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Occupational Exposure to Volatile Organic Compounds in Polyurethane Foam Production-Concentration, Variability and

Andrzej R Reindl1, Ewa Olkowska1, Jakub Pawłowski1

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Summary
This summary is machine-generated.

Volatile organic compounds (VOCs) in polyurethane foam production pose health risks. While most exposures were below limits, elevated 1-hexanol in the cutting area warrants attention, suggesting targeted safety improvements.

Keywords:
dichloromethaneenvironmental healthhealth risks assessmentoccupational exposurepolyurethane foam productionvolatile organic compounds (VOCs)

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Area of Science:

  • Occupational Health and Safety
  • Environmental Chemistry
  • Industrial Hygiene

Background:

  • Volatile organic compounds (VOCs) are a significant occupational hazard in polyurethane foam manufacturing.
  • Worker exposure to VOCs can negatively impact health.
  • Understanding VOC profiles and concentrations is crucial for risk assessment.

Purpose of the Study:

  • To identify key VOCs in a polyurethane manufacturing facility.
  • To evaluate VOC concentrations across different production areas.
  • To assess associated health risks for workers.

Main Methods:

  • Area air sampling (n=5) during routine production.
  • Short-duration active sampling technique.
  • Analysis using thermal desorption gas chromatography-mass spectrometry (TD-GC-MS).

Main Results:

  • Significant spatial variation in VOC concentrations observed.
  • The curing section exhibited the highest total VOC levels.
  • Dichloromethane (DCM) was the predominant VOC in high-emission zones.
  • All measured DCM and regulated substance concentrations were below European and Polish short-term exposure limits.
  • Lifetime cancer risk for DCM and benzene was in the 10-6 range (below 10-4 threshold).
  • Elevated non-carcinogenic risk (HQ=5.7) for 1-hexanol, 2-ethyl- identified in the cutting area.

Conclusions:

  • Current protective measures are largely effective in controlling overall exposure.
  • Localized health concerns, particularly for 1-hexanol, necessitate targeted interventions.
  • Enhanced ventilation, improved PPE, and regular air monitoring are recommended.
  • Occupational safety standards require updates based on new toxicological data for sustained worker protection.