Patent Number: 
Section: claims

1. A system for transferring hazardous waste material into a sealable container, the system comprising:a container configured to sealingly contain the hazardous waste material, the container including a filling port;a hopper for supplying hazardous waste material;a filling nozzle having:a valve body having a distal end, an inner surface, and an outer surface, the valve body including a valve seat proximate the distal end, the outer surface proximate the distal end being configured to sealingly and removeably couple the valve body to an inner surface of a filling port of the container,a valve head;a valve stem extending axially from the valve head through at least a portion of the valve body;a passage defined between the valve stem and the inner surface of the valve body, the passage being fluidly coupled to the hopper for transfer of hazardous waste material from the hopper; anda vacuum nozzle sealingly and removably couplable with an exhaust port in the distal end of the valve body, the vacuum nozzle being in sealed fluid communication with the valve body in a filling configuration;wherein the valve head has a valve face configured to form a seal with the valve seat proximate the distal end in a closed configuration to seal the filling nozzle, the valve head configured to allow the passage and the container to be fluidly coupled with one another in an open configuration in use for transfer of hazardous waste material from the passage into the container,wherein, in the open configuration in use, the valve head extends distally from the valve body and into the container, andwherein the outer surface of the valve body includes a first seal proximate the distal end to sealingly engage the inner surface of the filling port and a second seal, spaced from the first seal, to further sealingly engage the inner surface of the filling port. 2. The system of claim 1 further comprising:a first scale coupled to the hopper and configured to determine an initial hopper weight;a second scale configured to be coupled to the container and to determine a container fill weight; anda processor coupled to the first scale and the second scale and configured to compare the initial hopper weight to the container fill weight. 3. The system of claim 2, wherein the hopper includes a volume substantially equal to a volume of the container. 4. The system of claim 3 further comprising:at least one vibrator coupled to the hopper. 5. The system of claim 1 further comprising:at least one vibrator coupled to a bottom of the container. 6. The system of claim 1 further comprising:a sensor disposed in the valve head, wherein the sensor is configured to determine a level of hazardous material in the container in use. 7. The system of claim 6, wherein the sensor extends distally from the valve body. 8. The system of claim 1, wherein the valve body includes:a first branch section coupled to the hopper, anda second branch section including the distal end and having a proximal end, the proximal end coupled to a drive mechanism configured to move the valve stem. 9. The system of claim 8, wherein the valve stem extends through the proximal end of the second branch section, the proximal end including a seal coupled to a portion of the valve stem. 10. The system of claim 1, wherein the vacuum nozzle extends through the distal end of the valve body. 11. The system of claim 10, wherein the vacuum nozzle includes a filter proximate the distal end of the valve body. 12. The system of claim 1 further comprising:a lift mechanism configured to lift the container toward the fill nozzle. 13. The system of claim 1, wherein the container is at least initially under negative pressure. 14. The system of claim 1, wherein the filling port of the container is configured to be sealed closed after decoupling the valve body from the filling port. 15. The system of claim 1, wherein the hopper is fluidly isolated from an exterior of the filling nozzle in the closed configuration. 16. The system of claim 1, wherein an interior of the filling nozzle is fluidly isolated from an exterior of the filling nozzle in the closed configuration. 17. The system of claim 1, wherein the valve seat is fixed against movement relative to the hopper. 18. The system of claim 1, wherein the valve body is a unitary piece. 19. The system of claim 1, further comprising:hazardous waste material, wherein, in the open configuration during use, the hazardous waste material extends from the hopper to the container via the passage.