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Understanding Radiological and Nuclear Concepts: Safety, Measurement, and Protection

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sofia
17 diapositives · 313 Views · Jul 13, 2014

This unit focuses on key concepts in radioactivity and nuclear science, providing students with the knowledge needed to safely measure and manage radiation. Topics include the basic properties of atomic structure, the differences between ionizing and non-ionizing radiation, types of nuclear radiation (alpha, beta, gamma, and neutron), and essential protection measures against radiation exposure. Students will understand the significance of contamination versus exposure, investigate alarm levels for radiation detection, and review state-provided guidelines for protective actions.

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Understanding Radiological and Nuclear Concepts: Safety, Measurement, and Protection
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  1. MODULE 2UNIT 7 Radiological & Nuclear

  2. Unit 7 Learning Objectives • At the completion of this unit the student will describe the basic terms associated with radioactivity and be able to describe how to safely measure radioactivity for safe operation.

  3. Student Performance Objectives • Describe the physical properties of atomic structure. • Describe the difference in non- ionizing and ionizing radiation. • Describe the emission of an atomic particle as the cause for ionizing radiation.

  4. Student Performance Objectives • Describe the four types of nuclear radiation. • Describe the basic difference between nuclear and chemical explosions. • Describe the 3 general protection measures against radiation. • Describe how roentgen converts to other nuclear measurements.

  5. Student Performance Objectives • Describe the difference between contamination and exposure. • Describe the investigatory alarm levels for radiation detection. • Describe the turn back alarm level for radiation detection.

  6. Introduction • Electrons • Protons • Neutrons • Electrical Charge

  7. Introduction (cont.) • Nuclear Detonation • Isotopes • Fission • Fusion

  8. Terms • Radiation • Non-ionizing • Ionizing • Radioactivity • Decay • Half-life

  9. Types of Nuclear Radiation • Alpha • Beta • Gamma & X-ray • Neutron

  10. Alpha

  11. Beta

  12. Gamma & X-ray

  13. Neutron • Is a result of a Nuclear reaction • Does Not naturally occur in nature.

  14. Nuclear Explosive Device vs. Explosive Radioactive Dispersion Device (RDD)

  15. Radiation Exposure • Time • Distance • Shielding

  16. Protective Action Guidelines The State of Ohio has adopted Protective Action Guidelines and they are presented in the student Manual. It is recommended that you review your Local SOP to ensure that you are following the appropriate guidelines as set forth by your agency.

  17. Unit 7 Review Quiz