Within the Canadian Council of Ministers of the Environment, there are active working groups dealing with air pollution, looking at the various types of air pollution that each province monitors. There have been efforts under way for at least a decade to try to harmonize the way in which information is collected and reported.
With respect to the current regulatory initiative that was outlined in the notice of intent, there have been ongoing consultations since last summer between the federal and provincial governments on various details of the notice of intent.