But it is dynamic, it changes and is interrelated. Monitoring now is not going to be the same as monitoring when it's in operation, because the focus is different. We did look at the historical information. The site is always looking at the historical data that's available. During production, there were some management disposal practices that did allow contaminants to be released to the environment.
Contaminated soils can feed groundwater contamination.
They can also receive contamination from the groundwater. The fact that you see contamination below the groundwater indicates that it is leaching. You will learn more from the Actinide Migration Studies. It's hard to answer about the characterization of groundwater. It's done semi-annually, and there's not a lot of data.