Notice of Determination

Montreal – September 22, 2025 – Transport Canada has determined that the proposed installation of new distance measuring equipment (DME) in Trois-Rivières is not likely to cause significant adverse environmental effects.

This determination was based on a consideration of the following factors:

• impacts on rights of Indigenous peoples;
• Indigenous knowledge;
• community knowledge;
• comments received from the public; and
• technically and economically feasible mitigation measures.

Mitigation measures taken into account for this determination are:

• Lead paint to be  removed and disposed by qualified contractor and disposed of at a licensed waste disposal facility.
• Due to construction, heavy equipment and vehicles will be frequenting the site. Spraying water to the accesses road as needed to keep dust generation low
• Thermostats will be inspected for mercury vials, if present, will be collected and disposed of at a licensed facility
• Asbestos materials will be identified and disposed of as per local regulations
• No- work zones will be set up around plant cluster of Milkweed. Monarch butterflies are generally start migration south at the end of the summer to early fall. clustered to be disturbed will only be disturbed after October 10-15th when the monarchs have left and the plants are no longer required. At this stage of summer/fall the monarch are generally completed their metamorphose and are much less reliant on milkweed. Milkweed will continue to grow at the site after construction is complete as no herbicides will be used.
• Any work that results in bare unconsolidated soils (excavation, disturbed or reworked soils, stockpiled materials, etc.) must be accompanied by erosion and sediment control measures to avoid the presence of sediment in streams, lakes, and wetlands.
• If contaminated soil is discovered work will stop immediately and an environmental consultant will be retained to inspect and sample the soil in the area and provide expert opinion the managing and disposal of the soil. Contact EOSH immediately is suspected contamination is discovered.
• Any imported soil, sand, clay or silt used for backfilling must be clean and exempt of contamination. The backfill material must meet both the CCME's and provincial criteria, whichever is more stringent. An analytical laboratory certificate must be provided to prove the environmental quality and origin of the material. May be exempt if material is coming from a licenced quarry.
• Restore the land to its pre-existing state. Soil must be remediated, and the plant cover of all disturbed surfaces must be restored.
• There shall be no use of herbicide or insecticide on the site to control plant and/or inspect populations.
• Provide the site with all sanitary equipment in sufficient quantity to prevent any dispersion of waste into the environment (transportable chemical toilets, garbage cans, bins, etc.).
• Fueling and maintenance of vehicles must be done a minimum of 30 m from a water body or 15 m from a drainage ditch. All measures will be taken to minimize the risk of spill.
• Before work begins, the equipment must be inspected and be in good working order, clean and free of oil or lubricant leaks.
• An emergency plan must be elaborated by the contractor to efficiently manage any environmental incident, spill, or fire and submitted to all parties. At a minimum, this plan must include the contact information of the contractor, clients, and regulatory agencies who would be implicated during an emergency.
• An emergency spill kit must be present on Site throughout the entire project. Any spill must be quickly contained, and any contaminated material must be managed in accordance with the applicable regulations. Any waste or environmental impacts related to a spill must also be managed and disposed of in accordance with the applicable regulations. A copy of the disposal manifests confirming compliance to the applicable regulations must be submitted to EOSH.
• All spills must be reported to EOSH to contact the land lease owner and inform them of the spill. A copy of the Emergency Spill Response Action Plan (ESRAP) must be kept on site and followed in the case of a Spill.
• All waste on site is to be disposed as per provincial regulations.
• The contractor must comply with all applicable regulations concerning the storage, handling, transport and disposal of hazardous materials and dangerous wastes. Hazardous materials must be disposed of using both provincial-approved companies and disposal sites. A copy of all transport manifests must be kept on file.
• All dangerous or hazardous materials used throughout the project must be stored in a secure area and transported in sealed, labelled containers.
• A final pre-construction sweep for birds' nests in/on the DME and Shelter with one being within 72-48 hours of construction.
• Mark off ‘no work' zones around clusters of milkweed plants until October.
• On average, a bi-weekly visit by a qualified environmental monitor to inspect mitigation measures and if need be, recommend additional measures.
• A survey for hazardous Materials (Asbestos, lead, mercury) is required prior to demolition. (Unless shelter is being sold as is.)

The authority is satisfied that the carrying out of the project is not likely to cause significant adverse environmental effects.