Yes, the group in charge of the spectrum and Health Canada consult each other rather frequently about the towers. The responsibility falls on Health Canada first. The department has to define the standards and Industry Canada makes sure those standards are implemented.
So yes, communication does take place. I am not sure if there is a permanent group of officials who get together every week, but I know that they communicate quite frequently. The question has been raised on a number of occasions previously. Over the past few years, Health Canada has reviewed its standards and Industry Canada has made adjustments accordingly. Fundamentally, Health Canada has the responsibility first.