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HHE determination report no. HHE-73-85-69, Vail Enterprises, LaVeta, Colorado.
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HHE 73-85-69, 1973 Sep; :1-5
Evaluation of concentrations of toluene-2,4-diisocyanate (584849) and methylene di-(4-phenylisocyanate) as adhesives during the manufacture of yard fences reveals isocyanates are not at toxic levels, due to adequate natural ventilation. Prior to the NIOSH evaluation, the process was conducted indoors with poor ventilation, resulting in sensitization of several workers. It is recommended that sensitized individuals avoid all contact with isocyanates to prevent pulmonary reactions. Isocyanates should be used only with adequate down-draft ventilation and proper protective clothing.
NIOSH-Publication; NIOSH-Author; HHE-73-85-69; Region-8; Hazard-Unconfirmed; Toxicity; Hypersensitivity; Environmental-contaminants; Respiratory-system-disorders; Allergenic-reactions; Author Keywords: Toluene-2,4-diisocyanate; TDI; methylene di-(4-phenylisocyanate); MDI
Field Studies; Hazard Evaluation and Technical Assistance
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division