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.
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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