The standard method of algal bioassay for evaluting toxicity of toxic chemicals was applied and the 96h--EC50 of diethyl phthalate (DEP)inhibitillg the growth of Chlorella pyrenoidosa was calculated as 80mg/L.

• 运用评价化学品对藻类毒性的标准实验方法，得出邻苯二甲酸二乙酯（DEP）抑制蛋白核小球藻生长的96h－EC50为80mg/L。