What are guidelines based on?

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What are guidelines based on?

18/04/2012

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An important point to make is that a guideline limit is not a precise delineation between safety and hazard. There is no one level above which exposures become hazardous to health; instead, the potential risk to human health gradually increases with higher exposure levels. Guidelines indicate that, below a given threshold, electromagnetic field exposure is safe according to scientific knowledge. However, it does not automatically follow that, above the given limit, exposure is harmful.Nevertheless, to be able to set limits on exposure, scientific studies need to identify the threshold level at which first health effects become apparent. As humans cannot be used for experiments, guidelines critically rely on animal studies. Subtle behavioural changes in animals at low levels often precede more drastic changes in health at higher levels. Abnormal behaviour is a very sensitive indicator of a biological response and has been selected as the lowest observable adverse health effect. Guidelines recommend the prevention of electromagnetic field exposure levels, at which behavioural changes become noticeable.This threshold level for behaviour is not equal to the guideline limit. ICNIRP applies a safety factor of 10 to derive occupational exposure limits, and a factor of 50 to obtain the guideline value for the general public. Therefore, for example, in the radiofrequency and microwave frequency ranges, the maximum levels you might experience in the environment or in your home are at least 50 times lower than the threshold level at which first behavioural changes in animals become apparent.

Table of contents

2023 Chinese Electromagnetic Shielding Protective Clothing (radiation suit radiation maternity dress) Physical Store Quality Sampling Assessment(05/02/2023)
Recently, for the suit of electromagnetic radiation of Chinese mainland (known locally as radiation suits, or radiation maternity), ESMMC conducted a field shop unannounced visits, sampling activities. ESMMC sampled the product storage, and entrusted with maintaining long-term relationships globally recognized laboratories for product quality assessment. This is results of the evaluation.
Chinese domestic civil electromagnetic radiation protective clothing brands comprehensive evaluation(06/02/2020)
Evaluation results are translated into scores (PETS), each critical point to 20pets out, the following are survey results, press out successively in the order presented
2019 Report on Functional Comparison Test of Radiation-proof Clothes for Pregnant Women(27/02/2019)
he rise of technology allows us to enjoy unexpected life experience. However, electromagnetic radiation brought by various electronic and electrical products has become a new concern. According to the ESMMC survey, more than 90% of women will purchase radiation-proof clothes when preparing themselves for pregnancy in response to the increasingly complex environment exposed to electromagnetic radiation.
Scientific Radiation Protection, Care for the Future, ESMMC Comparative Test Report on Radiation Protection Maternity Wear and Top Ten Radiation Protection Wear(01/08/2018)
Radiation protection maternity wear of unique materials and reasonable design can adapt to physiological changes of pregnant women and shield them from radiation, thus gaining great attention among pregnant women. Brands of radiation protection clothing such as U+ (Youjia) and JOYNCLEON have become the hot topic of conversations among expectant mothers.
Questionnaire survey on the consumers' experience of radiation maternity dress in 2016(18/03/2016)
The questionnaire aims to the pregnant women in 71 hospitals from Beijing, Shanghai, Guangzhou and other cities. A total of 6000 questionnaires were distributed including 3652 questionnaires acquired and 3541 effective questionnaire
ESMMC announce:Asia Pacific Civil electromagnetic shielding clothing sampling assessment( 2014)(08/01/2015)
ESMMC: Spin Transport and Magnetization Dynamics in Metals-Based Systems(10/02/2014)
Spin-related effects in metals and in ferromagnetic heterostructures are generally robust and observable at room temperature.
ESMMC: Magnetic Nanostructures: Materials and Phenomena(26/01/2014)
Reduced dimensionality, confinement, and reduced scale often lead to magnetic structures and spin behavior that is markedly different from that of the bulk.
WHO：《the health risks associated with mobile phones and their base stations》(14/01/2014)
the health risks associated with mobile phones and their base stations
ESMMC 2014 Annual Meeting will be Held in Paris, FR(02/01/2014)
The 2014 Annual Meeting of the Electromagnetic Shielding Technical Steering Committee (ESMMC) will be held in Paris FR, bringing together experts across a wide range of fields to present new developments in electrostatics shield.

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