Quantifying hazardous electromagnetic fields--Scientific basis and practical considerations
Wacker PF, Bowman RR · 1971
Scientists recognized the need for EMF hazard measurement standards over 50 years ago, long before today's wireless revolution.
Plain English Summary
This 1971 research by Wacker and Bowman examined methods for measuring and quantifying dangerous levels of electromagnetic fields, particularly from microwave sources. The study focused on establishing scientific approaches for assessing EMF hazards and developing practical safety standards. This early work helped lay the foundation for modern electromagnetic field safety protocols.
Why This Matters
This foundational 1971 research represents a critical moment in EMF science when researchers first began systematically addressing how to measure electromagnetic field hazards. What makes this work significant is its timing - it emerged during the early microwave era when industrial and military applications were rapidly expanding, yet safety protocols lagged behind technological deployment. The reality is that this early recognition of EMF hazards preceded today's ubiquitous wireless exposures by decades. While this research focused on higher-power microwave sources common in industrial settings, the measurement principles and safety considerations it established remain relevant as we navigate an environment filled with lower-power but constant EMF exposures from cell phones, WiFi, and smart devices. The science demonstrates that concerns about electromagnetic field safety aren't new - they've been part of the scientific discussion for over 50 years.
Figures from the Original Paper
Diagram extracted from the original research document.
Exposure Information
Specific exposure levels were not quantified in this study.
Study Details
To define the applicability of existing concepts and standards; to base hazard quantification upon fundamental physical principles generally applicable for hazardous situations independent of the validity of current conjectures; to describe explicitly the problems and uncertainties which may arise; and to discuss instrument design and techniques for accurate measurements.
The authors examine complications and problems of quantifying hazardous EM fields involving source-s...
The authors conclude that power density is not a satisfactory parameter for characterizing the poten...
Only accurate implantable probes or phantom dosimeters can give reliably accurate measurements of the hazards associated with some types of complicated fields. Dosimetric measurements should normally be based on the internal electric field rather than on temperature rise within the subject. Improved instrumentation for measuring unperturbed EM fields is needed.
Show BibTeX
@article{quantifying_hazardous_electromagnetic_fields_scientific_basis_and_practical_cons_g6366,
author = {Wacker PF and Bowman RR},
title = {Quantifying hazardous electromagnetic fields--Scientific basis and practical considerations},
year = {1971},
}