Polybrominated dibenzo-p-dioxins and dibenzofurans(PBDD/Fs)are important toxic organic contaminants released from the application,manufacturing,and recycling of brominated flame retardants.

• 溴代二恶英类化合物是一类剧毒环境污染物,主要来源于溴系阻燃剂与含溴系阻燃剂聚合物的生产、使用和回收等过程。