Note by the Secretariat The annex to the present note contains the intersessional task group reports on chlorpyrifos-methyl, dichlorvos, hexachlorobenzene, paraquat and paraquat dichloride, pentachlorobenzene, profenofos, cypermethrin emulsifiable concentrate 10%, cypermethrin emulsifiable concentrate 35%, emamectin benzoate water soluble granules 5% and methomyl soluble powder 40%, as prepared by the intersessional task groups and presented at the twentieth meeting of the Chemical Review Committee. The present note, including its annex, has not been formally edited.