Tetrahydrofuran is highly flammable and may contribute to the release of toxic gases and vapors during a fire, according to the federal Occupational Safety and Health Administration. 美国职业安全与保健管理局介绍说,四氢呋喃是一种易燃物质,发生火灾时它有可能导致一些有毒气体挥发。
The federal government has an entire agency called the Occupational Safety and Health Administration that is responsible for many of these laws. 联邦政府有个机构叫职业安全和健康署在负责这类法律。