Environmental Assessment

GFP has officially begun our Environmental Assessment (EA) for the MMR Project at Chalk River Laboratories (CRL). We have retained an environmental consultant (potentially include information about Calian) to support our EA. Together, we are working to review and assess existing environmental baseline data for the site. We have also received a decision from the Canadian Nuclear Safety Commission on the scope of our EA. This EA will follow the guidelines established for CEAA 2012.

We have also officially signed a Project  Host agreement with Canadian Nuclear Laboratories (CNL), which sets the framework for GFP and CNL to complete a land-use agreement and ultimately, move to the fourth and final stage of the SMR process. GFP has confirmed our preferred site at the CNL site.

This EA process occurs in tandem with continued Indigenous and public outreach and continued discussions with CNL.

We are here

Project Site Location

As part of the CNL siting process, GFP used a site selection procedure to narrow down ten candidate sites at CRL to the three sites being carried forward by GFP. These sites were then compared for determination of a preferred site in their Project Description for the MMRP. These sites were named to A, B and C and mapped as shown below.

The larger Site C, the section currently used as a parking lot is the preferred section for development of the Project, where development within this area avoids further disturbance to the natural environment and avoids an area where remediation would be required. The image below shows the parking lot portion of Site C within which GFP seeks to site the Project.

Environmental Aspects to be Considered

The EA will consider the effects of the project on various aspects of the environment, such as:

• Atmospheric Environment (including climate change)

• Surface Water Environment

• Terrestrial Environment

• Aquatic Environment

• Land Use

• Physical and cultural heritage

• Transportation

• Socio-economic Conditions

• Interests of Indigenous Peoples

• Geology

• Hydrogeology

• Seismicity (earthquakes)

• Human Health

• Safety & Security

Valued Ecosystem Components (VECs)

Environmental Aspect


Atmospheric Environment

Geological and Hydrogeological Environment

  • Air Quality

  • Greenhouse Gases

  • Geology

  • Groundwater quantity and quality

Surface Water Environment

  • Hydrology

  • Surface Water Quality

Aquatic Environment

  • Perch Creek and Perch Lake Watershed Fish Habitat

  • Perch Creek ad Perch Lake Watershed Fish Community

  • Fish Species of Conservation Concern

Terrestrial Environment

  • Vegetation communities

  • Migratory birds

  • Canada warbler

  • Eastern whip-poor-will

  • Eastern wood-pewee

  • Golden-winged warbler

  • Wood thrush

  • Bats (Little brown myotis, Northern myotis, tri-coloured bat)

  • Blanding's turtle

  • Eastern milksnake

  • Monarch butterfly

Ambient Radioactivity and Ecological Health

  • Crustaceans

  • Fish and Fish Habitat (Small Pelagic forage [omnivores])

  • Fish and Fish Habitat (Small -Bethivorous)

  • Fish (Large -Carnivorous)

  • Vegetation Communities

  • Pollinator

  • Terrestrial Invertebrate

  • Bats (Small - Insectivores)

  • Small and Large Herbivores

  • Small and Large Omnivores

  • Large Carnivores (Eastern wolf)

  • Turtle

  • Snake

  • Frog

  • Migratory birds

  • Raptors

  • Waterfowl

  • Large semi-aquatic

Human Health

Socioeconomic Environment

Land and Resource Use

  • Worker

  • Public (Residential and Seasonal)

  • Self-Sufficient Indigenous Peoples

  • Labour Market

  • Economic Development

  • Government Finances

  • Housing and Accommodations

  • Services and Infrastructure

  • Quality of Life

  • Public Safety

  • Land Tenure and Other Registered Interests

  • Outdoor Recreation and Tourism

  • Archaeological Sites

Interests of Indigenous Peoples- Traditional Land and Resource Use

  • Traditional land and resource use by Indigenous Peoples

Recently Completed Studies

Geophysical Investigations

  • Non-invasive geophysical investigations were completed Oct 20-26, 2020

  • About 1.5 km of seismic surveys were performed along roads and fence lines

  • Work involved laying a series of cables and connecting a series (24-48) of vibration sensing devices (geophones) on the ground at set intervals (2-4m) referred to as a seismic spread.

  • The ground is impacted with a sledge-hammer or elastic weight drop at set locations along the seismic spread (seismic “shot”).

  • The seismic waves generated by the hammer impact are picked-up by the receivers and recorded on a digital seismograph.

Public opinion polling?

Specific studies to be done and timeline

  • January 5, 2021 - Air Emissions/Dispersion modelling

  • February 2, 2021 - Ecological/environmental risk assessment

  • February 26, 2021 - Economic Modeling

  • February 26, 2021 - Gender Based Analysis

  • March 18, 2021 - Sustainability Assessment

  • May-June 2021 - Traditional Knowledge studies

Phase of the Project

The EA will consider five phases of the proposed project. Below are examples of key activities in each phase.


Project Development (Environmental Assessment and Licensing?)
- Preliminary planning and design including proposed schedule
- Project site characterization and site surveys
- Identification and assessment of potential environmental impacts

Site Preparation
- Implementation of site access control measures
- Installation of services and utilities required by the project facilities (e.g., domestic water, fire water, sewage, electrical, communications, natural gas)
- Installation of required environmental monitoring and mitigation systems, flood protection and erosion control measures

- Excavation and preparation of building foundations
- Construction and/or assembly of main facility structures. It is expected that off-site pre-cast concrete structures will
be used. In-situ concrete will either be delivered to site premixed or will be mixed on site.


- Operation and maintenance (including inspections, sampling, verification, and testing) of plant systems
- Processing and handling of waste


- Execute facility decommissioning activities in accordance with a CNSC-accepted Detailed Decommissioning Plan.


- Following safe and successful decommissioning, GFP will apply to the CNSC for a Licence to Abandon.

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