Eliminating that huge stockpile of extremely toxic and dangerous substances, while ensuring that neither people nor the environment are harmed, was always going to be a daunting challenge for the States parties.
对缔约国而言，销毁毒性极强和危险极大的物质的巨大库存，同时保证人员或环境不受损害，将始终是一项艰巨的挑战。