 And compare the concentrations by tampon characteristics. I guess maybe somewhere there's a rating of, you know, your tampon brand. They use mass spec to determine concentration of arsenic, barium, calcium, cadmium, cobalt, chromium, copper, iron, manganese, mercury, nickel, lead, selenium, strontium, vanadium, and zinc. And by the way, some of these things are not harmful. You know, like zinc, almost massive amounts, not a problem. You know, but there's some baddies here. Cadmium.