Shenhai e fakamoʻoni fakaʻauha
Ko e U.S. Maluʻi ʻo e ʻatakai ko e tauʻ (EPA) ʻOku lolotonga fakahoko ha fakatotolo ki he fehokotakiʻanga ʻi he vahaʻa ʻo e butadiene mo e kanisaa.
ʻIkai ngata ai, Kuo faʻu ʻe he EʻA e palani ke fakatonutonu ʻaki e ngaahi benzene, ʻiloʻi ko ha carcinogen. The agency asserts that substantial data exist demonstrating that ka ʻoku ʻikai ke ʻi ai ha meʻa, along with its synthetic rubber manufacturing process, significantly endangers human health.