Mr. Michael Teeter (Consultant, Principal, Hillwatch Inc., Salt Institute of Canada) at the Environment and Sustainable Development Committee

I was just going to say that I think it deviates from our debate to get into the issue of smog precursors, because the science on PM₁₀ and PM_2.5 is under debate right now. I think the whole issue of whether atmospheric ammonia should be on the list or not is being debated.