8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Whole Body / General

RADIATION SURVEYS—MEASUREMENT OF LEAKAGE EMISSIONS AND POTENTIAL EXPOSURE FIELDS

Bioeffects Seen

David E. Janes, Jr. · 1979

Share:

1979 research surveyed actual radiation leakage from electronics, establishing foundational methods for measuring real-world EMF exposure levels.

Plain English Summary

Summary written for general audiences

This 1979 technical study by Janes examined radiation leakage from electronic equipment and measured the electromagnetic fields people might be exposed to. The research focused on surveying actual emission levels from various radiofrequency sources to understand potential human exposure scenarios. This type of foundational measurement work helped establish early understanding of EMF exposure levels in real-world environments.

Why This Matters

This 1979 research represents crucial foundational work in EMF exposure assessment, conducted during an era when electronic devices were rapidly proliferating but safety standards were still developing. What makes this study significant is its focus on actual leakage emissions rather than theoretical calculations. The reality is that many electronic devices emit more radiation than their specifications suggest, and this type of survey work helps identify those gaps between design intentions and real-world performance.

The timing of this research is particularly relevant today. In 1979, we had far fewer EMF sources in our environment, yet researchers were already concerned enough about leakage emissions to conduct systematic surveys. Fast-forward to today's environment with smartphones, Wi-Fi routers, smart meters, and countless wireless devices, and you can see why understanding actual emission patterns becomes even more critical for protecting public health.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
David E. Janes, Jr. (1979). RADIATION SURVEYS—MEASUREMENT OF LEAKAGE EMISSIONS AND POTENTIAL EXPOSURE FIELDS.
Show BibTeX
@article{radiation_surveys_measurement_of_leakage_emissions_and_potential_exposure_fields_g6049,
  author = {David E. Janes and Jr.},
  title = {RADIATION SURVEYS—MEASUREMENT OF LEAKAGE EMISSIONS AND POTENTIAL EXPOSURE FIELDS},
  year = {1979},
  
  
}

Quick Questions About This Study

Radiation leakage emissions are electromagnetic fields that escape from electronic equipment beyond their intended design limits. These unintended emissions can expose users to higher EMF levels than expected from the device specifications.
By 1979, electronic devices were becoming widespread but safety standards were still developing. Researchers needed to measure actual emission levels from real equipment to understand potential human exposure and identify devices exceeding safe limits.
Intentional radiation serves a device's function, like radio transmission or microwave heating. Leakage emissions are unintended electromagnetic fields that escape due to imperfect shielding, worn seals, or design flaws in the equipment.
Based on 1979 technology, researchers likely surveyed microwave ovens, radio transmitters, radar equipment, medical devices, and industrial heating equipment. These were the primary sources of significant electromagnetic emissions at that time.
The measurement techniques developed in studies like this established protocols still used today for testing device compliance. However, modern environments have exponentially more EMF sources requiring updated survey methods and safety standards.