Environment committee  Well, the point being made on the number itself is that we really don't know what the biological end points would be for some chemicals. There are different biological end points for their impact on a biological process. So whether it's 10-3, 10-5, depending on different chemic

Environment committee  The number comes from the Agency for Toxic Substances and Disease Registry out of Atlanta, Georgia, from some of their scientists. Actually, the work is maybe not being done so much for health-related reasons as for security reasons over the last few years, to be able to detect m

Environment committee  I think, again, it's a part of a legacy problem, plus what is also going on presently in the environment. At the point in time when a number of these things came up with virtual elimination, there was also a major study done in the United States called EDSTAC, which went through

Environment committee  I'm not sure when exactly it was developed as a chemical, but in fact maybe the precautionary principle wasn't even around at the time that particular chemical started to be used.

Environment committee  With respect to the Great Lakes Water Quality Agreement, when you come back, it's about restoring the beneficial uses, and there are criteria for doing so. With contaminated sediment, the effects are still showing up in the wildlife. We've gone from gross effects to much more chr