Yes.
On the impact of partial lead service line replacement, we have conducted two series of studies, both of which suggest that partial replacements are not the preferred solution, but they do not cause an increase in the amount of lead over the long term. This is an important piece of information, since utilities have a legacy of these partial connections and, as many have stated, it is difficult to obtain a complete replacement with the owner's participation.
Finally, to close, I would also like to add that my group has completed work to quantify the benefits of interventions for utilities to consider, whether it's removing lead service lines or changing bad faucets and connecting piping in schools, which is a very hot topic in Canada. I would like to say that with regard to the work we've done in quantifying the exposure in the lead service lines in homes and the partial lead service lines in homes and the schools, it is very clear that priority should be given to removing the lead service lines and, if possible, removing all of the service lines, even more so than—