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Radiofrequency-electromagnetic field exposures in kindergarten children.

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Bhatt CR, Redmayne M, Billah B, Abramson MJ, Benke G. · 2016

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Kindergarten children face unavoidable wireless radiation exposure up to 179 mV/m, with environmental levels exceeding personal exposure by over 100%.

Plain English Summary

Summary written for general audiences

Australian researchers measured radiofrequency electromagnetic field (RF-EMF) exposure levels in kindergarten children from cell towers, Wi-Fi, and other wireless sources. They found that environmental exposure levels in kindergarten settings were significantly higher than the personal exposure levels children experienced, with cell tower signals being the dominant source of exposure at levels up to 179 mV/m.

Why This Matters

This study provides crucial baseline data on RF-EMF exposure levels in early childhood educational settings, documenting that kindergarten children face measurable wireless radiation exposure primarily from cell tower infrastructure rather than personal devices. The finding that environmental exposures exceeded personal exposures by more than double highlights how our wireless infrastructure creates unavoidable ambient exposure, particularly concerning for developing children who spend significant time in these environments. What makes this research particularly valuable is its comprehensive measurement across 16 frequency bands, revealing that GSM 900 MHz cell tower downlinks contribute the highest exposure levels at 82 mV/m in the environment and 50 mV/m for personal exposure. While these levels fall below current safety guidelines, the science demonstrates that children's developing nervous systems may be more vulnerable to RF-EMF effects, making exposure documentation in educational settings essential for informed public health policy.

Exposure Details

Electric Field
0.045, 0.05, 0.082 V/m
Source/Device
900 MHz
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

The aim of this study was to assess environmental and personal radiofrequency-electromagnetic field (RF-EMF) exposures in kindergarten children.

Ten children and 20 kindergartens in Melbourne, Australia participated in personal and environmental...

The median environmental exposures were: 179 mV/m (total all bands), 123 mV/m (total mobile phone ba...

Cite This Study
Bhatt CR, Redmayne M, Billah B, Abramson MJ, Benke G. (2016). Radiofrequency-electromagnetic field exposures in kindergarten children. J Expo Sci Environ Epidemiol. 2016 Oct 19. doi: 10.1038/jes.2016.55.
Show BibTeX
@article{cr_2016_radiofrequencyelectromagnetic_field_exposures_in_856,
  author = {Bhatt CR and Redmayne M and Billah B and Abramson MJ and Benke G.},
  title = {Radiofrequency-electromagnetic field exposures in kindergarten children.},
  year = {2016},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/27759027/},
}
PubMed: 27759027

Cited By (40 papers)

Quick Questions About This Study

Australian research found that cell towers create the highest EMF exposure levels in kindergartens, with signals reaching up to 179 mV/m. These environmental exposure levels significantly exceeded the personal EMF exposure that children experienced from their own devices.
A 2016 study measured Wi-Fi exposure in kindergartens at median levels of 16 mV/m environmental and 9 mV/m personal exposure. While Wi-Fi contributed to overall EMF exposure, cell tower signals were the dominant source of radiofrequency radiation.
Research in kindergartens found that environmental EMF exposure levels at school significantly exceeded personal exposure levels. Cell towers created the highest exposure at 123 mV/m, suggesting location-based sources can dominate over personal devices.
Australian researchers measured total EMF exposure in kindergartens at median levels of 179 mV/m environmental and 81 mV/m personal. Cell tower downlink signals contributed the most exposure at 123 mV/m, while Wi-Fi levels reached 16 mV/m.
A 2016 study documented measurable radiofrequency exposure in kindergartens from multiple wireless sources including cell towers and Wi-Fi. Environmental exposure levels significantly exceeded personal device exposure, with cell towers being the primary source of EMF radiation.