More for people who don't understand scale, like vaxxers, fukishima zomgers, or good ol chemtrailers.
Parts per billion. Probably a few parts from the Trinity nuke test in there too. Persistent chemical is persistent. Special at 11! Water is wet!
I do think about stuff like this, I limit foods for exposure and worry about my bees. But at some point man has touched every part of the food chain. We wouldn't know ten years ago because stuff like this was beyond the limits of detection.