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2013 ; 56
(7
): 791-805
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Possible health benefits from reducing occupational magnetic fields
#MMPMID23129537
Bowman JD
; Ray TK
; Park RM
Am J Ind Med
2013[Jul]; 56
(7
): 791-805
PMID23129537
show ga
BACKGROUND: Magnetic fields (MF) from AC electricity are a Possible Human
Carcinogen, based on limited epidemiologic evidence from exposures far below
occupational health limits. METHODS: To help formulate government guidance on
occupational MF, the cancer cases prevented and the monetary benefits accruing to
society by reducing workplace exposures were determined. Life-table methods
produced Disability Adjusted Life Years, which were converted to monetary values.
RESULTS: Adjusted for probabilities of causality, the expected increase in a
worker's disability-free life are 0.04 year (2 weeks) from a 1?microtesla (µT) MF
reduction in average worklife exposure, which is equivalent to $5,100/worker/µT
in year 2010 U.S. dollars (95% confidence interval $1,000-$9,000/worker/µT).
Where nine electrosteel workers had 13.8?µT exposures, for example, moving them
to ambient MFs would provide $600,000 in benefits to society (uncertainty
interval $0-$1,000,000). CONCLUSIONS: When combined with the costs of controls,
this analysis provides guidance for precautionary recommendations for managing
occupational MF exposures.