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Louisiana State University Radiation Safety Office

Louisiana State University Radiation Safety Office. Module 6 Exposure Control and Personnel Monitoring. Keep Exposure A s L ow A s R easonably A chievable. What is a Personnel Monitoring Program?.

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Louisiana State University Radiation Safety Office

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  1. Louisiana State UniversityRadiation Safety Office Module 6 Exposure Control and Personnel Monitoring

  2. Keep Exposure As Low As Reasonably Achievable

  3. What is a Personnel Monitoring Program? A systematic process for monitoring, recording, evaluating, and reporting the radiation doses received by occupationally exposed individuals

  4. Purpose of Personnel Monitoring • To ensure compliance with established dose limits • To keep radiation doses as low as reasonably achievable (ALARA)

  5. Body Part Quantity Limit Adult (WB) TEDE 5.0 rem Minor (WB) TEDE 0.5 rem Occupational Embryo/Fetus Hd+HT,50 0.5 rem Eye Heye 15 rem Extremities Hs 50 rem Individual Organs Hd+HT,50 50 rem Public General Public TEDE 0.1 rem Dose Limits LARPD Chapter 4 Subchapter B

  6. Declared Pregnancy • All female radiation workers should be informed of their right to declare a pregnancy in writing and receive a lower dose limit • The 0.5 rem limit on the dose to the embryo/fetus is in force only ifthe pregnancy is declared, in writing, to the Radiation Safety Officer. • Declaration of a pregnancy is completely voluntary

  7. Monitoring During a Declared Pregnancy • A declared pregnant woman should receive instruction concerning the risks to the embryo/fetus from radiation exposure. • A declared pregnant woman should be placed on the radiation dosimeter program.

  8. Monitoring Criteria • Any occupationally exposed individual who is likely to receive a dose in excess of 10% of any applicable limit • Any occupationally exposed individual who is likely to receive an intake of radioactive material in excess of 10% of the annual limit on intake (ALI) • Any person entering a high radiation area or very high radiation area

  9. Wearing Radiation Badges • In general, whole body badges should be worn between the hips and shoulders outside of any clothing with the window facing outward on the portion of the body nearest the radiation source • Ring badges should be worn on the workers dominant hand

  10. Moonlighting • Individuals who incur additional radiation exposure from off-duty employment must provide records of any doses received to the Radiation Safety Office.

  11. Why are some radiation workers not badged? • The radiation emitted by some isotopes is not measured with radiation badges. For example H-3 and C-14 are weak beta emitters, and cannot be detected by whole body or ring badges

  12. Annual Dose Reports • Each individual that is provided dosimetry is provided with an annual report of their radiation exposure. • If you want a copy of your radiation exposure, call the Radiation Safety Office and make your request.

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