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September 30, 2022
The Ministerial Order from March 12, 2019 outlines requirements for Cherokee Canada Inc., 1510837 Alberta Ltd. and Domtar Inc., related to the former Domtar site (44th Street and 127th Avenue, Edmonton, Alberta).
- Map – Domtar site overview (PDF, 3.7 MB)
The Ministerial Order indicates the companies must submit work plans and complete remedial work within the communities and on the former property within specified periods to protect environmental and human health and ensure effective remediation.
The government has completed a review of the required site assessments and risk assessments and completed the determination of the site-specific remediation criteria, as required by the Ministerial Order. For the site-specific remediation criteria decision, read:
The Office of the Chief Scientist provided a peer review of the site-specific remediation criteria decision by completing an independent, external scientific review of relevant information considered in the department’s site-specific remediation criteria decision under the Ministerial Order.
Using these site-specific remediation criteria, Domtar and Cherokee have created remediation and risk management plans to address the identified contamination. Remediation plans are applicable to Parcel Y (the former Domtar facility), and risk management plans and long-term monitoring plans are applicable to the berm and greenspace along the CN railway (Parcel X, Parcel C berm, Parcel Y berm and the greenbelt behind the Overlanders community).
The government will ensure that all approved plans and activities on the site meet the applicable site-specific and provincial standards for the protection of human and environmental health and that the required properties are remediated to the applicable site-specific and provincial standards. Remediation is not expected or required within the Verte Homesteader community or the Overlanders community.
The department has approved the remediation, risk management and long-term monitoring plans for Cherokee, which will enable remediation to occur this fall. The department also hopes to have a decision completed on the risk management and long-term monitoring plans for Domtar this fall, which would enable long-term monitoring to begin on the lands along the railway. The risk management and long-term monitoring plans are under review by government, independent technical experts and the Office of the Chief Scientist.
Remediation and Reclamation: Excavation started at the former facility in September 2022. Excavation work will consist of the removal of contaminated soils from the site and transportation of these soils to an approved landfill. Soil testing will occur throughout excavation to confirm the removal of contaminated soil before backfilling operations.
Risk Management and Long-Term Monitoring: Risk management of residual contamination is allowed if the contamination can be managed in place without causing adverse effects to human health or the environment. At this site, management of contamination below the recreational areas of the bermed soils and the greenbelt areas is considered possible without causing adverse effect. The Alberta government is currently discussing approaches with Cherokee and Domtar that will involve assurances that direct contact between people and contaminated soil is prevented using engineering controls, such as separation between surface soils and contaminated soils, as well as administrative controls to ensure that soil is not disturbed without proper oversight.
Assuming the Alberta government finds the risk management and long-term monitoring plans acceptable, field personnel would access monitoring wells at various times over the coming years on the berm and greenbelt areas. Groundwater and soil vapour samples would be collected and analyzed to provide assurance that risks are properly managed. If the sampling indicates unexpected concentrations of contaminants, the risk management plan would require corrective actions before there is an exposure concern.
About the 2019 Ministerial Order
The Ministerial Order, based on recommendations from the Environmental Appeals Board, refocused the department’s management of the former Domtar wood preserving facility and issues in neighbouring communities. Above all, the concerns for the health and welfare of local residents remains paramount for government. The order – and accompanying environmental protection orders – clearly stated the need to protect human and environmental health.
The Ministerial Order also directed the companies to provide activity updates directly to residents every 2 months. Once reports are accepted in final format by the Department, summaries of reports and access to reports will be made available by the companies through their community websites. Information from Cherokee Canada is on Homesteader Responds. Information from Domtar is on Overlanders Community Update.
For Albertans seeking specific information on the Ministerial Order and accompanying environmental protection orders, read the Alberta EAB Report and Recommendations – February 26, 2019 (PDF, 12.6 MB).
Timeline on progress
The figure below outlines the current state of progress within the Ministerial Order.
In our commitment to keep residents updated on progress, the Alberta government will be maintaining an action item timeline below as milestones (as set by the order and represented in the figure above) are reached.
Action items from Ministerial Order
|Action Item||Cherokee Status||Domtar Status|
|Short term dust control plan||Received; no approval required||Received; no approval required|
|Long-term dust control program||Approved||Approved|
|Site Delineation||Received – To Be Updated Based on Field Work in Fall 2022||Approved|
|Conceptual Site Modelling||Received – To Be Updated Based on Field Work in Fall 2022||Approved|
|Site Specific Risk Assessment||Approved||Approved|
|Human Health Risk Assessment||Approved||Approved|
|Overlanders Remediation Plan||Not Applicable||Not required|
|Parcel C Remediation Plan||Approved with no further action required.||Not Applicable|
|Risk Management Plan||Approved||Received – Under Review|
|Long Term Monitoring Plan||Approved||Received – Under Review|
|Reclamation and Remediation Plan||Approved||Not required|
As announced in March 2019, Alberta Health continues to work with federal experts to conduct a field epidemiology investigation.
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