 You don't need to have had a child test with an elevated blood lead level first. We can try to go before that becomes a problem. Before the kid is the canary in the coal mine that tells us there's an issue. We want to get into these old homes where kids live and make sure that there's no places for them to get exposed in the first place. Now, somebody is listening and they're like, you know, I need more information. I need you to come see my home. What should they do?