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Dosimetry for workplace EMFs at power-line frequencies.

Authors
Gandhi-OP
Source
NIOSH 1996 Jan :1-22
Link
NIOSHTIC No.
20023909
Abstract
There is an increasing concern that electromagnetic fields (EMFs) at power frequencies may have adverse health effects. A key research need, therefore, has been to establish the mechanisms of bioeffects of the EMFs. An important aspect of this is to understand the coupling of the EMFs to the various tissues in the human body and to compare these with the EMFs that are endogenous to the human body. Knowledge in this area was relatively poor, since only simple saline-filled and metal-coated idealized models had mostly been used. The focus of this project has, therefore, been to obtain internal electric fields and induced current densities in heterogeneous, anatomically based models of the human body for a variety of realistic exposure conditions, including near-field sources such as a power drill, etc. Toward this end we have also developed a millimeter-resolution anisotropic MRI-based model of the human body which has been used to pinpoint the regions of the highest induced electric fields and current densities in the body for the various sources.
Keywords
Electromagnetic-fields; Electromagnetic-energy; Electromagnetic-wave-transmission; Biohazards; Biological-effects; Tissue-disorders
Publication Date
19960130
Document Type
Final Grant Report
Funding Amount
248776
Funding Type
Grant
Fiscal Year
1996
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-002945
NIOSH Division
OEP
Source Name
National Institute for Occupational Safety and Health
State
UT
Performing Organization
University of Utah, College of Engineering, Department of Electrical Engineering, Salt Lake City, Utah 84112
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