Yellowhead Copper Project

Attachment Concerns over planned or catastrophic discharges into Harper Creek

• Yellowhead Copper Project
• Author: Barriere Valley property owner
• Reference number: 26
• Submitted: 2025-09-15 - 9:08 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• We have been property owners, recreators, and observers in the Barriere River valley for 50 years.  During that time we have appreciated the beauty of the area and the slow recovery of the natural setting following the removal of the dam at the month of North Barriere Lake and extensive logging up the Harper Creek valley.   We have been particularly encouraged by the number of salmon species returning to spawn in River.  Those species returned in much smaller number in our earlier years in the valley.  The return of the sockeye salmon is an event we look forward to, as do the many fishers angling for the large trout tagging behind the spawners.  We noticed last year that there was a very large return of pink salmon downstream of North Barriere Lake and the month of Harper Creek.  The number of post-spawning dead pinks was noteworthy not just because of the odour created but more importantly the food and nutrient input they made to the ecosystem. Although we have been fortunate to see an increasingly rich natural environment in the Barriere valley, the area has become a victim of changing and erratic weather patterns that impact streamflow volumes and timing.  We have seen a number of large and harsh fires since the 2003 Barriere fire.  In the same year a fire started near the east end of North Barriere Lake and burned well into the Fall and almost to the height of land above Vavenby (the proposed ore shipping point of the Taseko mine).  The increased erosion and sediment load entering the river and lake has been noticeable over the last 10 years.  This fire was one of the 2003 harbingers of the fire storm era we seem to have entered.  The interior wet ...

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Attachment Proposed Bc Hydro line pathway through the Nehalliston Plateau

• Yellowhead Copper Project
• Author: Rock Island Fishing camp
• Reference number: 25
• Submitted: 2025-09-15 - 8:06 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• Hello, my name is James Seeley, owner and operator of Rock Island Fishing Camp, located approximately 12 km north of Hwy 24 on Taweel FSR.  Our camp has operated as an international tourist destination for 70 years and currently operates from the beginning of June to the end of September. attracting clients from England , Germany, across the continental United states and Canada. We have some concerns about the proposed BC Hydro power line route from 100 Mile House to Taseko's proposed new copper mine. -From what I have read there has been no consultation with any of the Fishing camps in the Nehalliston area as to the potential impact on tourism during the construction phase of the power line -What time of year and how long will the construction take? How many months/years? -will this impact tourist travel on Taweel FSR? Our only route in and out to Hwy 24? Will it be blocked by heavy equipment usage ? Will it affect client travel on the spur roads, Blowdown road, Crossover road, Deer lake FSR. These are main access routes for our clients to travel to access remote lakes that we keep boats on for their usage. -the map provided for reference of the proposed route is to vague to see the actual power line route as it crosses by many of the lakes that our clients fish. How close does the power line come to Beattie lake, Gammarus lake, Thumb lake, Deer lake, Rock island lake, Heidi lake, Heather lake, Boot lake. Will the power line be visible from any of the site lines on these lakes. Our clients travel here for the serenity and remote beauty of this prisitne wilderness, not to see a power transmission line.  Will there be an impact on the trails we use ...

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Attachment Yellowhead Copper Project

• Yellowhead Copper Project
• Author: Kaine Corrigan
• Reference number: 24
• Submitted: 2025-09-15 - 6:05 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• Hello,   I would like to give some feedback in regards to the power line route and construction for this project. From what I see, it looks like there are two proposed routes. One being more direct and the other seeming to keep away from lakes and those properties a bit more. I am a resident in the Deka lake neighbourhood on the south side near where the planned routes are. It is not clear from the communication from the company and government on exactly where these lines are. It definately does not make sense to route them anywhere near the residental area or even right to the south. The main reason for this is that this is destined to be an area of residental expansion. There is already a reasonable population during the recreational months that this will affect. To put the lines too far to the north would be doing so without any forward thinking. The land to the south of Deka is much more usable and easily enhabited in comparison to the land to the north. In my opinion, this land will be subdivided in the future for a reasonably sizable population. It may seem rural now, but it wont be forever. This is a common thought throughout the people in the know which is why the property values at Deka lake generally exceed those from the surrounding areas. My suggestion which I believe would aleviate much of the concern would be to bring the line south earlier mid way between Deka and Horse lakes and then keep it farther south keeping the divide equally to the distance between Deka and Sheridan, then keeping north of Bridge lake. The line would follow more the route of Judson Rd which would be probably better for everyone, even the construction crews as the road would give crews way better access. The ...

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Attachment Incoming Letter - 9/15/2025 - Adams Lake

• Yellowhead Copper Project
• Author: Administrator on behalf of Adams Lake Indian Band
• Reference number: 38
• Submitted: 2025-09-15
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe  
• Attachment included
• Please see the attachment to view the content.

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Attachment Incoming Letter - 9/15/2025 - Adams Lake

• Yellowhead Copper Project
• Author: Administrator on behalf of Adams Lake Indian Band
• Reference number: 29
• Submitted: 2025-09-15
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe  
• Attachment included
• <Original signed by>

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Attachment Worker Health

• Yellowhead Copper Project
• Author: North Thompson Watch
• Reference number: 23
• Submitted: 2025-09-12 - 3:58 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
•   The Proposed Yellowhead Mine; Worker Health Concerns   When we research the question of air pollutants, like radon, in Canadian mines there is much attention given to uranium mines and underground mines but, due to particular assumptions that have little in the way of scientific evidence, open pit mines appear to have been given a free pass with few questions being asked. In Canada, this is called the “3.3.1 Unrestricted Classification” (1,2) which appears to evade such rudimentary observations like data gathering and reporting.   1) “3.3.1 Unrestricted Classification Where the estimated incremental annual effective dose to the public is less than 0.3 mSv/a and to the worker is less than 1.0 mSv/a, the NORM program classification is Unrestricted. No further action is needed to control doses or materials. “ (2)   It is possible that this classification evolved from a rather incomplete international survey;   “Unlike in uranium mines, radon exposure in non-uranium mines is normally not under regulatory control. Continuous monitoring and control of the radiation exposure levels of workers is not undertaken in conventional mines in many countries since, as reported by the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR 2022), exposure data for non-uranium miners are very limited. For the period 2005–2009, the UNSCEAR Global Survey of Occupational Radiation Exposure only received detailed exposure data for non-uranium mining operations from four countries out of 57 United Nations member states that expressed ...

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Attachment Classification of Impacted Waterways, Prudent Design Decisions, and Opportunity Costs

• Yellowhead Copper Project
• Author: Bradley Pick
• Reference number: 22
• Submitted: 2025-09-11 - 5:00 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• Classification of Impacted Waterways, Prudent Design Decisions, and Opportunity Costs As the owner of property on North Barriere Lake, I have concerns about (1) the way in which impacted water courses are initial project description are classified/described,  (2) the level of prudence exercised in the overall design/placement process of the tailing storage facility, and (3) the way we account for development in 'new' areas when assessing the opportunity cost of a project.  On page 59 of the initial project description, North Barriere Lake and the Barriere River are described as 'adjacent watercourses'. Although I see that they are not directly overlapping with the project site, they are going to both be impacted directly by the Yellowhead Copper Project since the watershed to the south proceeds as follows: T-Creek -> Harper Creek -> North Barriere Lake -> Barriere River. Is it appropriate to classify them as adjacent waterways since they are both down-stream from the main embankment of the tailings storage facility? Did their classification as 'adjacent' mean less detailed analysis of the environmental impact was (or will be) conducted? My sense from reading the documentation is that there is not explicit recognition that Harper Creek flows into North Barriere Lake before draining via the Barriere River. This lack of recognition makes me concerned that not enough consideration has been paid to the impact on users/residents (animal & human) of North Barriere Lake. Further to this point, I have more broad concerns about the placement of the main embankment of the tailings storage facility in a location that, in the case of a failure, would result in ...

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Attachment Incoming Email - 9/11/2025 - Timothy Fennell

• Yellowhead Copper Project
• Author: Administrator on behalf of Tim Fennell
• Reference number: 30
• Submitted: 2025-09-11 - 2:17 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• To B.C Minister of Mines & IAAC,   Re: Reference #89694. Yellowhead copper project.   Hi my name is Tim Fennell.  I own part of a Ranch not far from this proposed mine.  I currently live on Haida Gwaii.   The future is hard to predict but the past is easy to see.  If we do not learn from our past we are doomed to repeat it.   The mining culture in B.C is one of pollution, habitat destruction, liquidation of non renewable resources for little return and no savings, & using public funded infrastructure (roads/ports and civil infrastructure such as water/sewer and accommodation) without adequately paying for them.   There are many examples of mine pollution with one of the worst being the mount poly disaster, which was predicable, in that changing climate patterns resulted in excessive water being stored behind a dam not designed for it, with a weak layer of material below it. ( A weak layer known by both the mine engineers and the chief B.C mining inspector).  I have a friend that ran a mine during that time and he had to contact the Minister of Mines to get his royalties quantified as the mine inspectors stopped visiting his mine.   I worked at a proposed mine near my home community on Haida Gwaii in the 1980's.   Had not wiser people than me opposed its approval it would now be ...

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Attachment Concerning endeavour

• Yellowhead Copper Project
• Author: Jennifer Schultz
• Reference number: 21
• Submitted: 2025-09-10 - 6:07 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• Mining is short term when it comes to the age of our planet. It is part of our industrial world but just because it is so doesn't mean it goes unchecked and without consequences to all living things.  Following the 'money trail' is short sighted and simply irresponsible. I have some very serious concerns about the proposed solar wind sure that is being proposed in the Cariboo / Bridge Lake area.  1. have environmental impact studies been completed and if so what were the outcomes and findings for all wildlife impacted? Birds migratory patterns, habitat? All mammal habitats that are being impacted?  2. what remediation practices are in place? 3. will you be impacting lake systems? And what will your impact be on sensitive ecosystems surrounding our lakes? 4. What are the expiry dates for the Towers? And what is the plan for them once they are no longer useful? 5. What decibel level will these towers emit? Has the level been tested for its impact to wildlife and persons living in the area? 6. What is your alternative plan should this be deemed not possible? 7. What factors would make this project not able to move forward?  8. have you considered alternatives?  

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Attachment Comment via Information Session - 9/10/2025 - Susanne Hall and Gary Hall

• Yellowhead Copper Project
• Author: Administrator on behalf of Susanne Hall and Gary Hall
• Reference number: 32
• Submitted: 2025-09-10
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• Public comment Received September 10, 2025 From: Susanne Hall and Gary Hall Comment: Hoping that there would be jobs for young people before they all leave. The mining company should put money into infrastructure for the power.

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Attachment The Climatic impacts of the yellowhead project

• Yellowhead Copper Project
• Author: North Thompson Watch
• Reference number: 19
• Submitted: 2025-09-02 - 4:23 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
•     Climatic Impacts of Taseko’s proposed Yellowhead Mine.   Local impacts; Loss of green cover, over a substantial area means   -considerably increased local heating of the area due to the increased absorption of solar energy. Bare earth and rock absorb much more solar energy than the forest plant cover.   -the formation of new convection currents. The increased temperatures , due to the added solar energy, will dry the surrounding forest and increase the risk of wildfires. This drying will have multiple side effects, particularly on the hydrology and on wildlife.   -these convection currents will transport dust particles aloft from the ongoing excavation at the mine site. The particulate matter will remain in the atmosphere for a time where it will create breathing difficulties. Eventually, it will settle in the surrounding areas In our previous comments, we described how particulate matter containing small amounts of Uranium and Radium would decay into Radon 222 which would impact people in the settled areas around the periphery of the mine. The production of these dust particles would be continuous and ongoing, for the life of the mine. Since traces of Radium have a half life of approximately one thousand years, its decay into Radon, with a half life of less than four days would continue well beyond the life of the mine. Clearwater already has some of the highest Radon levels in the country, the source of which has never been identified. However, its origin may have come from the soils that had been disturbed during the Rexpar uranium ...
• Attachment included
• Climatic Impacts of Taseko’s proposed Yellowhead Mine. Local impacts; Loss of green cover, over a substantial area means -considerably increased local heating of the area due to the increased absorption of solar energy. Bare earth and rock absorb much more solar energy than the forest plant cover. -the formation of new convection currents. The increased temperatures , due to the added solar energy, will dry the surrounding forest and increase the risk of wildfires. This drying will have multiple side effects, particularly on the hydrology and on wildlife. -these convection currents will transport dust particles aloft from the ongoing excavation at the mine site. The particulate matter will remain in the atmosphere for a time where it will create breathing difficulties. Eventually, it will settle in the surrounding areas In our previous comments, we described how particulate matter containing small amounts of Uranium and Radium would decay into Radon 222 which would impact people in the settled areas around the periphery of the mine. The production of these dust particles would be continuous and ongoing, for the life of the mine. Since traces of Radium have a half life of approximately one thousand years, its decay into Radon, with a half life of less than four days would continue well beyond the life of the mine. Clearwater already has some of the highest Radon levels in the country, the source of which has never been identified. However, its origin may have come from the soils that had been disturbed during the Rexpar uranium exploration. Does Clearwater need increased levels of Radon ? We think not. Global impacts; The loss of the green cover will -Eliminate the potential for any carbon ...

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Attachment Radiation and the Yellowhead proposal

• Yellowhead Copper Project
• Author: North Thompson Watch
• Reference number: 18
• Submitted: 2025-08-25 - 5:32 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• Please see the attached file.
• Attachment included
• Topic; Taseko’s Yellowhead Mine Proposal, the presence of uranium and the potential for negative health impacts. 1. The presence of uranium around the proposed mine site. While the major uranium deposit lies around the old Rexpar claim, there are smaller amounts of uranium scattered throughout the claim area. When this is disturbed, through excavation, the potential for radon to enter the atmosphere will be radically increased. The following comes from the Austrian Radon Project; “the giant landslide, with its highly fractured and crushed orthogneisses, is the only possible source of radon, despite the fact that the U and Ra content of the rocks is by no means exceptional. The most important factors producing high radon emanation rates are the production of a high active surface area and circulation pathways for radon-enriched soil air by brittle deformation due to the impact of the landslide mass “ https://apps.nrs.gov.bc.ca/pub/aris/Report/01737.pdf/ https://uat-oneminewebsite.azurewebsites.net/documents/rexspar-uranium-deposits https://cmscontent.nrs.gov.bc.ca/geoscience/PublicationCatalogue/PreliminaryMap/BCGS_PM22.pd 2. Uranium and its notable decay products; The Uranium-238 Decay Chain 1. Uranium-238 (²³⁸U): The most abundant isotope of uranium, it begins the decay series.  • Thorium-234 (²³⁴Th): The first product of Uranium-238's decay, it is short-lived.  • Protactinium-234 (²³⁴Pa): Decays from Thorium-234. • Uranium-234 (²³⁴U): Returns to uranium after the decay of Protactinium-234. • Thorium-230 (²³ Th)⁰ : Another thorium isotope that forms. • Radium-226 (²² Ra)⁶ : A key element in the chain that is long-lived (half-life of 1,600 years) and highly mobile.  • Radon-222 ...

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Attachment Opposing the transmission line path - directly affected

• Yellowhead Copper Project
• Author: Mat Radoszewski
• Reference number: 17
• Submitted: 2025-08-25 - 2:56 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• I oppose the path proposed for the Transmission line, it is planned to cut through private properties and sensitive habitat. Specifically it will affect not only my property, which is in the direct path, but also my business that I have spent over 8 years developing.  I have an off-grid farm and business and having large power transmission towers running through the property or nearby landscape is something I am opposing as it will completely ruin my business.  If Taseko Mining is interested in continuing this project, I recommend they follow existing routes that will not damage local habitat that is already strained and under severe stress from forest fires and logging with no replanting. Further infrastructure and construction will only harm it more and damage the already dwindling population of wildlife in the region. Some areas have animals not found elsewhere and this would impact their habitat completely.  For those reasons I oppose the path of the transmission line and hope that if the corporation continues to pursue this project, it finds alternative, less destructive ways of getting power to it. 

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Attachment Crown-Indigenous Relations and Northern Affairs Canada Federal Authority Advice Record

• Yellowhead Copper Project
• Author: Administrator on behalf of Crown Indigenous Relations and Northern Affairs Canada
• Reference number: 20
• Submitted: 2025-08-25
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe  
• Attachment included
• GCDOCS # 139352308 Federal Authority Advice Record (FAAR) FAAR Response must be submitted by August 22, 2025 Yellowhead Copper Project – Taseko Mines Limited (proponent) Registry File: 89694 Please complete the following: Department/Agency Crown-Indigenous Relations and Northern Affairs Canada Lead Contact James Neary Full Address 25 EDDY ST Gatineau QC K1A 0H4 Canada Email james.neary@rcaanc-cirnac.gc.ca Telephone (613) 355-7285 Alternate Contact Claire Murphy (Claire.Murphy@rcaanc- cirnac.gc.ca) and Michael Rowan (Michael.Rowan@rcaanc-cirnac.gc.ca) 1. Will your department or agency exercise a power, perform a duty or function, or provide financial assistance, related to the project to enable it to be carried out in whole or in part? As relevant, a) Specify the power, duty or function, or financial assistance, and the likelihood that it will be required to construct the project, based on the Initial Project Description, as either Required, Potential, Likely, Unlikely or Not Required b) Describe any associated Indigenous or public consultation, including timelines c) Describe any associated information requirements (e.g., alternative means assessment, habitat offsetting), and specify those that may be coordinated with the impact assessment process, if an impact assessment is required d) Identify any associated project-specific guidance or issues of which the proponent should be aware, or information the proponent should provide. It is not probable that Crown-Indigenous Relations and Northern Affairs Canada (CIRNAC) will exercise a power or perform a duty or function related to the Project to enable it to proceed as CIRNAC is not a ...

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Attachment Natural Resources Canada Federal Authority Advice Record

• Yellowhead Copper Project
• Author: Administrator on behalf of Natural Resources Canada
• Reference number: 13
• Submitted: 2025-08-22
• Updated: 2025-09-09 - 1:21 PM
• Rationale: Comment updated for administrative purposes
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe  
• Attachment included
• UNCLASSIFIED - NON CLASSIFIÉ Federal Authority Advice Record (FAAR) FAAR Response must be submitted by August 22, 2025 Yellowhead Copper Project – Taseko Mines Limited (proponent) Registry File: 89694 Please complete the following: Department/Agency Natural Resources Canada Lead Contact Shelley Ball Full Address 580 Booth Street, Ottawa Email shelley.ball@nrcan-rncan.gc.ca Telephone 613-240-1696 Alternate Contact Kathy McPherson 1. Will your department or agency exercise a power, perform a duty or function, or provide financial assistance, related to the project to enable it to be carried out in whole or in part? Yes. NRCan is responsible for administering the Explosives Act, and for issuing permits to manufacture and store explosives. The project proponent has indicated in their Initial Project Description, that they will require both. As relevant, a) Specify the power, duty or function, or financial assistance, and the likelihood that it will be required to construct the project, based on the Initial Project Description, as either Required, Potential, Likely, Unlikely or Not Required Construction of the project has the potential to require the storage of explosives. That initial permit for storage of explosives on the mine site, would come from BC’s Ministry of Energy, Mines and Natural Gas. b) Describe any associated Indigenous or public consultation, including timelines c) Describe any associated information requirements (e.g., alternative means assessment, habitat offsetting), and specify those that may be coordinated with the impact assessment process, if an impact assessment is required d) Identify any associated project-specific guidance ...

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Attachment Transport Canada Federal Authority Advice Record

• Yellowhead Copper Project
• Author: Administrator on behalf of Transport Canada
• Reference number: 14
• Submitted: 2025-08-22
• Updated: 2025-09-09 - 1:17 PM
• Rationale: Comment updated for administrative purposes
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe  
• Attachment included
• Federal Authority Advice Record (FAAR) FAAR Response must be submitted by August 22, 2025 Yellowhead Copper Project – Taseko Mines Limited (proponent) Registry File: 89694 Please complete the following: Department/Agency Transport Canada Lead Contact Joanne Kwok Full Address 820 – 800 Burrard Street, Vancouver, BC V6Z 2G7 Email Joanne.kwok@tc.gc.ca Telephone 604-315-3167 Alternate Contact Suman Atwal Suman.atwal@tc.gc.ca 1. Will your department or agency exercise a power, perform a duty or function, or provide financial assistance, related to the project to enable it to be carried out in whole or in part? As relevant, a) Specify the power, duty or function, or financial assistance, and the likelihood that it will be required to construct the project, based on the Initial Project Description, as either Required, Potential, Likely, Unlikely or Not Required Based on the information provided in the Initial Project Description, Transport Canada (TC) will potentially have a power or perform a duty or function related to the Project under the Canadian Navigable Waters Act (CNWA). The mandate of TC’s Navigation Protection Program (NPP) is to protect the public right of navigation on Canadian navigable waters. The NPP administers the Canadian Navigable Waters Act, the Wrecked, Abandoned or Hazardous Vessels Act (jointly with the Department of Fisheries and Oceans and the Canadian Coast Guard), and certain sections of the Canada Shipping Act, 2001. Program responsibilities of the NPP focus on the administration and enforcement to protect the public right of navigation. The program: • approves and sets terms and conditions for works in navigable waters; • ...

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Attachment Employment and Social Development Canada Federal Authority Advice Record

• Yellowhead Copper Project
• Author: Administrator on behalf of Employment and Social Development Canada
• Reference number: 12
• Submitted: 2025-08-22
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe  
• Attachment included
• Federal Authority Advice Record (FAAR) FAAR Response must be submitted by August 22, 2025 Yellowhead Copper Project – Taseko Mines Limited (proponent) Registry File: 89694 Please complete the following: Department/Agency Employment and Social Development Canada (ESDC) Lead Contact Eva Lazar – Executive Director Full Address 142 Prom. du Portage, Gatineau, QC J8X 2K3 Email eva.lazar@hrsdc-rhdcc.gc.ca Telephone 1-819-654-2389 Alternate Contact Bryan Hamel bryan.hamel@hrsdc-rhdcc.gc.ca 1. Will your department or agency exercise a power, perform a duty or function, or provide financial assistance, related to the project to enable it to be carried out in whole or in part? As relevant, a) Specify the power, duty or function, or financial assistance, and the likelihood that it will be required to construct the project, based on the Initial Project Description, as either Required, Potential, Likely, Unlikely or Not Required b) Describe any associated Indigenous or public consultation, including timelines c) Describe any associated information requirements (e.g., alternative means assessment, habitat offsetting), and specify those that may be coordinated with the impact assessment process, if an impact assessment is required d) Identify any associated project-specific guidance or issues of which the proponent should be aware, or information the proponent should provide. No. ---------------------------------------------------------------------------------------- 2. Using Table 1, identify project- and context- specific key issues, based on the expertise within your mandate1 and the information in your possession, including the Initial Project ...

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Attachment Indigenous Services Canada Federal Authority Advice Record

• Yellowhead Copper Project
• Author: Administrator on behalf of Indigenous Services Canada
• Reference number: 15
• Submitted: 2025-08-22
• Updated: 2025-09-09 - 1:19 PM
• Rationale: Comment updated for administrative purposes
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe  
• Attachment included
• Federal Authority Advice Record (FAAR) FAAR Response must be submitted by August 22, 2025 Yellowhead Copper Project – Taseko Mines Limited (proponent) Registry File: 89694 Please complete the following: Department/Agency Indigenous Services Canada Lead Contact Norah Kielland Full Address 10 rue Wellington, Gatineau QC, K1A 0H4 Email Norah.kielland@sac-isc.gc.ca Telephone Alternate Contact 1. Will your department or agency exercise a power, perform a duty or function, or provide financial assistance, related to the project to enable it to be carried out in whole or in part? As relevant, a) Specify the power, duty or function, or financial assistance, and the likelihood that it will be required to construct the project, based on the Initial Project Description, as either Required, Potential, Likely, Unlikely or Not Required b) Describe any associated Indigenous or public consultation, including timelines c) Describe any associated information requirements (e.g., alternative means assessment, habitat offsetting), and specify those that may be coordinated with the impact assessment process, if an impact assessment is required d) Identify any associated project-specific guidance or issues of which the proponent should be aware, or information the proponent should provide. Indigenous Services Canada (ISC) will not be required to exercise a power or perform a duty or function related to the Project as it is not responsible for approving or issuing licences, permits or authorizations for the assessment of this project. 2. Using Table 1, identify project- and context- specific key issues, based on the expertise within your mandate1 and the ...

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Attachment Environment and Climate Change Canada Federal Authority Advice Record

• Yellowhead Copper Project
• Author: Administrator on behalf of Environment and Climate Change Canada
• Reference number: 16
• Submitted: 2025-08-21
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe  
• Attachment included
• Federal Authority Advice Record (FAAR) Date of Submission: August 21, 2025 Yellowhead Copper Project – Taseko Mines Limited (Proponent) Registry File: 89694 Please complete the following: Department/Agency Environment and Climate Change Canada (ECCC) Lead Contact Christie Spry Full Address 101-401 Burrard St., Vancouver, BC Email Christie.Spry@ec.gc.ca Telephone 778-726-3364 Alternate Contact Daniel Birch (Daniel.Birch@ec.gc.ca) 1. Will your department or agency exercise a power, perform a duty or function, or provide financial assistance, related to the project to enable it to be carried out in whole or in part? As relevant, a) Specify the power, duty or function, or financial assistance, and the likelihood that it will be required to construct the project, based on the Initial Project Description, as either Required, Potential, Likely, Unlikely or Not Required Please note the following requirements that may apply to this project: Species at Risk Act permits: Potential The Species at Risk Act (SARA) prohibits the following: a. Kill, harm, harass, capture, possess, buy, sell, trade individuals (SARA s.32) b. Damage or destroy the residence of one or more individuals (SARA s.33) c. Destroy any part of critical habitat for a listed species for which an order has been issued (SARA s.58) The prohibitions apply to species identified on Schedule 1 of the SARA as Threatened, Endangered, or Extirpated on federal lands (unless otherwise instructed by an order) for terrestrial species (SAR Public Registry). Please note that for species at risk that are either Migratory Birds (identified under the Migratory Birds Convention Act) or Aquatic Species, ...

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Attachment Women and Gender Equality Canada Federal Authority Advice Record

• Yellowhead Copper Project
• Author: Administrator on behalf of Women and Gender Equality Canada (WAGE)
• Reference number: 11
• Submitted: 2025-08-18 - 12:19 PM
• Updated: 2025-09-09 - 1:22 PM
• Rationale: Comment updated for administrative purposes
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe  
• Attachment included
• Non classifié - Unclassified Federal Authority Advice Record (FAAR) FAAR Response must be submitted by August 22, 2025 Yellowhead Copper Project – Taseko Mines Limited (proponent) Registry File: 89694 Please complete the following: Department/Agency Women and Gender Equality Canada Lead Contact MigaChultem, Director, GBA Plus Directorate, Strategic Policy Branch Full Address 22 Eddy Street, 10th Floor Gatineau, QC J8X 2V6 Email FEGC.EvaluationImpacts- ImpactsAssessment.WAGE@fegc-wage.gc.ca Telephone 819-938-1132 Alternate Contact Megan Kirby, Policy Officer, GBA Plus Directorate, Strategic Policy Branch, Megan.Kirby@fegc- wage.gc.ca 1. Will your department or agency exercise a power, perform a duty or function, or provide financial assistance, related to the project to enable it to be carried out in whole or in part? As relevant, a) Specify the power, duty or function, or financial assistance, and the likelihood that it will be required to construct the project, based on the Initial Project Description, as either Required, Potential, Likely, Unlikely or Not Required Not applicable. WAGE does not hold any regulatory power, functions, or duties. b) Describe any associated Indigenous or public consultation, including timelines Not applicable. c) Describe any associated information requirements (e.g., alternative means assessment, habitat offsetting), and specify those that may be coordinated with the impact assessment process, if an impact assessment is required Not applicable. d) Identify any associated project-specific guidance or issues of which the proponent should be aware, or information the proponent should provide. Below ...

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Attachment Yellowhead mine proposal

• Yellowhead Copper Project
• Author: Administrator on behalf of North Thompson Watch
• Reference number: 9
• Submitted: 2025-08-16 - 3:54 PM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• The proposed Yellowhead Mine was formerly known as the Harper Creek Mine (proposal) and this mine has a history. We recommend that the mine not open. Thank you, North Thompson Watch   25 March 2015, 4:00pm EDT A Mount Polley in Waiting – The Harper Creek Mine Should Not Open   Taseko https://can01.safelinks.protection.outlook.com (Ottawa) The planned Harper Creek Mine near Vavenby, British Columbia, could be another Mount Polley disaster and should be stopped, says MiningWatch Canada in its March 21 submission https://can01.safelinks.protection.outlook.com/ to the federal environmental assessment of the mine proposed project. On Secwepemc territory, the huge low grade open pit copper mine proposed by Yellowhead Mining Corporation would rely on a massive tailings impoundment just above a very steep bedrock channel leading to Harper Creek and from there to the North Thompson River. “Like Mount Polley, the company anticipates a constant ‘surplus water balance’ in the impoundment. Over 585 million tonnes of mine wastes and extra water will be held back from the channel by a dam constructed on a poorly defined glaciolacustrine layer. The dam hazard classification from the Canadian Dam Association is ‘Very High’,” and is a concern, says Ugo Lapointe, Canadian Program Coordinator for MiningWatch Canada. “Unlike Mount Polley, however, the tailings will have significant acid generation and metal leaching potential, which again have been poorly defined and underestimated,” adds Lapointe. After a careful ...

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Attachment Fisheries and Oceans Canada Federal Authority Advice Record

• Yellowhead Copper Project
• Author: Administrator on behalf of Fisheries and Oceans Canada
• Reference number: 10
• Submitted: 2025-08-15
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe  
• Attachment included
• Unclassified - Non-Classifié Federal Authority Advice Record (FAAR) FAAR Response must be submitted by August 22, 2025 Yellowhead Copper Project – Taseko Mines Limited (proponent) Registry File: 89694 Please complete the following: Department/Agency Fisheries and Oceans Canada Lead Contact Ian Matchett Full Address 401 Burrard Street, Vancouver BC, V6C 3S4 Email Ian.Matchett@dfo-mpo.gc.ca Telephone 236-334-9307 Alternate Contact Rich McCleary Rich.McCleary@dfo-mpo.gc.ca 250-299-6071 1. Will your department or agency exercise a power, perform a duty or function, or provide financial assistance, related to the project to enable it to be carried out in whole or in part? Yes. As relevant, a) Specify the power, duty or function, or financial assistance, and the likelihood that it will be required to construct the project, based on the Initial Project Description, as either Required, Potential, Likely, Unlikely or Not Required Authorization under Section 34.4(2)(b) and 35(2)(b) of the Fisheries Act may potentially be required for works, undertakings or activities that would result in death of fish or harmful alteration, disruption, or destruction (HADD) of fish habitat. A Fisheries Act Authorization may potentially be required for works such as the construction, operation, and closure of the open pit and Tailings Storage Facility and water management activities throughout all project phases. b) Describe any associated Indigenous or public consultation, including timelines If a Fisheries Act Authorization is required, consultation with Indigenous groups whose Aboriginal or treaty rights may be adversely affected by the project will be needed. This ...

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Attachment Importance of specifying Yellowhead Copper Mine location in terms of watersheds

• Yellowhead Copper Project
• Author: Art Carson
• Reference number: 7
• Submitted: 2025-08-12 - 2:19 AM
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
•         In Taseko's online documentation for the poposed Yellowhead copper mine proposal, the geographic location and detailed plan view can be seen on maps and is well described in the text, but very little mention is made regarding which major watershed or watersheds the proposal lies within. All land surfaces everywhere can be described as being within some watershed (drainage area) or other. Since watersheds can be described in a hierarchical way (tributaries of tributaries), It is necessary to choose the scope at which we define and describe a watershed.          I suggest that one might best describe the watersheds within the project footprint on the basis of direct tributaries of the North Thompson River. For example, it appears to me on a quick assessment of the mapping that that a significant portion of the project footprint lies within the watershed of the Barriere River and its tributaries. Whatever the case may be, I believe  a brief mention of which watershed or watersheds the proposal lies within should appear quite near the beginning of the text, such as in the introductory sections. I believe that a cetain amount of this kind of watershed-based understanding of the land in the area of the proposal will help people assess the potential impacts of the project.

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Attachment Health Canada Federal Authority Advice Record

• Yellowhead Copper Project
• Author: Administrator on behalf of Health Canada
• Reference number: 8
• Submitted: 2025-07-31
• Project phase: Planning
• Participation notice: Public notice - Comments Invited & Information Sessions on the Initial Project Description
• See the attached submission / Veuillez consulter la pièce jointe
• Attachment included
• Unclassified / Non classifié Federal Authority Advice Record (FAAR) FAAR Response must be submitted by August 22, 2025 Yellowhead Copper Project – Taseko Mines Limited (proponent) Registry File: 89694 Please complete the following: Department/Agency Health Canada (HC) Lead Contact Herbert Antill Full Address 1138 Melville St., Vancouver, BC V6E 4S3 Email herbert.antill@hc-sc.gc.ca Telephone 604 809-7652 Alternate Contact Paula Smith (paula.smith@hc- sc.gc.ca) Helen Yeh (hsin-ming.yeh@hc- sc.gc.ca) 1. Will your department or agency exercise a power, perform a duty or function, or provide financial assistance, related to the project to enable it to be carried out in whole or in part? As relevant, a) Specify the power, duty or function, or financial assistance, and the likelihood that it will be required to construct the project, based on the Initial Project Description, as either Required, Potential, Likely, Unlikely or Not Required • Not applicable. HC will not exercise a power, perform a duty or function, or provide financial assistance related to the Project. b) Describe any associated Indigenous or public consultation, including timelines • Not applicable. c) Describe any associated information requirements (e.g., alternative means assessment, habitat offsetting), and specify those that may be coordinated with the impact assessment process, if an impact assessment is required • Not applicable. d) Identify any associated project-specific guidance or issues of which the proponent should be aware, or information the proponent should provide. • Not applicable. mailto:herbert.antill@hc-sc.gc.ca Unclassified / Non classifié 2. ...

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