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Related Experiment Videos

A new tool for sampling airborne isocyanates.

G Sesana1, G Nano, A Baj

  • 1Unita Operativa Ospedaliera Medicina del Lavoro, USSL 63 Desio, Milano, Italy.

American Industrial Hygiene Association Journal
|May 1, 1991
PubMed
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A novel solid sorbent tube sampling system effectively measures airborne isocyanates, including toluene diisocyanate and hexamethylene diisocyanate. Results closely align with the established NIOSH Method P&CAM 5505, offering a reliable alternative for occupational exposure monitoring.

Area of Science:

  • Occupational Health and Safety
  • Analytical Chemistry
  • Environmental Monitoring

Background:

  • Isocyanates are significant respiratory sensitizers in occupational settings.
  • Accurate monitoring of airborne isocyanates is crucial for worker protection.
  • Existing methods may have limitations in sampling or analysis.

Purpose of the Study:

  • To introduce and evaluate a new solid sorbent tube sampling system for airborne isocyanates.
  • To compare the performance of the new system against a recognized standard method.
  • To validate the reliability of the novel sampling approach for isocyanate determination.

Main Methods:

  • Development of a sampling system utilizing solid sorbent media within a tube.
  • Determination of airborne concentrations of 2,4- and 2,6-toluene diisocyanate (TDI), hexamethylene diisocyanate (HDI), and 4,4'-diaminodiphenylmethane diisocyanate (MDI).

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  • Comparative analysis against the National Institute for Occupational Safety and Health (NIOSH) Method P&CAM 5505 (Revision #1).

    • Main Results:

    • The new solid sorbent tube system demonstrated high concordance with NIOSH Method P&CAM 5505.
    • Experimental data confirmed the accuracy and reliability of the novel sampling technique.
    • The system proved effective for quantifying key airborne isocyanates relevant to industrial hygiene.

    Conclusions:

    • The presented solid sorbent tube sampling system is a viable and accurate method for airborne isocyanate determination.
    • This new system offers a reliable alternative for occupational exposure assessment of isocyanates.
    • The findings support the adoption of this method for enhanced workplace safety monitoring.