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 1 Evaluation of flavorings-related lung disease risk at six microwave popcorn plants
Authors Kanwal-R; Kullman-G; Piacitelli-C; Boylstein-R; Sahakian-N; Martin-S; Fedan-K; Kreiss-K 
Source J Occup Environ Med 2006 Feb; 48(2):149-157 
Link http://www.joem.org/pt/re/joem/abstract.00043764-200602000-00004.htm 
NIOSHTIC No. 20029615 
AbstractAfter investigating fixed airways obstruction in butter flavoring-exposed workers at a microwave popcorn plant, we sought to further characterize lung disease risk from airborne butter-flavoring chemicals. We analyzed data from medical and environmental surveys at six microwave popcorn plants (including the index plant). Respiratory symptom and airways obstruction prevalences were higher in oil and flavorings mixers with longer work histories and in packaging-area workers near nonisolated tanks of oil and flavorings. Workers were affected at five plants, one with mixing-area exposure to diacetyl (a butter-flavoring chemical with known respiratory toxicity potential) as low as 0.02 ppm. Microwave popcorn workers at many plants are at risk for flavoring-related lung disease. Peak exposures may be hazardous even when ventilation maintains low average exposures. Respiratory protection and engineering controls are necessary to protect workers. 
KeywordsLung-disease; Airway-obstruction; Occupational-exposure; Occupational-diseases; Airborne-particles; Risk-factors; Risk-analysis; Respiratory-system-disorders; Exposure-levels; Workers; Worker-health; Occupational-health; Occupational-hazards; Respiratory-protection; Engineering-controls; Pulmonary-system-disorders 
ContactNational Institute for Occupational Safety and Health, Division of Respiratory Disease Studies, Mail Stop H-2800, 1095 Willowdale Road, Morgantown, WV 26505 
CODENJOEMFM 
CAS No.431-03-8 
Publication Date20060201 
Document TypeJournal Article 
Email Addressrkanwal@cdc.gov 
Fiscal Year2006 
NTIS Accession No. 
NTIS Price 
Issue of Publication2 
ISSN1076-2752 
NIOSH DivisionDRDS 
Source NameJournal of Occupational and Environmental Medicine 
StateWV 
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