Abstract
Abstract The purpose of this article is to present extremely low frequency magnetic field exposures to a group of electricians working in a large petroleum refinery. Petroleum refinery workers were classified into groups based on the type of exposure sources and work conducted. Electricians were divided into three categories: high voltage electrical distribution (HVED) workers; low voltage electrical distribution (LVED) workers; and operating unit electrical workers, referred to as maintenance electricians (MNTE). For comparison purposes nonelectrical workers in the refinery and nonoccupational exposures were also determined. The EMDEX-C dosimeter developed by the Electric Power Research Institute was used to determine full-shift magnetic flux density exposure estimates. A total of 48 individuals, 11 HVED electricians, 12 LVED electricians, 11 MNTE workers, and 14 nonelectrical workers were monitored for an 8-hour shift. Both the HVED and LVED groups were found to have average full-shift mean exposures sl...
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