Radiation Protection

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Across
  1. 2. A conspicuous obstacle, such as a firmly secured rope or ribbon that completely surrounds an area and obstructs inadvertent entry.
  2. 4. A card allowing release of an individual from the RCA, but not from the protected area, who cannot clear an automated personnel monitor.
  3. 6. That part of the body including the head, chest, back, gonads, arms above the elbows, and legs above the knees.
  4. 7. An infrequent exposure to radiation, separate from and in addition to, the annual dose limits.
  5. 10. The sum of the products of the weighting factors applicable to each of the body organs of tissues that are irradiated and the committed dose guarantee to the organs or tissues.
  6. 12. Any identified sealed enclosure (i.e., closed by normal means of closure) such as bags, boxes, crates, or drums designed to hold radioactive material or equipment and prevent the spread of contamination.
  7. 15. curies, energy in MeV, photon yield %
  8. 16. Acronym for RP response during a radioactive spill
  9. 20. To limit access to an area or equipment by means of erecting a barrier that prevents inadvertent access.
  10. 21. A card allowing conditional release of an individual from plant site who cannot clear an automated personnel monitor
  11. 23. Effective Dose Equivalent External
  12. 25. Any area to which access is controlled for the protection of individuals from exposure to radiation and radioactive materials.
  13. 27. _____ and Feed Water system provides dependable, high-quality supply of makeup water to the reactor.
  14. 29. A check (often qualitative) to determine that an instrument is operational and capable of performing its intended function.
  15. 32. Individual monitoring devices issued to and worn by a single individual for assessment of dose equivalent
  16. 33. A person who authorizes entry into primary containment during reactor power operations.
  17. 39. Part of a valve that mates with the body and supports the stem, disk and actuator
  18. 41. The dose received by an individual in the course of employment in which the individual's assigned duties involve exposure to radiation or to radioactive material from licensed sources of radiation.
  19. 45. model of instrument sensitive to beta and alpha radiation; used for personnel
  20. 46. "If the calculated sum of the ___ is greater than or equal to 1.0 then Part 37 applies."
  21. 49. The quantity of material that enters the body fluids from the respiratory tract, the gastrointestinal tract, or through the skin.
  22. 50. A conspicuous obstacle that blocks or is intended to block passage.
  23. 53. Whole body dose equivalent at a tissue depth of 1 cm (1,000 mg/cm²).
  24. 54. Underwater GM detector
  25. 55. Analysis, Design, Development, Implementation, Evaluation
  26. 56. In gamma spec; centerline of the peak
  27. 57. Energy stored in an object
  28. 59. a medium which will stop or effectively attenuate radiation
  29. 62. Region in which if voltage increases there is no increase in pulse height
  30. 65. An area where the majority of the area has removable surface contamination equal to or greater than 100,000 dpm/100cm² beta-gamma.
  31. 67. A general term used to denote air samples taken over a short time span to determine peak air concentrations.
  32. 69. reaction in which the nucleus of an atom splits into two or more smaller nuclei
  33. 70. record that provides evidence of business-related activities
  34. 72. used for large area smears
  35. 74. Scintillation detectors are good at detecting this type of radiation
  36. 75. EDE+CEDE
  37. 76. maximum quantity of hazardous material for which there is specific labeling or packaging exception
  38. 77. System that further reduces activity levels or gaseous waste
  39. 78. An examination of the structure of materials by non destructive methods, utilizing ionizing radiation.
  40. 80. Quantity that relates to the activity levels in which leak testing of a source is not required
Down
  1. 1. Stop, think, act, review
  2. 3. collected, typically on charcoal filters
  3. 5. to "clean up" contamination
  4. 7. Solving for length of right triangles
  5. 8. Neutron ____ occurs when a nuclide decays and ejects a neutron
  6. 9. The sum of the products of the tissue or organ weighting factors from 10CFR20, and the dose to the corresponding body tissues and organs resulting from the exposure to radiation sources external to the body.
  7. 11. Any work item added to the schedule after the scope for the Work Week has been frozen (T-2).
  8. 13. One type of continuous coverage; using telemetry
  9. 14. An evaluation of the radiological conditions and potential hazards incident to the production, use, transfer, release, disposal, or presence of radioactive material or other sources of radiation.
  10. 17. Dose rate measurement taken by placing the detector housing on the surface being measured.
  11. 18. Health effects that occur randomly and for which the probability of the effect occurring, rather than its severity, is assumed to be a linear function of dose without threshold.
  12. 19. Inheritable change produced by the absorption of ionizing radiation
  13. 22. The concentration of a given radionuclide in air which, if breathed by the reference man for a working year of 2,000 hours under conditions of light work, results in an intake of 1 ALI.
  14. 24. System that maintains reactor water purity to limit chemical and corrosive action
  15. 26. Mid-energy photon interaction
  16. 28. Hand, elbow, arm below the elbow, foot, knee, or leg below the knee.
  17. 30. Same number of protons
  18. 31. 1/12th the mass of an atom of Carbon-12
  19. 34. The smallest quantity of radioactivity that could be distinguished from the blank under specified conditions.
  20. 35. A calculated time an individual may work in an area of a given dose rate without exceeding a predetermined dose.
  21. 36. An established line beyond which exposure to radiation and/or radioactive material would occur
  22. 37. A qualitative contamination survey performed by wiping a large area and monitoring the survey media with a frisker survey instrument.
  23. 38. A type of gamma spectroscopy analysis representing an accurate determination of radionuclides present.
  24. 40. Minimum cubic foot required for alpha air sample
  25. 42. A device for real-time monitoring of airborne radioactivity concentrations designed to alert workers of significant increases in airborne radioactivity.
  26. 43. An area designated to minimize exposure to personnel where significant exposure savings may be realized.
  27. 44. __ work authority is the right and responsibility of all employees at CNS.
  28. 46. A permit that controls work tasks that have minimal radiological risk.
  29. 47. In EDEX; weighting factor is .10 for this body location
  30. 48. In semi-conductors; the ____ band is the lower band of allowed states.
  31. 51. An area within the restricted area posted in accordance with procedures for the purpose of protecting individuals against undue risks from exposure to radiation and radioactive materials.
  32. 52. Significant Operating Experience Report
  33. 55. annual limit on intake
  34. 58. type of contamination monitor sensitive only to gamma radiation; used for items
  35. 60. Regulates the transportation of radioactive materials
  36. 61. Determination of the kind, quantity, concentration, and/or location of radioactive material in the human body via excreta removed from the body (i.e., in vitro bioassay) or counting equipment calibrated for external monitoring of internal radioisotope concentrations (i.e., in vivo bioassay
  37. 62. Dry Cask Storage
  38. 63. As low as reasonably achievable
  39. 64. Minimizes IGSCC
  40. 66. Radioactivity that enters the body through the respiratory tract, the gastrointestinal tract, or the skin.
  41. 68. An area in which licensed radioactive material in an amount exceeding 10 times the quantity specified in Appendix C, 10CFR20, is used or stored.
  42. 71. "Risky" attitude; not taking extra steps to obtain more information
  43. 73. Those areas controlled by Radiation Protection via radiological postings that are not defined as part of the RCA.
  44. 79. System used for emergency core cooling for small and intermediate line breaks