1.chlorinated aromatic hydrocarbons, eg chlorobenzene, fluorobenzene, chloronaphthalene and bromonaphthalene;
氯代芳香族碳氢化合物,如氯苯,氟,氯萘和萘;
2.Condenser oil not of mineral oil origin, (containing polychlorinated biphenyls, polychlorinated naphthalene, chloronaphthalene, polychlorinated terphenyls or hexachloro benzene, perchlorobenzene