Well, certainly as we look at replacing water systems for first nations, some of which have been under boil water advisories for a couple of decades, I'm wondering if somebody is looking at that aspect of it as well. That's a question I'll ask of somebody else.
Mr. Yates, maybe you can build on comments we had from the previous panel. How is it that a partial replacement actually worsens the situation? What goes on there? For instance, if the municipality replaces its piece but the homeowner doesn't, why does that make it worse?