Evaluating and Managing Occupational Exposures to EMF · Evaluating and Managing Occupational...

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Evaluating and Managing Occupational Exposures to EMF

A draft WHO / NIOSH / ILO document

E. van Deventer

Evaluating and Managing Occupational Exposures to EMF

A draft WHO / NIOSH / ILO document

E. van Deventer

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� Established in 1996

� To assess health and environmental effects of exposure to electromagnetic fields in the frequency range from 0 to 300 GHz

� A multinational, multidisciplinary effort to create and disseminate information appropriate to human health risk assessment for EMF

� Coordinated by WHO

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StructureStructure

ResearchCoordinating

Committee

ResearchCoordinating

Committee

International

Advisory Committee

International

Advisory Committee

EMF ProjectSecretariat

Standards

Harmonization Committee

Standards

Harmonization Committee

International Organizations

Collaborating

Institutions

Collaborating

InstitutionsNational

Authorities

NationalAuthorities

��

CollaborationCollaboration

��

EMF: An environmental risk?EMF: An environmental risk?

Science

Risk Assessment

Policies

Risk Management

Public Concern

Risk Perception

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EMF Management ProgrammesEMF Management Programmes

• For the public • For workers

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ScopeScope

� To provide the outline of a practical management programme to protect workers from EMF at all frequencies (0-300 GHz)

� Level:

– Practical and simple (for non-specialists)

– Refer to other documents for more details

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AudienceAudience

� Target audience:

– Employers

– Occupational hygienists

– EMF consultant

– Workers and trade unions

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Topics for considerationTopics for consideration

1. Introduction

2. What are EMF?

3. Sources of exposure

4. Health effects

5. Standards and guidelines

6. Exposure measurements

7. Exposure controls

8. EMF occupational management plans

� References

� Appendices

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1. Introduction

• Motivation (EC Directive, WHO's Global Plan of Action, …)

• Aims

• Objectives

• Audience

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1. Introduction

2. What are EMF?

• Static fields, ELF fields, RF fields

• Physical properties and how EMF interacts with body

J (A/m2)

SAR (W/kg) …

P (W/m2)

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1. Introduction

2. What are EMF?

3. Sources of exposure to workers

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1. Introduction

2. What are EMF?

3. Sources of exposure to workers• Review of workplace sources (freq., exposures, results from

good surveys, ..)

• Exposures to workers under normal and extreme exposure conditions

• References to more focused documents

• Typical vs. comprehensive?

��

1. Introduction

2. What are EMF?

4. Health effects

• Brief review, summarizing existing WHO and national reviews

• Simple language, covering the EMF frequency range

��

1. Introduction

2. What are EMF?

4. Health effects

5. Standards and Guidelines• ICNIRP, IEEE exposure guidelines

• CENELEC, IEEE and other measurement standards (basis for compliance)

• Any other standards?

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• Static, ELF, RF fields

• Instruments, procedures (purpose-dependent)

��

• Instruments, procedures (purpose-dependent)

• Types of exposure assessment (walk-through monitoring, source survey, spot measurement surveys, personal

monitoring, …)

��

• Engineering controls (prevent or contain exposures)

• Administrative controls (control exposures)

• Personal protective equipment (devise barriers)

• Controlled areas ?

• Other controls?

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8. EMF occupational management plan

– General obligations and duties (responsibilities, authorities and an administrative plan)

– Exposure assessment

– Exposure controls

– Medical surveillance (normal and abnormal conditions)

– Training

– Plan review

– Flowchart …?

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� Appendices

– Examples of radiation occupational programmes in different countries (e.g. …. ?? )

– EC Directive

– Others ??

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Open questionsOpen questions

� Definition of worker

� Subpopulations (pregnant women, children)

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Open questionsOpen questions

� Format

– A stand-alone document

– An ILO Occupational Safety and Health series document

� �� !�"��#!�$� %! �&��%�"�

��#�"��$�"��

� Design

– Need illustrations … please

� Comments?

�'��(� %)�&�*!�%

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1. Introduction

2. What are EMF?

3. Sources of exposure

4. Health effects

5. Standards and guidelines

8. EMF occupational management plans

• Appendices

• References

• Typical vs. comprehensive?

• Anything else would be useful?

• Any other standards?

• Controlled areas ?

• Other controls?

• Flowchart …?

• Subpopulations (pregnant workers, children,. ..)

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DefinitionsDefinitions

– Occupationally exposed population consists of adults exposed under controlled conditions who should be trained to be aware of potential risks and to take appropriate precautions (ICNIRP)

or– Occupationally exposed population consists of individuals experiencing EMF

exposure in the course of performing their work

– Occupational exposure is limited to the duration of the working day and the working lifetime

or … ???

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