Certainly that is an important question to raise with the industry. I believe that with some of the alternatives we have seen, we have not identified issues. It may be that industry also has proprietary chemicals they're looking at for which I would not have the answer.
At Environment Canada and Health Canada, we have a list of priority substances that we are examining right now. It is readily available on our website. Industry has access to knowing what our priorities are in terms of concerns for certain chemicals.