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How to Submit Comments on the Sufficiency of the Environmental Impact Statement

The Review Panel for the Milton Logistics Hub Project is required by its Terms of Reference to determine whether the information in the Environmental Impact Statement is sufficient to proceed to a public hearing. The Review Panel invites Indigenous groups, government bodies, the public and other participants to submit comments on the sufficiency of the Environmental Impact Statement submitted by the Canadian National Railway Company (CN). Participants are also invited to make recommendations to the Review Panel on additional information that it should receive prior to proceeding to a public hearing for the Project.

Purpose of this resource document

This document provides an optional template (see links below) to assist participants in their sufficiency review of the Environmental Impact Statement, and to identify information they wish the Panel to consider when it decides whether and what additional information it needs. Use of the template is not mandatory. All submissions provided will be considered by the Review Panel in determining the sufficiency of the information, or whether additional information is required.

All documents submitted for the sufficiency review will be considered public and posted on the Canadian Environmental Assessment Registry (the Registry) at, reference number 80100. Submissions must be reiceved by March 6, 2017.

Guidance for the sufficiency review

When reviewing the Environmental Impact Statement, participants should consider the technical validity of the information, the methods and analysis used, and the conclusions regarding the significance of any environmental effects, proposed mitigation measures and plans for related follow-up programs.

The environmental assessment information includes the following documents:

  • The Environmental Impact Statement (CEAR #57);
  • The Summary of the Environmental Impact Statement (CEAR #58);
  • Responses from the proponent to requirements for additional information (CEAR #72, CEAR #81, CEAR #375);
  • CN's section 98 application to the Canadian Transportation Agency and supporting documents (CEAR #395).

The following are examples of observations that a participant may consider in the preparation of their submission:

  • You agree or disagree with the proponent's conclusions on the significance of the environmental effects on a species, based on the information provided;
  • You recommend the proponent use a different model to predict the potential effects of the Project;
  • You suggest that additional measures are necessary to mitigate specific environmental effects associated with the Project.

How to submit comments using the template:

  • Download your preferred version of the template (PDF or Microsoft Word)
  • Use the headings provided in the table, and to the best of your ability, identify: the location of the information in the EIS, response to requirements for additional information, or other record; a rationale as to why the Panel requires the information; and, if possible, a request for specific information you believe is required.
  • Please e-mail your comments or a completed comment form to



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