Yes, the emergency powers under the general order in council are intended to be used only in circumstances in which health is deemed acceptable. Under no scenarios would those powers be used in a situation in which health is deemed unacceptable.
At the very first, Health Canada would undergo its usual scientific assessment. Should that assessment deem that there are unacceptable risks related to the environment, and should there be a seriously detrimental infestation, only then can the government decide to use these powers, in a very limited time frame, to continue the use of a product under those very narrow circumstances.