nostr:npub1x3n9jcp54npw2l6scvewdvy47jhvj30706u783nu2hktu6a8gc5q8f00qs you might find this interesting 
https://image.nostr.build/8980119d76025613a6503513b0a2ba8d1e25a950f8476b7ca274154b459cf250.png
https://www.ewg.org/tapwater/contaminant.php?contamcode=2050