Yes, from the point of the way they do their work, it's an environmental risk assessment as opposed to a strict hazard.
So you may be aware that one of the things the Department of Fisheries and Oceans is working on now is a new regulation under section 36 of the Fisheries Act. It will be called the fish pathogen and pest treatment regulation.
Essentially what it will do is set out the conditions under which pesticides or pathogen treatments can be used in conjunction with the regulations administered by PMRA in an aquaculture context, so that the fisheries aspect issues are dealt with as well.