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Radio Hazard Safety Assessment for Marine Ship Transmitters: Measurements Using a New Data Collection Method and Comparison with ICNIRP and ARPANSA Limits.

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Halgamuge MN. · 2015

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Marine ship transmitters exceeded public safety limits on bridge roofs with EMF levels reaching 3.70 V/m in passenger areas.

Plain English Summary

Summary written for general audiences

Scientists measured radio waves from ship transmitters across three deck levels, taking 528 measurements. They found EMF levels on the bridge roof exceeded safety limits for the general public but stayed within workplace exposure limits, providing crucial data for maritime EMF safety standards.

Why This Matters

This research fills a critical gap in our understanding of EMF exposure in maritime environments, where multiple high-powered transmitters operate simultaneously in confined spaces. The finding that general public safety limits were exceeded on the bridge roof is significant because many commercial vessels carry passengers who aren't trained maritime workers. What makes this particularly concerning is that the measured levels of 2.15-3.70 V/m on the bridge roof are substantial - for comparison, typical cell phone tower emissions at ground level are often much lower. The reality is that maritime vessels represent a unique EMF environment where multiple radio systems operate in close proximity to occupied areas, creating exposure scenarios that current safety guidelines may not adequately address for all users of these vessels.

Exposure Details

Electric Field
0.82–0.86, 2.15–3.70, and 0.47–1.15 V/m
Exposure Duration
40 minutes

Exposure Context

This study used 0.82–0.86, 2.15–3.70, and 0.47–1.15 V/m for electric fields:

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Study Details

We investigated the levels of radio frequency electromagnetic fields (RF EMFs) emitted from marine ship transmitters.

In this study, we recorded the radio frequency (RF) electric field (EF) levels emitted from transmit...

The ICNIRP and the ARPANSA limits for the general public were exceeded on the bridge roof; neverthel...

In this paper, we provide a new data collection model for future surveys, which could be conducted with larger samples to verify our observations. Furthermore, this new method could be useful as a reference for researchers and industry professionals without direct access to the necessary equipment

Cite This Study
Halgamuge MN. (2015). Radio Hazard Safety Assessment for Marine Ship Transmitters: Measurements Using a New Data Collection Method and Comparison with ICNIRP and ARPANSA Limits. Int J Environ Res Public Health. 12(5):5338-5354, 2015.
Show BibTeX
@article{mn._2015_radio_hazard_safety_assessment_1012,
  author = {Halgamuge MN.},
  title = {Radio Hazard Safety Assessment for Marine Ship Transmitters: Measurements Using a New Data Collection Method and Comparison with ICNIRP and ARPANSA Limits.},
  year = {2015},
  
  url = {https://www.mdpi.com/1660-4601/12/5/5338},
}

Quick Questions About This Study

Ship radio transmitters can exceed public safety limits in certain areas like bridge roofs, according to 2015 research measuring 528 EMF readings across three deck levels. However, all measurements stayed within occupational exposure limits designed to protect workers during regular duties.
Marine transmitter systems create measurable EMF exposure that varies by location on the vessel. A comprehensive study found bridge roof areas exceeded general public limits, though workplace exposure standards were met throughout all tested areas on ships.
Ship bridge work appears safe based on occupational EMF standards, with all measured levels staying within workplace limits. However, bridge roof areas showed EMF levels exceeding general public safety guidelines, suggesting limited access recommendations for non-essential personnel.
Ship communication equipment creates varying EMF exposure levels depending on your location aboard the vessel. Research measuring 528 data points found all areas met occupational safety standards, though some elevated locations exceeded limits intended for general public exposure.
Maritime workers face EMF levels that comply with occupational safety standards throughout ship operations. Detailed measurements across three deck levels showed workplace exposure limits were respected everywhere, providing important safety data for the maritime industry's EMF guidelines.