, and development of a reclamation registry. After five growing seasons, organic soil topdressing proved most favorable for plant growth, while native-grass cultivars achieved highest cover (39-52%), and Arctic Pendant Grass transplants in the diversion channel showed 60-92% survival rates.
Closure & Reclamation Revegetation Monitoring Aquatics Fish Habitat
Reclamation Research Program 2000, Ekati Diamond Mine (ABR, Inc., December 2000)
18 December 2000Report
This 2000 reclamation research report documents vegetation establishment efforts at Ekati Diamond Mine, including soil topdressing effectiveness at Fox portal and riparian habitat creation in Panda Diversion Channel. The report evaluates microbial activity, plant survival rates, and natural colonization across different soil amendments and transplant methods, and describes development of a reclamation registry to track mine site restoration progress.
Closure & Reclamation Revegetation Monitoring Waste Rock Water Quality
Bathurst Caribou Management Planning Committee Preliminary Issues List (Bathurst Caribou Management Planning Committee, December 2000)
14 December 2000Report
Preliminary issues list from the Bathurst Caribou Management Planning Committee public workshop identifying key management concerns across caribou habitat, health, harvesting sustainability, inter-group communication, and information gaps related to the Bathurst caribou herd.
Caribou Wildlife Habitat Assessment Water Quality
Aquatic Effects Monitoring Program (AEMP) Data Report, Ekati Diamond Mine (BHP Billiton, December 2000)
1 December 2000Report
The 2000 Aquatic Effects Monitoring Program (AEMP) Data Report presents comprehensive environmental monitoring data collected by BHP Diamonds Inc. and Rescan Environmental Services at the Ekati Diamond Mine in the Northwest Territories, including meteorology, hydrology, lake and stream water quality, sediment quality, physical limnology, and biological monitoring (phytoplankton, zooplankton, and benthic organisms).
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Processed Kimberlite Tailings Reclamation Research Program, Ekati Diamond Mine, 2000 Annual Report (BHP Billiton, December 2000)
1 December 2000Report
This annual report documents the Processed Kimberlite Tailings Reclamation Research Program for 2000 at the Ekati Diamond Mine, presenting first-year results from three field studies (Soil Amendment, Revegetation, and Species Trials) designed to develop effective revegetation techniques for processed kimberlite tailings disposal cells. The studies evaluate soil amendments, seed treatments, and plant species suitability to determine whether vegetative cover or rock cover is appropriate for long-term tailings stabilization.
Closure & Reclamation Revegetation Kimberlite Tailings Water Quality
Waste Rock Storage Area Seepage Survey, Ekati Diamond Mine (BHP Billiton, November 2000)
2000Report
BHP Diamonds Inc. 2000 Waste Rock Storage Area Seepage Survey "Book #15" — transmittal November 21 2000 from Jim Millard (BHP Environmental) to Melody MacLeod, Mackenzie Valley Land and Water Board, with monthly reports from June-September 2000. Includes Enviro-Test QC Report Workorder L11659 (Edmonton) chemistry for Aluminum, Arsenic, Barium, Beryllium, Nickel, Lead, Antimony, Selenium, Titanium, Chromium, Copper, Iron, Manganese, Molybdenum with detection limits and Relative Percent Differences (RPD), and Mike Tanguay BHP analytical request forms.
Waste Rock Geochemistry Monitoring
Preliminary Data & Status, Waste Rock Seepage Study (BHP Billiton, October 2000)
31 October 2000Report
BHP Diamonds Inc. submits preliminary seepage monitoring data and status update for September 2000 from the Panda Waste Rock Storage Area adjacent to Beartooth and Bearclaw Lakes, in response to Mackenzie Valley Land and Water Board requirements. The report documents seepage flows observed at monitoring stations, tundra reference stations, bioassay results, and geochemical investigations with attached preliminary analytical certificates from Enviro-Test Laboratories.
Waste Rock Monitoring Water Quality
Waste Rock Storage Area Seepage Survey Records, Ekati Diamond Mine (BHP Billiton, April 2000)
19 October 2000Presentation
This document comprises a faxed technical presentation by Kevin Morin reviewing BHP's 1999 waste rock seepage survey results at Ekati Diamond Mine, with conclusions that acid mine drainage is forming and may be increasing in severity, plus preliminary August 2000 seepage monitoring data showing acidic pH and elevated sulfate concentrations at multiple monitoring stations.
Waste Rock Geochemistry Acid Rock Drainage
Bioassay Test Results, Ekati Diamond Mine Effluent Samples (Environment Canada, October 2000)
2000Report
Bioassay Test Results binder — Environment Canada Environmental Protection Branch (Yellowknife) reports on toxicity testing of BHP Ekati Diamond Mine effluent samples (sampled by Tom Unka, October-December 2000). Includes Ecotoxicology Laboratory EP Laboratories Prairie & Northern Region (5320-122 Street Edmonton) reports for Daphnia magna (Lab Sample 00-01658, 00-01632) and rainbow trout (Lab Sample 00-01657) toxicity tests, with test conditions (300 ml beakers, 150 ml volume, 16h light / 8h dark photoperiod, 548 lux) and test chemistries (temperature, dissolved oxygen, conductivity, pH at 0h and 48h). Glossary of EC50, IC50, dilution-series terms.
Wastewater Aquatics Water Quality

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940 documents · Page 26 of 47