: Concentrations of 57 polychlorinated biphenyl (PCB) congenes in sedime nts, Grass Carps and the triolein-filled semipermeable membrane devices (triolei n-SPMD) in Xinyang and Huainan reaches of Huaihe River were measured.

• 测定了57种多氯联苯同系物在淮河信阳和淮南段水体沉积物、鲤鱼(Grass Carp)和三 油酸甘油酯半渗透膜生物模拟采样器(Triolein-SPMD)中的浓度.