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EPR-Public Communications L-02

EPR-Public Communications L-02. Communicating Basics of Radiation. Simple. Challenge. Communicating with the public about radiation is challenging; Communicate in plain language; You will communicate better with people if you can think as they are thinking. Sources.

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EPR-Public Communications L-02

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  1. EPR-Public CommunicationsL-02 Communicating Basics of Radiation

  2. Simple

  3. Challenge • Communicating with the public about radiation is challenging; • Communicate in plain language; • You will communicate better with people if you can think as they are thinking.

  4. Sources • Radiation is naturally present in the environment. This is called natural background radiation; • People are exposed to natural radiation from outer space, the air, food and drink; • People may also be exposed to artificial radiation from medical treatment, consumer products and occupational exposure; • Often, medical exposures from diagnosis and in treatment account for the largest dose from artificial sources. Cosmic radiation and dose rates of exposure

  5. Types of radiation

  6. Types of radiation

  7. Inadvertent ingestion Exposure pathways

  8. Common exposure pathways for a small radioactive source

  9. Quantities and units

  10. Effects of radiation • Deterministic: short term, occurring early after exposure; • Stochastic: long term, occurring years later.

  11. Recognizing a radiation source Trefoil radiation warning symbol New standard ionizing radiation warning supplementary symbol

  12. Radiation protection • Time • Distance • Shielding

  13. Am I safe? In addition to dose and dose rate quantities the following questions must be answered: • What was measured or reported? • How was the person exposed (exposure scenario)? • Who was exposed?

  14. Potential health effects • Death; • Severe health effects (severe deterministic effects): • Severe burns; • Other non-fatal effects. • Health effects to foetus; • Cancer risk.

  15. Health effects from being near an unshielded radioactive source

  16. Health effects from carrying an unshielded radioactive source

  17. Health effects from being near an unshielded radioactive source

  18. Let’s practice • Some questions…

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