Journal
AMERICAN JOURNAL OF INDUSTRIAL MEDICINE
Volume 47, Issue 5, Pages 411-418Publisher
WILEY
DOI: 10.1002/ajim.20151
Keywords
theatrical smokes and fogs; glycols; mineral oil; occupational exposure; entertainment industry
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Background Theatrical fogs (glycol or mineral oil aerosols) are widely used in the entertainment industry to create special effects and make lighting visible. Methods We studied 101 employees at 1 9 sites using fogs and measured personal fog exposures, across work shift lung function, and acute and chronic symptoms. Results were also compared to an external control population, studied previously. Results Chronic work-related wheezing and chest tightness were significantly associated with increased cumulative exposure to fogs (mineral oil and glycols) over the previous 2 years. Acute cough and dry throat were associated with acute exposure to glycol-based Jogs; increased acute upper airway symptoms were associated with increased fog aerosol overall. Lung function was significantly lower among those working closest to the fog source. Conclusions Mineral oil- and glycol-based fogs are associated with acute and chronic adverse effects on respiratory health among employees. Reducing exposure, through controls, substitution, and elimination where possible, is likely to reduce these effects. (c) 2005 Wiley-Liss, Inc.
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