It really depends on how we design the sampling plan. Every monitoring program will have to have objectives, so it depends on how we set the objectives of what the data need to inform. As a result, timelines could be established, but I would say that we already have all the infrastructure set and all the technology we need. Our scientists were among the first to develop the methodology to get such data, if they are indeed required.
On May 6th, 2010. See this statement in context.