Abstract: Apparatus is provided for accessing hazardous materials stored in a container. The apparatus includes a base that is securely mountable to the container of hazardous materials. The base may include an assembly of clamps or an assembly of suction cups adaptable to containers of varying sizes and configurations. The frame is removably and adjustably mounted to the base. The frame includes plural gantries that are selectively movable toward or away from the base and the container to which the base is mounted. A tool is mounted to each gantry. A first tool is operative to perform work on the container, while the second tool is operative to position the first tool. The tools are powered and controlled from a remote location preferably by pneumatic power.