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MODULE 2UNIT 7

Radiological & Nuclear

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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.

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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.

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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.

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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.

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Introduction

• Electrons• Protons• Neutrons• Electrical Charge

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Introduction (cont.)

• Nuclear Detonation• Isotopes• Fission• Fusion

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Terms

• RadiationNon-ionizingIonizing

• RadioactivityDecayHalf-life

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Types of Nuclear Radiation

• Alpha• Beta• Gamma & X-ray• Neutron

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Alpha

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Beta

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Gamma & X-ray

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Neutron

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

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Nuclear Explosive Device vs. Explosive Radioactive

Dispersion Device (RDD)

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Radiation Exposure

• Time• Distance• Shielding

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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.

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Unit 7 Review Quiz