Markii hore, dharka bannaanka waxaa lagu daaweeyay xeryahooda wasakhaysan (PFCs) si ay isaga celiyaan wasakhda saliidda ku salaysan, laakiin waxaa la ogaaday inay aad u nool yihiin oo khatar ku yihiin soo-gaadhista soo noqnoqda.

Hadda, shirkadda cilmi-baarista Kanada waxay taageertay summada bannaanka ee Arc'teryx si ay u horumariso dhammays-tirka dunta-fluorine-la'aanta ee saliidda iyada oo la adeegsanayo farsamo cusub oo isku daraysa dhismo dhar ah iyo dahaar-ku-salaysan PFC-la'aan ah.