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Prevention guidance for isocyanate-induced asthma using occupational surveillance data.

Authors
Reeb-Whitaker-C; Anderson-NJ; Bonauto-DK
Source
J Occup Environ Hyg 2013 Nov; 10(11):597-608
NIOSHTIC No.
20043416
Abstract
Data from Washington State's work-related asthma surveillance system were used to characterize isocyanate-induced asthma cases occurring from1999 through 2010. Injured worker interviews and medical records were used to describe the industry, job title, work process, workers' compensation cost, and exposure trends associated with 27 cases of isocyanate-induced asthma. The majority (81%) of cases were classified within the surveillance system as new-onset asthma while 19% were classified as work-aggravated asthma. The workers' compensation cost for isocyanate-induced asthma cases was $1.7 million; this was 14% of the total claims cost for all claims in the asthma surveillance system. The majority of cases (48%) occurred from paint processes, followed by foam application or foam manufacturing (22%). Nine of the asthma cases associated with spray application occurred during application to large or awkward-shaped objects. Six workers who did not directly handle isocyanates (indirect exposure) developed new-onset asthma. Two cases suggest that skin contact and processes secondary to the isocyanate spray application, such as cleanup, contributed to immune sensitization. Surveillance data provide insight for the prevention of isocyanate-induced respiratory disease. Key observations are made regarding the development of work-related asthma in association with a) paint application on large objects difficult to ventilate, b) indirect exposure to isocyanates, c) exposure during secondary or cleanup processes, and d) reports of dermal exposure.
Keywords
Bronchial-asthma; Employee-exposure; Employee-health; Worker-health; Occupational-exposure; Surveillance-programs; Isocyanates; Respiratory-system-disorders; Disease-prevention; Painters; Paints; Insulation-materials; Sprays; Skin-exposure; Author Keywords: work-related asthma; occupational asthma; workers compensation; cost; indirect exposure; dermal
Contact
Carolyn Reeb-Whitaker, SHARP Program, Washington State Department of Labor & Industries, P.O. Box 44330, Olympia, WA 98501
CODEN
JOEHA2
Publication Date
20131101
Document Type
Journal Article
Email Address
whca235@Lni.wa.gov
Funding Type
Cooperative Agreement
Fiscal Year
2014
NTIS Accession No.
NTIS Price
Identifying No.
Cooperative-Agreement-Number-U60-OH-008487; M122013
Issue of Publication
11
ISSN
1545-9624
Priority Area
Agriculture, Forestry and Fishing
Source Name
Journal of Occupational and Environmental Hygiene
State
WA
Performing Organization
Washington State Department of Labor and Industries
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