I'm not aware of any studies, but we probably have done some comparisons. I don't have that with me. We'd have to get it for you. I can look into it.
On May 28th, 2008. See this statement in context.
On May 28th, 2008. See this statement in context.
May 28th, 2008 / 4:20 p.m.
Acting Assistant Deputy Minister, Science and Technology Branch, Department of the Environment
I'm not aware of any studies, but we probably have done some comparisons. I don't have that with me. We'd have to get it for you. I can look into it.
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