I'm not aware of the specific study that you're mentioning, but would like to clarify a couple of points in this regard.
Overall regulation of shale gas development in Canada is within provincial jurisdiction. The Government of Canada is obviously committed to supporting the responsible development of all of our resources going forward. We've been working very closely with various regimes and industry in terms of practices and the requirements around shale gas development in Canada.
According to the regulators in western Canada, where most of this activity occurs, there has never been a proven case of contamination related to fracking activities, and these activities have been taking place in western Canada for more than 50 years. We're obviously following developments and interest in this area very closely, and will continue to do so, and work with our provincial colleagues in terms of ensuring—