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Rayon flock: a new cause of respiratory morbidity in a card processing plant.

Authors
Antão-VCS; Piacitelli-CA; Miller-WE; Pinheiro-GA; Kreiss-K
Source
Am J Ind Med 2007 Apr; 50(4):274-284
NIOSHTIC No.
20032463
Abstract
Background: Following employee respiratory concerns, we investigated the health effects of rayon flock exposure at a card manufacturing plant. Methods: We conducted a cross-sectional survey including environmental evaluation, standardized questionnaires, spirometry, carbon monoxide diffusing capacity testing, and methacholine challenge testing. Results: From a total of 239 participants, 146 (61%) reported working at least 1 hr per week in areas where flock-coated cards are processed (''flock workers'') and 47 (20%) reported cleaning equipment with compressed air. These workers had generally higher prevalences of respiratory symptoms. Flock workers and employees with longer tenure at areas where flock-coated cards are processed were more likely to have restrictive impairment of lung function. Although dust and fiber samples were largely below the detection limits, peak exposures to airborne particulate occurred during cleaning with compressed air. Conclusions: Working with rayon flock and cleaning with compressed air were associated with health effects in workers at this plant.
Keywords
Respiratory-system-disorders; Morbidity-rates; Lung-disease; Fibrous-dusts; Exposure-assessment; Occupational-diseases; Occupational-exposure; Airborne-dusts; Airborne-fibers; Airborne-particles; Lung-function; Industrial-environment; Methacholines; Lymphocytes; Author Keywords: occupational diseases; interstitial lung diseases; cross-sectional studies; viscose fiber; flock workers' lung
Contact
Vinicius C.S. Antao, National Institute for Occupational Safety and Health, Division of Respiratory Disease Studies, Mail Stop G900.2, 1095Willowdale Road, Morgantown, WV 26505
CODEN
AJIMD8
CAS No.
630-08-0
Publication Date
20070401
Document Type
Journal Article
Email Address
vinicius.antao@yahoo.com
Fiscal Year
2007
NTIS Accession No.
NTIS Price
Issue of Publication
4
ISSN
0271-3586
NIOSH Division
DRDS
Source Name
American Journal of Industrial Medicine
State
WV
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