I'll tell you what the $175 million is for. There are five broad categories of funding that are being provided through the supplementary estimates. One is for isotope production. That's to ensure the requirements for the re-licensing of the NRU. The second item is the shutdown of dedicated isotope facilities. These are the MAPLE reactors. They were terminated in May 2008 because of technical difficulties, and funds are required to make sure that they are put in a safe state and that the enriched uranium is shipped back to the Untied States. The third broad area relates to operational infrastructure upgrades to Chalk River.
On March 1st, 2011. See this statement in context.