TV: Well, the-the heavy metals there-there are always metals in the river, you know, some of that's naturally according. We have, back in the old days, anyway, cinnabar mines, mercury mines, up in the Big Bend region and so, there's, you know, rocks up there that contain mercury. Arsenic is always in the-the water, naturally according for the most case. One of the big-one of the big issues in Laredo over the years has been the antimony smelter that-there was a company that would-went through various names but in-in the past twenty years, it was called Anzon America. It was actually a British