Very extensive regulations and an array of actions are taken if there is a leak. That includes extensive cleanup and repair, so there's assurance that if the pipeline is opened again for operation, it's high integrity and will be safe, and that it is completely restored in the locale where there may have been some damage. That is in place in a range of regulations and requirements, and frankly, it's the right thing to do.
The only other thing I would add is that some people might look at the picture of a leak on day one and think it is horrific and permanent damage. It is something we work extremely hard to avoid, but I can assure you it is not permanent damage. In fact, I'm aware of several instances when the cleanup left the landscape cleaner than it had been. A good example of that is in the port of Vancouver, following an incident when an oil pipeline was struck by a contractor. It was not the company's fault, nor was there any need to be concerned about the safety of the pipeline itself, but that was a very industrial port area, and by the time it had been cleaned up it had been very much improved from the state it was found in at the time.