Page 31 - KFSHRC-RSO-Course

iation Safety Officer Course Module 1.5 – Radiation Quantities and Units

PART 1
BASIC KNOWLEDGE

MODULE 1.5
RADIATION QUANTITIES AND UNITS

CONTENTS

OVERVIEW .................................................................................................. 1

LEARNING OBJECTIVES ............................................................................ 1

1. RADIATION AND DOSE MEASUREMENTS ........................................ 2

1.1 Radiometric Quantities ................................................................... 2

1.1.1 Energy 2

1.1.2 Fluence () 2

1.1.3 Exposure (X) 2

1.1.4 Kerma (K) 3

1.1.5 Summary of radiometric quantities 3

1.2 Dosimetric Quantities ..................................................................... 4

1.2.1 Absorbed dose (D) 4

1.2.2 Equivalent Dose (H) 5

1.2.3 Effective Dose (E) 8

1.2.4 Committed Dose 11

1.2.5 Summary of dosimetric quantities 11

SELF-CHECK 1 .......................................................................................... 12

2. OPERATIONAL QUANTITIES............................................................. 13

2.1 For Area Monitoring...................................................................... 14

2.1.1 Ambient dose equivalent 14

2.1.2 Directional dose equivalent 14

2.2 For Individual Monitoring .............................................................. 15

2.2.1 Personal dose equivalent 15

2.3 Operational Dose Limits ............................................................... 15

SELF-CHECK 2 .......................................................................................... 16

KEY POINTS .............................................................................................. 16

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