Supporting Document A2

Baseline Study Reference List (KHS, 2004) Environmental Baseline Reference List page 1

SOILS

Title Date Author(s) Location Methods Sample Size Analysis Other Analysis Arsenic Pollution in the 1982 T.C. Hutchinson, Yellowknife area, Giant Mine Corer (0-2, 2-4, 4-6 24 locations Metals Vegetation Yellowknife Area from Gold S. Aufreiter, and cm depths) Smelter Activities R.G.V. Hancock

Evaluation of Surface 1998 EBA Engineering Giant Mine property and Surface and 0.2 Year 1 - 91 sites on mine CN, pH, N, Cu, Surface runoff Contamination Data, Giant Consultants controls sites metres below grade property and 3 control Ni, Zn, As, Pb, and standing Mine Site, Yellowknife, N.W.T Limited sites in Yellowknife (188 oil and grease water 4 year study samples) Year 2 - 31 locations of SWEP leachate previously high As extraction Year 3 - 50 locations previously sampled Year 4 – 8 sample sites (control sites)

Arsenic Contamination of the 1999 C.A. Ollson City of Yellowknife, Con Mine Surface grab 32 locations around City Metals, Sediment and Terrestrial and Freshwater area, Kam Lake, Rat Lake, samples with scoop of Yellowknife, 42 Leachate tests water Environment Impacted by Yellowknife Bay, Frame Lake, locations around the Con Gold Mining Operations, Range Lake, Meg Lake, Keg Mine property – including Yellowknife, NWT Lake, Peg Lake, Great Slave tailings Outflow

Environmental Study of 2000 Environmental Ingraham Trail and Giant Surface, plastic 28 – Ingraham Trail Inorganic Arsenic Contamination from Sciences Group, Mine Townsite scoop 24 – Giant Mine Townsite elements the Giant Mine, Yellowknife, Royal Military Northwest Territories; Part I College of Canada

Characterization of Arsenic in 2000 C.A. Ollson, I. Giant Townsite and along Surface, plastic Focus on 17 of original Sequential Solid Phase Samples Koch, K.J. Reimer, Ingraham Road scoop 25 samples selective Collected on the Giant Mine S.R. Walker, H.E. extraction, Townsite, Yellowknife, NWT, Jamieson gastric fluid extraction, mineralogical analysis Risk Characterization of 2001 G. Stephens, A. Akaitcho Territory ? 52 samples Speciation of Berries Arsenic Exposure from Armstrong, L. As Consumption of Berries in the Chan, O. Akaitcho Territory Receveur, B. Dabeka, and W. Hendershot

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Title Date Author(s) Location Methods Sample Size Analysis Other Analysis Arsenic Levels In the 2001 Environmental Tailings, mill site, Baker Surface – trowel 295 – reports historic Metals, Sediments Yellowknife Area: Sciences Group, Creek, Yellowknife Bay, City data – analyzed in principle Distinguishing Between Royal Military of Yellowknife, along batches of up to 36 (28 component Natural and Anthropogenic College of Canada Ingraham Road, Ndilo, samples, 2 blanks, 4 analysis, Inputs Dettah, duplicates, 2 reference material)

Does not distinguish soil samples from sediment samples Giant Mine Site Soil Arsenic 2004 Golder Associates Giant Mine Site Arsenic in Soil Assessment, Yellowknife, Ltd. NWT

SOILS (cont)

prepared by: J. Hovdebo Nov. 2004 Environmental Baseline Reference List page 3

VEGETATION

Title Date Author(s) Location Methods Sample Size Analysis Other Analysis

Arsenic in Sediments, Water 1978 Wagemann, R., Chitty, Likely, Kam, 15 samples over 4 months, variable species for Arsenic Water, and Aquatic Biota from Lakes N.B. Snow, Grace, and Keg Lakes each lake sediment, in the Vicinity of Yellowknife, D.M. and Northwest Territories, Canada Rosenberg and benthos A. Lutz Arsenic Pollution in the 1982 T.C. Yellowknife area, Giant Hand – 9 sites – alder (Alnus crispa), paper birch (Betula Metals Soils Yellowknife Area from Gold Hutchinson, S. Mine washed and papyrifera), fireweed (Epilobium angustifolium), Smelter Activities Aufreiter, and uwashed black spruce (Picea mariana), jack pine (Pinus R.G.V. banksiana), crowberry (Vaccinium vitis-idaea) Hancock Arsenic Bioaccumulation and 1994 W.T. Meg, Keg, Peg Lakes, Hand 47 samples – 26-Typhia latifolia, 13- As, Fe, Cu, Sediment Toxicity of Aquatic Dushenko, D.A. Yellowknife Bay, Kam sampled, Potamogeton pectinatus, 3-Equisetum fluviatile, Mn, Zn – and water Macrophytes Exposed to Bright and K.J. Lake, Grace Lake, rinsed 3-Myriophyllum exalbscens, 1-Trichlogon roots/shoots, Gold-Mine Effluent: Reimer Madeline Lake palustre, 1-Sparganium sp. concentration Relationships with factors Environmental Partitioning, Metal Uptake and Nutrients Arsenic and Antimony 1998 I. Koch Kam Lake, Baker Creek Hand 13 samples total of horsetail, cattail, milfoil, Sb and As Water, Species in the Terrestrial (marsh and mill area), sampled duckweed, burweed, pondweed speciation, sediment, Environment Niven Lake, Yellowknife 5 samples of algae mats different benthos, Bay June and 7 samples of mosses digestion algae, and August 14 samples of fungi and mushrooms methods fish tissue sampling Arsenic Levels in Berries and 1999 E. Davey, D. Baker Creek, Ingraham As set out 21 samples – raspberry (Rubus idaeus), As, human Soils from the Yellowknives Maxwell, G. Trail, Yellowknife Bay by cloudberry (Rubus chamaemorus), blueberry consumption Dene First Nation Traditional Stephens, area, Mac Lake, Enodah, laboratory (Vaccinium ovalifolium), cranberry (Vaccinium assessment Territory Elders MacKay Lake, City of staff vitis-idaea), rose hip (Rosa acicularus), Yellowknife area gooseberry (Ribes lacustre) Risk Characterization of 2001 G. Stephens, A. Akaitcho Territory ? 12 samples Speciation of Soils Arsenic Exposure from Armstrong, L. As, human Consumption of Berries in the Chan, O. consumption Akaitcho Territory Receveur, B. assessment Dabeka, and W. Hendershot

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Heavy Metal Analyses of Wild 2001 J. Obst, W. 550 x 200km area ? 40 locations – 15 species of mushrooms 27 elements, Edible Mushrooms in the Coedy, R.G. centering around the City human North Great Slave Lake Bromely of Yellowknife consumption Region, Northwest Territories assessment

Title Date Author(s) Location Methods Sample Size Analysis Other Analysis Arsenic Species in Terrestrial 2000 I. Koch, L. Giant Mine Property Picked by Lichen, puffball (Lycoperdon pyriforme), shaggy As speciation Fungi and Lichens from Wang, K.J. tailings ponds hand, mane mushroom (Coprinus comatus) other Yellowknife, NWT, Canada Reimer, and washed and samples collected on Con Mine property W.R. Cullen rinsed

Antimony Species in 2000 I. Koch, L. Yellowknife Bay, Giant Sampled by 15 samples – moss (Funaria hygrometrica and Antimony Snails, Environmental Samples Wang, J. Mine Tailings area, Kam hand, Drepanocladus sp.) cattail (Typha latifolia) bur- speciation water Feldmann, P. Lake, Niven Lake washed, marigold (Bidens cernua), duckweed (Lemna Andrewes, K.J. and rinsed minor), water milfoil (Myriophyllum sp.) Reimer, and Richardson’s pondweed (Potomogetan W.R. Cullen richardsonii), bur-reed (Sparganium augustifolium), lichen, pixie cup (Cladonia sp.) puffball (Lycoperdon sp.) and shaggy mane (Coprinus comatus) Biological Sampling at Baker 2002 Dillon 2 upstream and 2 Sampled by Triplicate samples – Carex aquatilis (upstream), Biological and Water, Creek – Summary Report Consulting downstream locations on hand Equisetum hyemale (downstream) chemical sediment, Limited Baker Creek (stems and analysis benthos foliage)

VEGETATION (cont)

prepared by: J. Hovdebo Nov. 2004 Environmental Baseline Reference List page 5

WATER

Title Date Author(s) Location Methods Sample Size Analysis Other Analysis

Biological Effects of 1973 M.R. Falk, M.D. Effluent stream and Grab sample 20 stations Heavy metals Fish toxicity, fish Mining Wastes in the Miller and S.J.M. receiving environment of and basic water tissue, sediments Northwest Territories Kostiuk Giant Mine chemistry and benthos measurements in the field Aspects of Evaporation 1973 Wight, J.B. Baker Creek Meteorological and Evapotranspiration Data in the Water Balance of Baker Creek Basin, Near Yellowknife, Northwest Territories The Effects of Metal 1978 J.W. Moore, S.J. - Baker Creek – one station Van Dorn bottle at - 2 stations Nutrient and Benthos, Mining on Aquatic Wheeler, and D.J. 2 km upstream of effluent surface and 10m depth - 10 stations (1976), metals sediments and Ecosystems in the NWT Sutherland discharge, one station 1 km intervals. - 24 transects (every 2 fish tissue II. Giant Yellowknife downstream weeks from June 1976 to Mines Ltd. - Yellowknife and Back Bays March 1977) Arsenic in Sediments, 1978 Wagemann, R., Kam and Grace Lakes Surface grab sample Once a month (16 Trace metals Aquatic Water and Aquatic Biota N.B. Snow, D.M. samples each) vegetation, from Lakes in the Vicinity Rosenberg and A. sediments, and of Yellowknife, Lutz benthos Northwest Territories, Canada Arsenic Transport in a 1994 D.A. Bright, B. Meg, Keg and Peg Lakes, Surface grab sample One site at each lake Organic and Sediment Watershed Receiving Coedy, W.T. Yellowknife Bay, Grace and inorganic Gold Mine Effluent near Dushenko, K.J. Kam Lakes arsenicals Yellowknife, Northwest Reimer Territories, Canada Arsenic in Subarctic 1994 D.A. Bright, M. Kam Lake, Grace Lake, Surface grab samples One sample at each lake Inorganic and Sediment and Lakes Influenced by Dodd, and K.J. Meg Lake, Peg Lake, Keg organic porewater Gold Mine Effluent: The Reimer Lake, and Yellowknife Bay arsenicals Occurrence or Organoarsenicals and ‘Hidden’ Arsenic

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Title Date Author(s) Location Methods Sample Size Analysis Other Analysis

Arsenic Bioaccumulation 1994 W.T. Dushenko, Meg, Keg, Peg Lakes, Surface grab sample 9 samples Arsenate and Macrophytes and and Toxicity of Aquatic D.A. Bright and Yellowknife Bay, Kam Lake, arsenite sediments Macrophytes Exposed to K.J. Reimer Grace Lake, Madeline Lake Gold-Mine Effluent: Relationships with Environmental Partitioning, Metal Uptake and Nutrients Yellowknife – Back Bay 1996 F.J. Jackson, C.N. Baker Creek, Back Bay, Grab and Van Dorn 13 sampling sites – six Nutrient, major Sediment and Study on Metal and Lafontaine, and J. Yellowknife Bay sampler at 1m depth sample collections ions, and Fish Trace Element Klaverkamp metals Contamination of Water, Sediment and Fish Yellowknife-Back Bay 1998 F.J. Jackson Baker Creek outlet, Tip of Surface grab Between 9 and 12 Nutrient, major Summer Water Quality Latham Island, Dettah dock, samples at each site and ion, and metals, Monitoring Program Peg outlet, 2 storm drains one sample each at 2 bacteriological (September 1992 to (control on Yellowknife storm drain outlets June 1995) River) A Study of Arsenic 1998 I.S. Mace Yellowknife Bay, Baker Surface grab samples, 24 sample locations Arsenic Sediments Contamination from the Creek, and Giant Mine Van Dorn sampler from during 2 sample periods Royal Oak Giant Mine, tailings ponds top and bottom of Yellowknife, Northwest water column (if depth Territories >4m a sample collected from middle of water column) Arsenic and Antimony 1998 I. Koch Baker Creek, Yellowknife Surface grab samples 7 locations during 2 Arsenic Vegetation, Species in the Terrestrial Bay, Niven Lake, Giant Mine sampling periods (June speciation algae, sediment, Environment, 1998 property and August) benthos, and fish Baker Creek Fish 1998 Dillon Consulting Baker Creek In-situ parameters with 7 locations Temp, pH, Fish community, Habitat and Limited portable meter conductivity fish habitat, Rehabilitation Study for and dissolved benthic Abandonment and oxygen Restoration Planning Arsenic Contamination 1999 C.A. Ollson City of Yellowknife, Con Surface grab samples 29 samples reported Metals, arsenic Sediment and of the Terrestrial and Mine area, Kam Lake, Rat and Van Dorn samples speciation soils Freshwater Environment Lake, Yellowknife Bay, when depth > 2m. Impacted by Gold Mining Frame Lake, Range Lake, Operations, Yellowknife, Meg Lake, Keg Lake, Peg NWT Lake, Great Slave Outflow

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Title Date Author(s) Location Methods Sample Size Analysis Other Analysis

Antimony Species in 2000 I. Koch, L. Wang, Streams and puddles Surface grab samples 7 locations during 2 Antimony Vegetation and Environmental Samples J. Feldmann, P. receiving mine effluent. sampling periods (June speciation snails Andrewes, K.J. Niven Lake and August) Reimer, and W.R. Cullen Assessment of Metal 2000 Lorax Baker Creek Grab samples and gel 3 sample stations – Comparison of Speciation in Bake Environmental sampler technology during two sampling sampling, Creek, Yellowknife Services Limited periods (June and July) analysis technologies for metal speciation accuracy Biological Sampling at 2002 Dillon Consulting Two sample locations Surface grab sample One sample from each Metals Sediment, fish, Baker Creek 2002 Limited upstream and two sample site and benthos Technical Report – Final locations downstream on Baker Creek Biological Sampling at 2002 Dillon Consulting Two sample locations Surface grab sample One sample from each Metals Vegetation, Baker Creek – Summary Limited upstream and two sample site with one duplicate sediment, Report locations downstream on upstream and one benthos Baker Creek downstream 2001 Annual 2002 R. Connel, Giant Mine Property Surveillance Network Flow, temp., Environmental Report: Miramar Giant Program – 20 sampling pH, TSS, As, Water License N1L2 Mine Limited stations – 10 active Cu, CN, Ni, 0043 during discharge NH3, Pb, Zn, 2002 Annual 2003 R. Connel, Giant Mine Property Surveillance Network Flow, temp., Environmental Report: Miramar Giant Program – 20 sampling pH, TSS, As, Water License N1L2 Mine Limited stations – 10 active Cu, CN, Ni, 0043 during discharge NH3, Pb, Zn, Discharge data for Baker 2003 Water Survey of Baker Creek at Outlet of Gauging Station Stream Creek from the years Canada, Martin Lake Discharge 1983-2001. Gauging Environment Station 07SB013 – Canada Baker Creek at Outlet of Martin Lake 2003 Annual 2004 R. Connel, Giant Mine Property Surveillance Network Flow, temp., Environmental Report: Miramar Giant Program – 20 sampling pH, TSS, As, Water License N1L2 Mine Limited stations – 10 active Cu, CN, Ni, 0043 during discharge NH3, Pb, Zn,

WATER (cont)

prepared by: J. Hovdebo Nov. 2004 Environmental Baseline Reference List page 8

SEDIMENTS

Title Date Author(s) Location Methods Sample Size Analysis Other Analysis

Biological Effects of Mining 1973 M.R. Falk, M.D. Effluent stream (tailings 6 “ Ekman Dredge, and 20 sample locations Metal analysis Fish toxicity, fish Wastes in the Northwest Miller and S.J.M. included) and receiving grid sampling tissue, benthos Territories Kostiuk environment of Giant Mine and water

The Effects of Metal Mining 1978 J.W. Moore, S.J. Back Bay and Yellowknife Corer 70 stations grouped into Metal analysis Water, benthos on Aquatic Ecosystems in the Wheeler, and D.J. Bay 6 areas, 10 additional and fish tissue NWT II. Giant Yellowknife Sutherland stations, 24 transects at Mines Ltd. 400 m intervals

Arsenic in Sediments, Water 1978 Wagemann, R., Chitty, Likely, Kam, Grace, Grab samples 5 location from Kam Arsenic Water, benthos, and Aquatic Biota from Lakes N.B. Snow, D.M. and Keg Lakes Lake, 2 from Keg and aquatic in the Vicinity of Yellowknife, Rosenberg and A. Grace Lakes, 3 from vegetation Northwest Territories, Canada Lutz Likely Lake, and one sample from Chitty Lake

Heavy Metals in Bottom 1979 R.J. Allan North Arm, West Arm, and Corer Six locations Particle size and Sediment of Great Slave Lake Central-West Basin of metals (Canada): A Reconnaissance Great Slave Lake Geochemistry of Sediments in 1989 A. Mudroch, S.R. Back Bay and Yellowknife Cores collected at 12 4 cores at each location Major elements the Back Bay and Yellowknife Joshi, D. Bay m depth in Back Bay Sediment dating Bay if the Great Slave Lake Sutherland, P. and 14 m depth in and Mudroch and K.M Yellowknife Bay (1 cm mineralogical Dickson section up to 30 cm composition depth) Assessment of Gold Mine 1989 D. Sutherland Back Bay and Yellowknife Corer 10 locations – 1983 Particle size, Benthos Impacts on Benthic Bay 3 locations – suspended elements Environment of Yellowknife and bottom sediments – Bay, N.W.T. 1984 Arsenic Transport in a 1994 Bright, D.A., B. Meg, Keg and Peg Lakes, Core samples One site at each lake Metals, spatial Water Watershed Receiving Gold Coedy, W.T. Yellowknife Bay, Grace distribution, Mine Effluent near Dushenko, K.J. and Kam Lakes porewater Yellowknife, Northwest Reimer analysis Territories, Canada Arsenic in Subarctic Lakes 1994 D.A. Bright, M. Kam Lake, Grace Lake, Core samples One sample at each Metals, Arsenic Porewater and Influenced by Golf Mine Dodd, and K.J. Meg Lake, Peg Lake, Keg lake species surface water Effluent: The Occurrence or Reimer Lake, and Yellowknife Bay Organoarsenicals and ‘Hidden’ Arsenic

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Title Date Author(s) Location Methods Sample Size Analysis Other Analysis Methylation of Arsenic by 1994 Bright, D.A., S. Kam Lake Core sample One sample divided into Methylation of Anaerobic Microbial Consortia Brock, W.R. 1, 5, 9, 13, 19, and 25 different species Isolated from Lake Sediment Cullen, G.M. cm. of arsenic by Hewitt, J. Jafaar bacteria and K.J. Reimer

Arsenic Bioaccumulation and 1994 W.T. Dushenko, Meg, Keg, Peg Lakes, Deep water cores and 32 samples As, Fe, Cu, Zn, Macrophytes and Toxicity of Aquatic D.A. Bright and Yellowknife Bay, Kam near shore hand Mn, porewater water Macrophytes Exposed to K.J. Reimer Lake, Grace Lake, samples analysed Gold-Mine Effluent: Madeline Lake Relationships with Environmental Partitioning, Metal Uptake and Nutrients Yellowknife – Back Bay Study 1996 F.J. Jackson, C.N. Baker Creek, Back Bay, Petite ponar 13 locations - 3 sets of Metals and Water and Fish on Metal and Trace Element Lafontaine, and J. Yellowknife Bay sediments collected in organic carbon Contamination of Water, Klaverkamp open water months Sep Sediment and Fish 92, June 93, Aug 93 A Study of Arsenic 1998 I.S. Mace Giant Mine tailings, Baker Surface grabs using a 35 locations Elements, depth Water Contamination from the Royal Creek, Yellowknife Bay Ekman profile, principle Oak Giant Mine, Yellowknife, Modified Kajak- component Northwest Territories Brinkhurst gravity corer analysis, Above water – scoop porewater, speciation Arsenic and Antimony 1998 I. Koch 3 locations – near mill, trowel 3 Arsenic Water, fish, Species in the Terrestrial Baker Creek, and outflow concentration benthos, algae, Environment in Back Bay and speciation and vegetation Arsenic Contamination of the 1999 C.A. Ollson City of Yellowknife, Con Surface samples (0-5 44 samples locations Metals, arsenic Soils and water Terrestrial and Freshwater Mine area, Kam Lake, Rat cm) using a modified speciation, Environment Impacted by Lake, Yellowknife Bay, Kajak-Brinkhurst corer leachate tests, Gold Mining Operations, Frame Lake, Range Lake, depth profile, Yellowknife, NWT Meg Lake, Keg Lake, Peg porewater Lake, Great Slave Outflow analysis completed Arsenic Levels in the 2001 Environmental Tailings, mill site, Baker Surface – trowel 295 – reports historic Metals, principle Soils Yellowknife Area: Sciences Group, Creek, Yellowknife Bay, Modified Kajak- data – analyzed in component Distinguishing Between Royal Military City of Yellowknife, along Brinkhurst gravity corer batches of up to 36 (28 analysis, Natural and Anthropogenic College of Ingraham Road, Ndilo, Does not distinguish samples, 2 blanks, 4 Inputs Canada Dettah, soil samples from duplicates, 2 reference sediment samples material) Biological Sampling at Baker 2002 Dillon Consulting Two sample locations Uppermost 20 cm Triplicate samples Metals and Water, fish, and Creek 2002 Technical Report Limited upstream and two sample using trowel sediment benthos – Final locations downstream on composition Baker Creek

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Title Date Author(s) Location Methods Sample Size Analysis Other Analysis Biological Sampling at Baker 2002 Dillon Consulting 2 upstream and 2 Top 2 cm Triplicate Metals, organic Water, Creek – Summary Report Limited downstream locations on carbon, and vegetation, Baker Creek particle size benthos

SEDIMENTS (cont)

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BENTHIC INVERTEBRATES

Title Date Author(s) Location Methods Sample Size Analysis Other Analysis

Biological Effects of 1973 M.R. Falk, M.D. Effluent stream (tailings 6 “ Ekman Dredge, 20 sample locations composite metal, Fish toxicity, fish Mining Wastes in Miller and S.J.M. included) and receiving and grid sampling community structure tissue, sediments the Northwest Kostiuk environment of Giant Mine and water Territories The Effects of Metal 1978 J.W. Moore, S.J. - Baker Creek – one Zoobenthos - - 2 stations Community structure Water, sediments Mining on Aquatic Wheeler, and D.J. station 2 km upstream of Serber sampler - 10 stations (1976), and fish tissue Ecosystems in the Sutherland effluent discharge, one and drift net - 24 transects (every 2 weeks NWT II. Giant station 1 km downstream Phytoplankton – from June 1976 to March Yellowknife Mines - Yellowknife and Back Van Dorn Bottle 1977) Ltd. Bays Zoobenthos – Ekman Dredge (15x15x25 cm) Arsenic in 1978 Wagemann, R., Chitty, Likely, Kam, Grace, Dip net Once a month from May to Arsenic, Water, aquatic Sediments, Water N.B. Snow, D.M. and Keg Lakes September at one location concentration factors vegetation, and and Aquatic Biota Rosenberg and A. per lake calculated sediments from Lakes in the Lutz Vicinity of Yellowknife, Northwest Territories, Canada Assessment of 1989 D. Sutherland - Back Bay and Yellowknife 15x15x23 cm 1981 – different water depths Community structure Sediment Gold Mine Impacts Bay Ekman Dredge (2, 6, 8, 12 m) and different on Benthic distances from Baker Creek Environment of outflow (300, 600, 900, 1200. Yellowknife Bay, 1500 m) in two directions N.W.T. 1983 – 10 sites in the 12m depth and a similar depth of Yellowknife Bay Arsenic and 1998 I. Koch FW mussel– Anadonta Mussels by hand 2 mussels (June and August Antimony and Water, sediment, Antimony Species grandis (collected from and Ekman dredge, same location) Arsenic speciation, vegetation, algae, in the Terrestrial areas with low As levels) shelled and frozen Snail - 2 locations different digestion and fish tissue Environment Snail – Stagnicola sp. – - smaller snails methods marsh at Baker Creek frozen whole outlet and from Baker Creek outside mill area

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Baker Creek Fish 1998 Dillon Consulting Baker Creek Surber sampler, 60 7 locations Community analysis Fish community, Habitat and Limited second agitated fish habitat, in-situ Rehabilitation Study substrates water for Abandonment and Restoration Planning Title Date Author(s) Location Methods Sample Size Analysis Other Analysis

Antimony Species 2000 I. Koch, L. Wang, Effluent drainage Snails – dissected ? Antimony speciation Vegetation in Environmental J. Feldmann, P. to remove soft Samples Andrewes, K.J. tissue and frozen Reimer, and W.R. Cullen Biological Sampling 2002 Dillon Consulting Two sample locations Hester-Dendy - five replicates (one location Metals and Water, sediment, at Baker Creek Limited upstream and two sample plates the plates were exposed community structure and fish tissue 2002 Technical locations downstream on when water levels dropped) Report – Final Baker Creek

Biological Sampling 2002 Dillon Consulting 2 upstream and 2 surber sampler, d- ? No analysis Water, sediment, at Baker Creek – Limited downstream locations on net, rock pick completed (only one aquatic vegetation Summary Report Baker Creek location produced invertebrates)

BENTHIC INVERTEBRATES (cont)

prepared by: J. Hovdebo Nov. 2004 Environmental Baseline Reference List page 13

FISH

Source Document Date Author(s) Location Methods Sample Size Analysis Other Analysis Biological Effects of 1973 M.R. Falk, M.D. Toxicity Test – fish - Acute Toxicity – caged Toxicity – Rainbow trout, Static acute toxicity Benthos, Mining Wastes in the Miller and S.J.M. collected from Yellowknife bioassays, bucket Sucker, stickleback tests – 96h-LC50, sediment Northwest Territories Kostiuk Bay bioassays, comparative Tissue analysis – 3 to 5 of LT50, Metal and water Tissue analysis – mouth of bioassays, lab. same species and similar analysis of muscle Baker Creek, Back Bay, bioassays, caged fish length was pooled and liver tissue of Sub Islands Region experiments (northern pike, whitefish, pooled fish - Gill nets for tissue lake cisco, lake trout, analysis walleye) The Effects of Metal 1978 J.W. Moore, S.J. Yellowknife Bay and Back - collected by Fisheries Northern pike and whitefish Metal analysis of Water, Mining on Aquatic Wheeler, and D.J. Bay and Marine Service in – numbers unknown flesh sediments Ecosystems in the Sutherland 1974 and NWT II. Giant benthos Yellowknife Mines Ltd. Yellowknife – Back 1996 F.J. Jackson, C.N. 5 locations within Gillnets, angled, and set 452 fish collected – Biological Water and Bay Study on Metal Lafontaine, and J. Yellowknife Bay (DFO lines northern pike, burbot, evaluation, metal sediment and Trace Element Klaverkamp provided additional walleye, lake whitefish, analysis of muscle, Contamination of location) longnose sucker, lake liver, kidney Water, Sediment and cisco, lake trout Fish Histological Analyses 1997 R.E. Evans and Four locations 160 large fish (northern Histiological of Posterior Kidneys J.F. Klaverkamp pike, lake whitefish, ) And analysis of liver and and Livers of Fish 52 forage fish (yellow kidneys from Yellowknife Bay, perch, ninespine Great Slave Lake, stickleback, burbot, 4 small Northwest Territories, lake whitefish) Canada Arsenic and Antimony 1998 I. Koch Yellowknife Bay at outflow Gillnet Lake whitefish(3), Arsenic speciation Water, Species in the of Baker Creek longnose sucker(2), in muscle tissue sediment, Terrestrial walleye(2), northern (different vegetation, Environment pike(2) extraction/digestion algae, and methods benthos Baker Creek Fish 1998 Dillon Consulting Baker Creek Seine nets, electrofishing, 7 location along Baker Fish habitat Benthos, Habitat and Limited and observations Creek assessment, fish water Rehabilitation Study community for Abandonment and Restoration Planning Title Date Author(s) Location Methods Sample Size Analysis Other Analysis

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Biological Sampling 2002 Dillon Consulting Two sample locations Electrofishing Northern pike and Metal analysis of Water, at Baker Creek 2002 Limited upstream and two sample longnose sucker muscle tissue sediment, Technical Report – locations downstream on and Final Baker Creek benthos

Arsenic 2004 Simone de Back Bay Gill Nets Eight lake whitefish (C. Arsenic Speciation Concentration and Rosemont et. al clupeaformis), eight Speciation in Fishes northern pike (E. lucius), from Back Bay near eight walleye (S. vitreum), Yellowknife NWT six white sucker (C. commersoni) and four longnose sucker (C. catostomus)

FISH (cont)

prepared by: J. Hovdebo Nov. 2004 Environmental Baseline Reference List page 15

GROUNDWATER

Title Date Author(s) Location Methods Sample Size Analysis Other Analysis Groundwater Monitoring 2000 G.G. Bursey, J.J, Underground - Levels 100, Grab samples from 27 locations Field measurements, Report Giant Mine, Gibson, and J.E. 250, 425, 575(3), 750(2), fractures, drill holes, underground and 3 trace metal, cation, Yellowknife, NWT, Results Gale (Fracflow 1100, 1650(2), and 2000(2) drainage ditches locations on anion, organic carbon, for September 1999 Consultants Ltd.) Surface – tap in C dry, NW - repeat sampling of surface oxygen-18, deuterium tailings pond and Baker Creek 16 locations and tritium Sources of Water and 2001 I.D. Clark 42 sites underground Grab samples from All sites sampled in Field measurements, Arsenic in Mine Waters, fractures, drill holes, April, May and geochemical analysis Giant Mine, Yellowknife, drainage ditches November and isotope analysis NWT; Interpretation of Geochemical and Isotope Data

prepared by: J. Hovdebo Nov. 2004