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Magnetic field exposure in a nondestructive testing operation.

Authors
Lippert-JF; Lacey-SE; Kennedy-KJ; Esmen-NA; Buchanich-JM; Marsh-GM
Source
Arch Environ Occup Health 2007 Oct; 62(4):187-193
NIOSHTIC No.
20039101
Abstract
Nondestructive testing is any technique used to inspect the integrity of a manufactured item without diminishing its future usefulness. Magnetic particle inspection is one type of nondestructive testing that uses electromagnetism in the inspection procedure, thus potentially exposing the operator to magnetic fields. During magnetic particle inspection, investigators took peak magnetic field measurements of 8 turbine engine shafts at a turbine engine overhaul and repair center. They recorded 95 peak magnetic field measurements, ranging from < 0.1 to 29.27 mT. The exposure values measured were among the highest reported in the occupational setting. Further work is needed to characterize magnetic field exposures in magnetic particle inspection operations--in particular, by differentiating magnetic field magnitude by current frequency--and to understand exposure as it relates to different types of magnetic particle inspection devices.
Keywords
Magnetic-fields; Magnetic-properties; Electromagnetic-fields; Exposure-levels; Exposure-limits; Author Keywords: magnetic fields; magnetic particle inspection; nondestructive testing
Contact
Dr. Steven E. Lacey, University of Illinois at Chicago, 2121 West Taylor Street, MC 922, Chicago IL 60612
CODEN
AEOHAJ
Publication Date
20071001
Document Type
Journal Article
Email Address
slacey@uic.edu
Funding Type
Grant; Cooperative Agreement
Fiscal Year
2008
NTIS Accession No.
NTIS Price
Identifying No.
Cooperative-Agreement-Number-T42-CCT-522954; Grant-Number-T42-OH-008672
Issue of Publication
4
ISSN
1933-8244
Source Name
Archives of Environmental & Occupational Health
State
IL
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