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Related Experiment Videos

A portable vapor/particle sampler

J Q Xiong1, C Fang, B S Cohen

  • 1New York University Medical Center, Nelson Institute of Environmental Medicine, Tuxedo 10987, USA.

American Industrial Hygiene Association Journal
|October 21, 1998
PubMed
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A new portable sampler accurately measures volatile organic chemical (VOC) exposure by distinguishing between particle and vapor phases. This helps assess inhalation risks in workplaces, especially during spray applications.

Area of Science:

  • Occupational Health and Safety
  • Environmental Monitoring
  • Analytical Chemistry

Background:

  • Volatile organic chemicals (VOCs) exist as both airborne particles and vapors in workplaces.
  • Accurate worker exposure assessment requires differentiating between these phases due to varying respiratory deposition.
  • Current methods may not adequately capture the phase distribution of VOCs.

Purpose of the Study:

  • To design and validate a prototype portable vapor/particle sampler (PVPS).
  • To quantify the phase distribution of volatile components in airborne particles and gas.
  • To assess the PVPS's performance against existing sampling techniques.

Main Methods:

  • Development of a portable device utilizing differential inertia for phase separation.

Related Experiment Videos

  • Laboratory testing and validation of the PVPS.
  • Comparative analysis with glass fiber filters, charcoal sorbent tubes, and diffusion monitors.

    • Main Results:

    • The PVPS successfully sampled and quantified the phase distribution of volatile components.
    • The device is low-cost, lightweight, and compatible with standard personal sampling pumps.
    • Performance was validated against established particle and vapor sampling methods.

    Conclusions:

    • The PVPS is a viable tool for assessing occupational exposure to VOCs, particularly in spray environments.
    • Its ability to differentiate phases enhances the accuracy of inhalation risk assessment.
    • The sampler offers a practical, cost-effective solution for workplace monitoring.