Radiation Protection

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Across
  1. 1. A type of gamma spectroscopy analysis representing an accurate determination of radionuclides present.
  2. 3. 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.
  3. 6. The smallest quantity of radioactivity that could be distinguished from the blank under specified conditions.
  4. 7. An area designated to minimize exposure to personnel where significant exposure savings may be realized.
  5. 8. A conspicuous obstacle that blocks or is intended to block passage.
  6. 11. Radioactivity that enters the body through the respiratory tract, the gastrointestinal tract, or the skin.
  7. 12. A card allowing release of an individual from the RCA, but not from the protected area, who cannot clear an automated personnel monitor.
  8. 13. A qualitative contamination survey performed by wiping a large area and monitoring the survey media with a frisker survey instrument.
  9. 14. A general term used to denote air samples taken over a short time span to determine peak air concentrations.
  10. 22. 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.
  11. 23. That part of the body including the head, chest, back, gonads, arms above the elbows, and legs above the knees.
  12. 25. 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. DACs are listed in 10CFR20, Appendix A, Table 1.
  13. 27. Hand, elbow, arm below the elbow, foot, knee, or leg below the knee.
  14. 29. 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.
  15. 30. An infrequent exposure to radiation, separate from and in addition to, the annual dose limits.
  16. 32. Any work item added to the schedule after the scope for the Work Week has been frozen (T-2).
  17. 34. Dose rate measurement taken by placing the detector housing on the surface being measured.
  18. 35. An area in which licensed radioactive material in an amount exceeding 10 times the quantity specified in Appendix C, 10CFR20, is used or stored.
  19. 36. A permit that controls work tasks that have minimal radiological risk.
  20. 38. 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.
  21. 39. An established line beyond which exposure to radiation and/or radioactive material would occur
  22. 40. A device for real-time monitoring of airborne radioactivity concentrations designed to alert workers of significant increases in airborne radioactivity.
  23. 41. An area where the majority of the area has removable surface contamination equal to or greater than100,000 dpm/100cm² beta-gamma.
Down
  1. 2. Those areas controlled by Radiation Protection via radiological postings that are not defined as part of the RCA.
  2. 4. The quantity of material that enters the body fluids from the respiratory tract, the gastrointestinal tract, or through the skin.
  3. 5. A conspicuous obstacle, such as a firmly secured rope or ribbon that completely surrounds an area and obstructs inadvertent entry.
  4. 9. 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.
  5. 10. One type of continuous coverage; using telemetry
  6. 15. Any area to which access is controlled for the protection of individuals from exposure to radiation and radioactive materials.
  7. 16. 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.
  8. 17. 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
  9. 18. An ALARA evaluation performed to determine whether or not respirators should be used.
  10. 19. Individual monitoring devices issued to and worn by a single individual for assessment of dose equivalent
  11. 20. To limit access to an area or equipment by means of erecting a barrier that prevents inadvertent access.
  12. 21. Whole body dose equivalent at a tissue depth of 1 cm (1,000 mg/cm²).
  13. 24. A card allowing conditional release of an individual from plant site who cannot clear an automated personnel monitor
  14. 26. A calculated time an individual may stay in a work area of a given dose rate without exceeding a predetermined dose.
  15. 28. 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.
  16. 31. An examination of the structure of materials by non destructive methods, utilizing ionizing radiation.
  17. 33. A check (often qualitative) to determine that an instrument is operational and capable of performing its intended function.
  18. 37. A pre-determined, site-specific, observable threshold for a plant condition that places the plant in an emergency classification.