Our concern would basically be the application at the street level. As you mentioned, determining if someone is impaired by marijuana while driving, for example, requires a drug recognition expert. For just one of those individuals, there's an intensive training course, and they have to be recertified every year.
The last figure I heard—I'm not sure that it's completely accurate—is that there are approximately 400 drug recognition experts in all of Canada at this time. If we're going to see a spike in impaired driving through the use of marijuana, our issue there will be whether we have enough resources on the street to have these experts trained in time to deal with it. That's the basis of our concern.