AS/NZS 1269.3:2005 OCCUPATIONAL NOISE MANAGEMENT - HEARING PROTECTOR PROGRAM
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Care
3.2 Criterion eight-hour equivalent continuous A-weighted sound pressure level, L(crit)Aeq,8h
3.3 Criterion peak sound pressure level, L(crit)peak
3.4 Effective level (of a sound for people wearing hearing protectors) L(eff)
3.5 Maintenance
3.6 Over-protection
3.7 Selection
3.8 Use
4 MANAGEMENT RESPONSIBILITY
5 HEARING PROTECTORS
5.1 General
5.2 Types of hearing protectors
5.2.1 Earmuffs
5.2.2 Earplugs
5.2.3 Ear canal caps
5.2.4 Acoustic helmets
5.2.5 Special types of hearing protectors
6 SELECTION OF HEARING PROTECTORS
6.1 Compliance of hearing protectors
6.1.1 General
6.1.2 Attenuation values
6.1.3 Test reports
6.2 Attenuation requirement
6.2.1 General
6.2.2 Over-protection
6.2.3 Importance of wearing time
6.2.4 Inadequate attenuation
6.2.5 Earplugs and earmuffs worn in combination
6.3 Comfort
6.4 Communication requirements
6.5 Compatibility with job requirements
6.6 Compatibility with the workplace
6.7 Compatibility with personal characteristics
6.7.1 General
6.7.2 Medical factors
7 ISSUE AND FITTING OF HEARING PROTECTORS
7.1 Issue of hearing protectors
7.2 Fitting of hearing protectors
7.2.1 General
7.2.2 Fitting procedure
8 CLEANING AND MAINTENANCE
8.1 General
8.2 Cleaning
8.2.1 General
8.2.2 Re-usable earplugs and ear canal caps
8.2.3 Earmuffs
8.2.4 Electronic/communications equipment
8.3 Storage
8.4 Maintenance
9 INSPECTION FOR DEFECTS
9.1 General
9.2 Inspection schedules
9.3 Inspection considerations
10 HEARING PROTECTOR AREAS
10.1 Identification of excessive noise areas
10.2 Entry into excessive noise areas
10.3 Use of excessively noisy equipment
10.4 Correct use of hearing protectors
11 ENSURING THE CONTINUED EFFECTIVENESS OF THE HEARING PROTECTOR PROGRAM
12 TRAINING IN THE USE OF HEARING PROTECTORS
12.1 General
12.2 The training program
12.2.1 General
12.2.2 Substance
12.2.3 Training methods
13 AUDIOMETRY AND THE PURPOSE OF AUDIOMETRIC TEST RESULTS
APPENDIX A - METHODS OF SELECTING A HEARING PROTECTOR WHEN LAeq,8h EXCEEDS L(crit)Aeq,8h
A1 SCOPE
A2 SELECTION RULES
A2.1 Classification method
A2.2 Octave-band method
A2.3 Other selection procedures
A3 SELECTION METHODS
A3.1 Classification method
A3.2 Octave-band method
APPENDIX B - METHOD FOR SELECTING A HEARING PROTECTOR WHEN Lpeak EXCEEDS L(crit)peak
B1 GENERAL
B2 SELECTION RULES
B2.1 Impulse noise from impacts, small-calibre weapons or tools
B2.2 Impulse noise from large-calibre weapons and blasting
APPENDIX C - HEADBAND CLAMP FORCE COMPARISON
C1 GENERAL
C2 CONSTRUCTION
APPENDIX D - TRAINING PROGRAM FOR THE SELECTION, USE AND MAINTENANCE OF HEARING PROTECTORS
D1 OUTLINE
D2 FORMAT
D3 INSTRUCTIONS TO TRAINEES
D4 GUIDE FOR THE SELECTION, USE AND MAINTENANCE OF HEARING PROTECTORS
D4.1 Brief overview of noise, hearing and program
D4.2 Reasons for wearing hearing protectors
D4.3 Selection of hearing protectors
D4.4 Use and proper fitting of hearing protectors
D4.5 Wear time
D4.6 Maintenance and storage
D4.7 Summary
APPENDIX E - CLASSIFICATION OF HEARING PROTECTORS
APPENDIX F - BIBLIOGRAPHY
