 Those kind of things. Before 2004, I have to have it tested before I take it down to the landfill. It has to be tested in my house. I have to make sure I have that paperwork before I take it down there to dispose of it. Now, you see on social media people that have the 60s and 70s and 80s houses, and they pull stuff up, and they're like, oh, I got this black tar glue.