Yes.
Since 1995 we have been using basically the same method, but they have been evolving over time. We made great strides in getting a better understanding of drift characteristics in terms of developing models to model that.
On January 29th, 2008. See this statement in context.
January 29th, 2008 / 10:30 a.m.
Acting Director General, Environmental Assessment Directorate, Health Canada
Yes.
Since 1995 we have been using basically the same method, but they have been evolving over time. We made great strides in getting a better understanding of drift characteristics in terms of developing models to model that.
See context to find out what was said next.