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6. Exposure limit values
Exposure limits based on the tolerable induced current density in the human body for EBF (up to 10 kHz) and on SAR for RF and microwave frequencies (from 10 kHz to 300 GHz) have been laid down at international and European level. Compliance with these values normally protects against accidents caused by excessively strong fields. However, these values still need to be respected, hence the need for field measurements to ensure that they are not exceeded.
When these values must be exceeded for maintenance purposes (proximity of antennas, applicators, radars, etc.), it is essential to provide appropriate means of prevention or procedures to protect personnel.
Below these limit values, i.e. for low field strengths, the results of various experimental studies show no clearly harmful effects of fields on health.
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Exposure limit values
Conclusion
Bibliography
- (1) - ANFR/DR 15-2-1 - . – http://www.anfr.fr .
- (2) - ALLIOT (J.-C.) - Sources de bruit, Compatibilité électromagnétique 1, Collection Technique et Scientifique des Télécommunications....
Standards and norms
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European standardization
- Measuring exposure to radio-frequency electromagnetic fields – field strength in the frequency range between 100 kHz and 1 GHz (classification index C 94-566). - NF EN 61566 - 1998
- Guide pour l'expression de l'incertitude de mesure (indice de classement X07-020). - NF ENV 13005 - 1999
- Norme de base relative à la mesure du DAS relatif...
Regulations
Recommendation 1999/519/EC of the Council of the European Communities of July 12, 1999 on the limitation of exposure of the general public to electromagnetic fields (0 Hz to 300 GHz). Bruxelles 1999/519/CE/12.07.99.
Decree no. 2002-775 of May 3, 2002, implementing article L. 32, 12°, of the French Post and Telecommunications Code, on public exposure limits to electromagnetic fields emitted by equipment...
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Agence nationale des fréquences (ANFR)
http://www.anfr.fr and http://www.cartoradio.fr/
French National Agency for Food, Environmental and Occupational Health and Safety...
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