Radioactive Materials Regulations Quiz
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Questions and Answers

What does the acronym ALARA stand for in the context of NRC regulations?

  • Approximate Level of Radiation Avoidance
  • Average Limitation of Annual Radiation Absorption
  • Always Low Annual Radiation Allowance
  • As Low as Reasonably Achievable (correct)

    • Under NRC regulations, what do occupationally exposed workers and licensees have to do in relation to radiation exposure?

  • Minimize radiation exposure as much as possible (correct)
  • Ignore radiation exposure limits for economic gains
  • Maximize radiation exposure to improve work efficiency
  • Encourage high radiation exposure for occupational benefits

    • What is the Investigational Level in the NUREG-1556 model program based on?

  • 75% of occupational exposure limit
  • 25% of occupational exposure limit
  • 50% of occupational exposure limit
  • 10% of occupational exposure limit (correct)

    • What should a Radiation Safety Officer (RSO) do if an employee exceeds the Investigational Level?

    <p>Work with the employee to reduce exposure</p> Signup and view all the answers

    According to NRC regulations, what must a licensee develop and implement to ensure compliance?

    <p>Radiation protection program</p> Signup and view all the answers

    What must be done if the dose to an embryo/fetus exceeds certain levels during pregnancy according to NRC regulations?

    <p>The dose limit should be reduced for the remainder of pregnancy</p> Signup and view all the answers

    What do occupationally exposed workers need if they are likely to receive more than 10% of annual limits?

    <p>Personal radiation monitoring devices</p> Signup and view all the answers

    'Unrestricted area' in NRC regulations refers to an area that is:

    <p>Where access is not limited and not controlled by licensee</p> Signup and view all the answers

    Why must licensees retain records of exposures for occupationally exposed individuals who have been monitored?

    <p>To evaluate cumulative occupational radiation dose</p> Signup and view all the answers

    Why should surveys be conducted as reasonable according to NRC regulations?

    <p>To determine radiation levels and evaluate potential hazards</p> Signup and view all the answers

    What information must be included in survey and calibration records retained for 3 years?

    <p>Date of survey, results, instrument used, and name of individual who performed the survey</p> Signup and view all the answers

    In a VERY HIGH RADIATION AREA, an individual could receive an absorbed radiation dose exceeding how many rads in 1 hour at 1 meter from the source?

    <p>500 rads</p> Signup and view all the answers

    Which type of area is defined as one where radiation levels could result in an individual receiving a dose equivalent exceeding 0.005 rem in 1 hour at 30 cm from the source?

    <p>RADIATION area</p> Signup and view all the answers

    When should monitoring be performed for packages received during regular working hours?

    <p>Within 3 hours</p> Signup and view all the answers

    What must be done prior to shipping packages containing radioactive materials?

    <p>Perform wipe tests and attach an appropriate radioactive label</p> Signup and view all the answers

    How long should package surveys be retained?

    <p>3 years</p> Signup and view all the answers

    What should be done if removable surface contamination exceeds 2 dpm/cm2 or survey meter reading exceeds 200 mrem/h from any point on the package surface?

    <p>Notify final delivery carrier and NRC</p> Signup and view all the answers

    What is required for radioactive materials in a room for less than 8 hours with a person present at all times to prevent exposure beyond limits?

    <p>$20.1903 Caution sign only</p> Signup and view all the answers

    'Caution: RADIOACTIVE MATERIAL' areas should be posted for what condition?

    <p>&gt;10x quantity specified in regulations</p> Signup and view all the answers

    'Geiger-Muller survey' monitoring is required only for packages containing quantities of radioactive material greater than or equal to which type?

    <p>$20.1902 Type I quantities</p> Signup and view all the answers

    What is the specific gravity requirement for a material to be considered radioactive for shipping purposes as per DOT regulations?

    <p>Greater than 0.002 Ci/g</p> Signup and view all the answers

    What procedure is required to be done to a package before shipping radioactive materials according to the text?

    <p>Check for removable contamination with a wipe test</p> Signup and view all the answers

    What must be indicated on the 'RADIOACTIVE' label to be attached to a package with radioactive materials before shipping?

    <p>Transport Index</p> Signup and view all the answers

    What is the maximum permissible surface level of removable contamination on packaging as specified by DOT regulations?

    <p>2 dpm/cm*</p> Signup and view all the answers

    Why is it necessary to adhere to DOT regulations when shipping radioactive materials?

    <p>To ensure compliance with federal laws</p> Signup and view all the answers

    Which of the following is NOT part of the packaging procedure for shipping radioactive materials?

    <p>Notifying local authorities</p> Signup and view all the answers

    What is the allowable dpm (disintegrations per minute) limit for a wiped surface area of 300 cm* as per DOT regulations?

    <p>6,600 dpm</p> Signup and view all the answers

    What must be done to a package before shipping radioactive materials according to DOT regulations?

    <p>Conduct a wipe test for surface contamination</p> Signup and view all the answers

    What is the maximum allowable surface level of removable contamination on packaging according to DOT regulations?

    <p>2 dpm/cm²</p> Signup and view all the answers

    In what instance are return of radioactive materials and their residues subject to DOT regulations?

    <p>When returned to a radiopharmacy or manufacturer</p> Signup and view all the answers

    What is the specific gravity requirement for a material to be considered radioactive for shipping purposes as per DOT regulations?

    <p>Greater than 0.002 Ci/g</p> Signup and view all the answers

    What must be indicated on the 'RADIOACTIVE' label attached to a package with radioactive materials before shipping?

    <p>Transport Index</p> Signup and view all the answers

    How should levels of removable contamination on packaging be according to regulatory requirements?

    <p>As low as possible</p> Signup and view all the answers

    What is required to be done if surface contamination exceeds 2 dpm/cm² as per DOT regulations?

    <p>Decontaminate the package</p> Signup and view all the answers

    Why should surveys be conducted on packages before shipping radioactive materials?

    <p>To check for surface contamination</p> Signup and view all the answers

    What must be prepared when shipping radioactive materials according to DOT regulations?

    <p>Shipping papers</p> Signup and view all the answers

    What is the significance of adhering to DOT regulations when shipping radioactive materials?

    <p>To comply with legal requirements</p> Signup and view all the answers

    What does the acronym ALARA stand for in the context of NRC regulations?

    <p>As Low as Reasonably Achievable</p> Signup and view all the answers

    Why should surveys be conducted as reasonable according to NRC regulations?

    <p>To minimize contamination</p> Signup and view all the answers

    What is the maximum permissible surface level of removable contamination on packaging as specified by DOT regulations?

    <p>$2 , dpm/cm^2$</p> Signup and view all the answers

    What is required for radioactive materials in a room for less than 8 hours with a person present at all times to prevent exposure beyond limits?

    <p>Personal monitoring devices</p> Signup and view all the answers

    'Caution: RADIOACTIVE MATERIAL' areas should be posted for what condition?

    <p>Areas with radiation hazards</p> Signup and view all the answers

    What is the Investigational Level in the NUREG-1556 model program based on?

    <p>$10 %$ of occupational exposure limit</p> Signup and view all the answers

    What must be included in survey and calibration records retained for 3 years according to NRC regulations?

    <p>Date of survey, results, instrument used, and name of individual who performed the survey</p> Signup and view all the answers

    What is the purpose of posting a 'CAUTION: HIGH RADIATION AREA' sign?

    <p>To alert individuals about high radiation levels in the area</p> Signup and view all the answers

    Why are wipe tests required on external surfaces of packages labeled with certain radioactive labels?

    <p>To inspect for contamination or damage</p> Signup and view all the answers

    Under what condition is a caution sign not required for radioactive materials in a room?

    <p>If stored for less than 8 hours with continuous monitoring</p> Signup and view all the answers

    What is the significance of retaining records of receipt of radioactive shipments for as long as materials are in possession of the licensee or 3 years after disposal?

    <p>To ensure compliance with regulations</p> Signup and view all the answers

    When should monitoring be performed for packages received outside of regular working hours?

    <p>Within 3 hours of beginning the workday</p> Signup and view all the answers

    'Geiger-Muller survey' monitoring is required only for packages containing quantities of radioactive material greater than or equal to which type?

    <p>Type A quantities</p> Signup and view all the answers

    'CAUTION: RADIATION AREA' signs are posted for areas where radiation levels could result in an individual receiving a dose equivalent exceeding how many rem in 1 hour at 30 cm from the source?

    <p>$0.005$ rem</p> Signup and view all the answers

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