MOBILE-MONITORING AND/OR DECONTAMINATION UNIT STRUCTURE

• US 20120251388A1
• Filed: 03/22/2012
• Published: 10/04/2012
• Est. Priority Date: 03/28/2011
• Status: Active Grant

• Current Assignee: Unitech Services Group, Inc. (UniFirst Corporation)
• Original Assignee: Unitech Services Group, Inc. (UniFirst Corporation)
• Inventors: Case, Leslie B. III, Fuller, Michael R., Johnstone, Gregg A., O'Kelley, Thomas Pearce, Roberts, Glenn E.
• Granted Patent: US 8,637,842 B2
• Time in Patent Office: Days
• US Class Current: 422/28
• CPC Class Codes: B60P 3/005 for use in contaminated areas, e.g. N.B.C. intervention vehicles
• CPC Class Codes: B60R 15/00 Arrangements or adaptations of sanitation devices
• CPC Class Codes: E04H 1/1277 Shelters for decontamination
• CPC Class Codes: G01T 1/167 Measuring radioactive content of objects, e.g. contamination whole body counters G01T1/163
• CPC Class Codes: G21F 9/001 Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof

Abstract

A method of using automatic whole body personnel contamination monitors and/or means for decontaminating individuals exposed to radioactive material contamination is provided. The inventive method involves the use of these monitors and/or decontamination means in intermodal containers of mobile-unit structures dedicated to responding to radiological emergency situations. Also provided are such mobile-unit structures, as well as systems that employ such mobile-unit structures.

Claims

1. A mobile-unit structure dedicated to responding to radiological emergency situations, which comprises an intermodal container having contained therein at least one of:

(a) one or more automatic whole body personnel contamination monitors for alpha and/or beta emitting contaminants; and

(b) means for decontaminating individuals exposed to radioactive material contamination.

2. The mobile-unit structure of claim 1, wherein either a movable or mobile platform is positioned underneath the intermodal container.

3. The mobile-unit structure of claim 2, wherein the platform includes four or more support jacks or leveling legs extending there from to permit leveling the container on uneven surfaces.

4. The mobile-unit structure of claim 1, wherein the intermodal container is shielded for radiation protection.

5. The mobile-unit structure of claim 1, wherein the intermodal container contains one or more automatic whole body personnel contamination monitors for alpha and/or beta emitting contaminants.

6. The mobile-unit structure of claim 5, wherein the one or more automatic whole body personnel contamination monitors are positioned along either a centerline or outside wall of the intermodal container.

7. The mobile-unit structure of claim 5, wherein more than one automatic whole body personnel contamination monitor is contained within the intermodal container, the monitors being separated from adjacent monitors by partitions made from gamma ray shielding materials.

8. The mobile-unit structure of claim 5, wherein the one or more automatic whole body personnel contamination monitors are provided with a counting routine which allows the monitors to also count removable contamination on floor smears.

9. The mobile-unit structure of claim 5, wherein the intermodal container also contains means for decontaminating individuals exposed to radioactive material contamination.

10. The mobile-unit structure of claim 9, wherein the means for decontaminating individuals exposed to radioactive material contamination comprises changing rooms and decontamination showers, which may optionally be present as one or more integrated changing room/shower units.

11. The mobile-unit structure of claim 1, wherein the intermodal container contains means for decontaminating individuals exposed to radioactive material contamination.

12. The mobile-unit structure of claim 11, wherein the means for decontaminating individuals exposed to radioactive material contamination comprises changing rooms and decontamination showers, which may optionally be present as one or more integrated changing room/shower units.

13. The mobile-unit structure of claim 1, wherein the intermodal container also contains a tacky mat or step-off pad placed at an entrance of the container.

14. The mobile-unit structure of claim 1, wherein the intermodal container also contains pre-screening means selected from the group of portal monitors, hand and/or foot detectors, plastic scintillator detectors, and gas flow proportional counting detectors for quantifying alpha and beta activity.

15. The mobile-unit structure of claim 1, wherein the intermodal container also contains computerized data systems for tracking individuals entering the container.

16. The mobile-unit structure of claim 1, wherein the intermodal container also contains heating, cooling, circulation and filtration means selected from the group of heating, ventilation and air conditioning systems and filtration systems.

17. The mobile-unit structure of claim 1, wherein the intermodal container also contains one or more ventilation dampers, water pumps, water heaters, utility service connections, self-contained means for electricity generation, portable water storage and supply, waste water filtration or retention, or combinations thereof.

18. The mobile-unit structure of claim 1, wherein the intermodal container also contains one or more areas for health physics support.

19. The mobile-unit structure of claim 1, wherein the intermodal container has an entrance, a clean exit, and a contaminated exit, and contains an air handling and air filtration system, a monitoring area containing a plurality of the automatic whole body personnel contamination monitors positioned along a centerline of the monitoring area, and a health physics support area.

20. The mobile-unit structure of claim 1, wherein the intermodal container has an entrance, a clean exit, and a quarantine exit that leads to a quarantined holding area, and contains an air handling and air filtration system, a monitoring area containing a plurality of the automatic whole body personnel contamination monitors, a decontamination area containing integrated changing room/shower units, waste collection areas, and a health physics support area.

26. A method for monitoring and/or decontaminating individuals exposed to radioactive material contamination, the method comprising:

providing the mobile-unit structure of claim 19;

arranging for potentially contaminated individuals to enter the intermodal container of the mobile-unit structure at the entrance, to proceed along one side of the container until they reach an available monitor, and to step inside the available monitor;

checking each potentially contaminated individual for radioactive material contamination;

arranging for each contaminated individual to exit the container by walking toward its contaminated exit along the same side of the container on which the individual entered; and

arranging for each non-contaminated individual to exit the container by walking toward its clean exit along a side opposite from the side on which the non-contaminated individual entered.

27. A method for monitoring and/or decontaminating individuals exposed to radioactive material contamination, the method comprising:

providing the mobile-unit structure of claim 20;

arranging for potentially contaminated individuals to enter the intermodal container of the mobile-unit structure at its entrance, to proceed along one side of the container until they reach an available monitor, and to step inside the available monitor;

checking each potentially contaminated individual for radioactive material contamination;

arranging for each contaminated individual to proceed to the decontamination area, to enter an integrated changing room/shower unit where the individual will remove contaminated clothing, shower, and then dress in clean uncontaminated clothing, and then to exit the container through its quarantine exit into the quarantined holding area; and

arranging for each non-contaminated individual to exit the container by walking toward its clean exit.

31. The mobile-unit structure of claim 1, wherein fixed or removable rigging is positioned underneath or on the intermodal container to facilitate air-lifting by helicopter.

32. The mobile-unit structure of claim 1, wherein intermodal container is fitted with one or more high power scanning search lights to make it easy to locate in darkness in an emergency situation.

21. A system for responding to radiological emergency situations that comprises a plurality of mobile-unit structures, each mobile-unit structure comprising an intermodal container having contained therein at least one of:

(a) one or more automatic whole body personnel contamination monitors for alpha and/or beta emitting contaminants; and

(b) means for decontaminating individuals exposed to radioactive material contamination.

22. The system of claim 21, which comprises:

three mobile-unit structures configured to define a quarantine area, wherein two mobile-unit structures are mobile-monitoring-unit structures that each contain a plurality of automatic whole body personnel contamination monitors, and wherein one mobile-unit structure is a mobile-decontamination-unit structure that contains a plurality of changing rooms and decontamination showers; and

optionally, a support unit structure that contains an electrical generator, a water storage tank, waste storage, and replacement clothing.

23. The system of claim 21, which comprises:

seven mobile-unit structures that are arranged in parallel relationship to one another, wherein each mobile-unit structure is a mobile-monitoring-unit structure containing a plurality of automatic whole body personnel contamination monitors;

two mobile-unit structures that are arranged at right angles to the seven parallel mobile-monitoring-unit structures, wherein each mobile-unit structure is a mobile-decontamination-unit structure that contains a plurality of changing rooms and decontamination showers; and

two support unit structures that each contain an electrical generator, a water storage tank, waste storage, and replacement clothing.

24. The system of claim 23, which further comprises one or more mock-up unit structures that contain means for training individuals in the operation of the automatic whole body personnel contamination monitors, said means constituting mock-ups of automatic personnel monitors designed to teach users how to properly position themselves within these monitors.

28. A method for monitoring and/or decontaminating individuals exposed to radioactive material contamination, the method comprising:

providing the system of claim 22;

arranging for potentially contaminated individuals to enter the intermodal container of one of the mobile-monitoring-unit structures at its entrance, to proceed along one side of the container until they reach an available monitor, and to step inside the available monitor;

checking each potentially contaminated individual for radioactive material contamination;

arranging for each contaminated individual to exit the intermodal container through its contaminated exit, to walk through the quarantine area, and then to enter the intermodal container of the mobile-decontamination-unit structure at its entrance, and once inside, to enter a changing room where the individual will remove contaminated clothing, to enter a decontamination shower where the individual will shower, and then to re-enter the changing room where the individual will dress in clean uncontaminated clothing, and then to exit the container through its decontaminated exit; and

arranging for each non-contaminated individual to exit the container by walking toward its clean exit.

29. A method for monitoring and/or decontaminating individuals exposed to radioactive material contamination, the method comprising:

providing the system of claim 23;

arranging for potentially contaminated individuals to enter the intermodal container of one of the mobile-monitoring-unit structures at the entrance, to proceed along one side of the container until they reach an available monitor, and to step inside the available monitor;

checking each potentially contaminated individual for radioactive material contamination;

arranging for each contaminated individual to exit the intermodal container through its contaminated exit, to enter the intermodal container of one of the mobile-decontamination-unit structures, and once inside, to enter a changing room where the individual will remove contaminated clothing, to enter a decontamination shower where the individual will shower, and then to re-enter the changing room where the individual will dress in clean uncontaminated clothing, and then to exit the container through its decontaminated exit; and

arranging for each non-contaminated individual to exit the container by walking toward its clean exit.

30. A method for monitoring and/or decontaminating individuals exposed to radioactive material contamination, the method comprising:

providing the system of claim 24;

arranging for potentially contaminated individuals to enter one of the mock-up unit structures where each individual will receive mock-up training on how to operate the automatic whole body personnel contamination monitors;

arranging for trained potentially contaminated individuals to enter the intermodal container of one of the mobile-monitoring-unit structures at its entrance, to proceed along one side of the container until they reach an available monitor, and to step inside the available monitor;

checking each potentially contaminated individual for radioactive material contamination;

arranging for each contaminated individual to exit the intermodal container through its contaminated exit, to enter the intermodal container of one of the mobile-decontamination-unit structures, and once inside, to enter a changing room where the individual will remove contaminated clothing, to enter a decontamination shower where the individual will shower, and then to re-enter the changing room where the individual will dress in clean uncontaminated clothing, and then to exit the container through its decontaminated exit; and

arranging for each non-contaminated individual to exit the container by walking toward its clean exit.

25. A method of using automatic whole body personnel contamination monitors and/or means for decontaminating individuals exposed to radioactive material contamination, the method comprising using the monitors and/or decontamination means in mobile-unit structures dedicated to responding to radiological emergency situations.