I just wanted to add that Environment Canada is another department that does regulate our industry as well.
And just getting back to the reference to the number--and Dave alluded to the bell curve—because there's such a variation in infrastructure at these sites, based on provincial requirements and the products that are stored at these sites, again, there will be some sites that require no upgrades and there will be some sites that require extensive upgrades. That's why we looked at a bell curve. That's why we looked at some sites requiring a lot of money and time to come to meet the new security requirements and some requiring little time, little effort, and few resources to get to that standard.