Futunoti

a Imiti ya PCB (polychlorinated biphenyls) batendeke ukuipanga mu myaka ya ba 1930. Kwaba imisango ya PCB ukucila pali 200 iya fya mafuta mafuta fya kunasha ifyela muli bamashini, amaplastiki, amaplastiki ya mu fya malaiti malaiti, imiti ya tushishi, imiti ya kucapila, na fimbipo. Nangu line babinda imiti ya PCB mu fyalo ifingi, na ndakai line, amatani nalimo milioni umo nelyo amamilioni yabili yalipangwa kale. Sumu wabipa alilengwa ne miti ya PCB intu bapoosa pantu ilakowesha ifya pe sonde.