Once again, I don't have the figures with me. I haven't monitored the concentrations. So I'm not sure. Perhaps we should look at the data that Waterloo University has published in this field.
On May 12th, 2009. See this statement in context.
On May 12th, 2009. See this statement in context.
May 12th, 2009 / 8:35 a.m.
Associate Professor, Environmental Engineering Program, University of Alberta, As an Individual
Once again, I don't have the figures with me. I haven't monitored the concentrations. So I'm not sure. Perhaps we should look at the data that Waterloo University has published in this field.
See context to find out what was said next.