PAEs with lighter molecular weight such as dimethyl phthalate (DMP), diethyl phthalate(DEP), di-n-butyl phthalate(DnBP), and butyl-benzyl phthalate(BBP) were detected in all the sludges, but their contents were generally less than 1.0mg/kg.

• 分子量较低的邻苯二甲酸二甲酯(DMP)、邻苯二甲酸二乙酯(DEP)、邻苯二甲酸正二丁酯(DnBP)和邻苯二甲酸丁基苄基酯(BBP)在所有的城市污泥中均检测到；但多数含量较低(小于1.；0mg/kg)