Standard
Track updates
AS/NZS 2243.4:2018
[Current]Safety in laboratories, Part 4: Ionizing radiations
This Standard sets out requirements for the protection of people, non-human biota and the environment from harmful effects of ionizing radiation used in or as a result of any use within or in connection with a laboratory.
Published: 29/06/2018
Pages: 78
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Application
1.3 Referenced documents
1.4 Definitions
2 Hazards and their control
2.1 Hazards from ionizing radiation
2.1.1 General
2.1.2 External hazards
2.1.3 Internal hazards
2.2 Legislation
2.3 Risk assessment
3 Design requirements for radiation, radioisotope and radiological laboratories
3.1 General
3.2 Planning brief
3.3 Types of hazards
3.4 Design and construction requirements
3.5 Radioisotope laboratory grading
4 Ionizing radiation protection
4.1 General
4.2 Designated radiation area (DRA)
4.2.1 Controlled area
4.2.2 Supervised area
4.3 Radiation warning signs
4.4 Local instructions
4.5 Shielding
4.6 Working in isolation
4.7 Sealed sources and radiation-producing apparatus
4.7.1 General
4.7.2 Enclosed installations
4.7.3 Open installations
4.7.4 Sealed sources
4.7.4.1 Safety measures
4.7.4.2 Labelling
4.7.4.3 Record keeping
4.7.4.4 Test and maintenance
4.7.4.5 Contingency management
4.7.4.6 Storage
4.7.5 X-ray analysis apparatus
4.7.6 Cabinet X-ray machines (other than X-ray analysis equipment)
4.7.7 Particle accelerators
4.8 Unsealed radioactive materials
4.8.1 General
4.8.2 Safe handling
4.8.3 Signage
4.8.4 Record keeping
4.8.5 Additional requirements
4.8.6 Entrances, exits and contamination monitoring
5 Storage and transport
5.1 Storage of radioactive materials
5.2 Transport of radioactive materials
6 Monitoring ionizing radiation
6.1 General
6.2 Members of the public
6.3 Calibration of monitoring instruments
6.4 Personal monitoring
6.5 Radiation dose record
6.6 Area monitoring
6.6.1 External radiation
6.6.2 Surface contamination
6.6.3 Airborne contamination
6.6.4 Induced radioactivity
7 Radiation incidents
7.1 General
7.2 Response procedures
7.2.1 Introduction
7.2.2 Equipment
7.2.3 Reporting
7.2.4 Response procedures for persons exposed during a radiation incident
7.2.5 Response procedures for spillage or loss of a radioactive material
7.2.6 Response procedures for loss of a radioactive material
7.2.7 Response procedures for fire or explosion affecting areas where radioactive materials are kept or used
8 Management of radioactive wastes
8.1 General
8.2 Solid waste
8.3 Liquid waste
8.4 Airborne waste
8.5 Options for the disposal of surplus sealed sources
8.5.1 Surplus sealed sources
8.5.2 Options
Appendix A
A1 General
A2 System of radiological protection
A2.1 Types of exposure situations
A2.2 Categories of exposure
A2.3 Principles of radiological protection
A3 Application of dose limits
A3.1 Recommended dose limits
A3.2 Occupationally exposed workers
A3.3 Members of the public
A3.4 Radiation dose constraints
A3.5 Emergency exposures
Appendix B
B1 General
B2 Representative person
B2.1 General
B2.2 Occupationally exposed worker
B2.3 Non-occupationally exposed worker
B2.4 Members of the public
B3 Surface contamination
B4 External dose rate and occupancy
B5 Internal doses
B5.1 Estimation of dose
B5.2 Annual limit on intake (ALI)
B6 Derived air concentration (DAC)
B6.1 Definition
B6.2 Example
Appendix C
C1 General
C2 The responsible person
C3 Radiation protection adviser (RPA)
C4 Occupationally exposed workers and other persons
C5 Non-occupationally exposed persons in the workplace
C5.1 Pregnant or breastfeeding female workers
C5.2 Young persons
C5.3 Members of the public
Appendix D
D1 Scope
D2 General
D3 Instrument selection
D4 Instrument selection
D5 Personal monitoring
D5.1 General
D5.2 External dose
D5.3 Internal dose
D6 Source monitoring
D7 Workplace monitoring
D7.1 General
D7.2 Radioactive contamination on surfaces
D7.3 Airborne radioactive contamination
D7.4 Radioactive contamination in liquids
D8 Environmental monitoring
Appendix E
E1 Scope
E2 Description
E3 Applications
E4 Wording
Appendix F
F1 Scope
F2 Concepts of radioactive waste management
F3 Disposal of unwanted sealed radioactive sources
F4 Disposal of unsealed solid radioactive waste
F5 Disposal of aqueous liquid waste
F6 Disposal of animals containing radioisotopes
Appendix G
G1 Scope
G2 Referenced documents
G3 Referenced publications
G4 Related documents
Cited references in this standard
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