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Related Experiment Videos

Experience in the use of the NIOSH diffusive sampler evaluation protocol

M Harper1, L V Guild

  • 1SKC Inc., PA 15330-9614, USA.

American Industrial Hygiene Association Journal
|December 1, 1996
PubMed
Summary

A new bilevel validation approach streamlines the assessment of diffusive samplers, reducing costs and time. This method enhances the National Institute for Occupational Safety and Health (NIOSH) protocol for validating air sampling devices.

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Area of Science:

  • Occupational Health and Safety
  • Analytical Chemistry
  • Environmental Monitoring

Background:

  • Diffusive sampler performance is influenced by numerous factors and their interactions.
  • Standard validation protocols, like the National Institute for Occupational Safety and Health (NIOSH) protocol, can be resource-intensive.
  • Existing protocols require extensive testing for each chemical hazard.

Purpose of the Study:

  • To develop a more efficient validation protocol for diffusive samplers.
  • To reduce the time and cost associated with sampler performance testing.
  • To adapt existing validation protocols for broader chemical applicability.

Main Methods:

  • Development of a "bilevel validation" approach for the SKC 575 series diffusive sampler.

Related Experiment Videos

  • Application of the bilevel approach to the NIOSH protocol.
  • Comparison of results with the full NIOSH protocol and a European validation protocol.

    • Main Results:

    • The bilevel approach feasibility was demonstrated for validating samplers for numerous organic vapors.
    • Significant time and resource savings were achieved compared to the full protocol.
    • The bilevel approach substantially increases the number of chemicals a sampler can be validated for.

    Conclusions:

    • The bilevel validation approach is effective for expanding the utility of the NIOSH protocol.
    • Validated samplers under either the NIOSH or European protocol should be considered equivalent.
    • This approach offers a practical solution for efficient and comprehensive diffusive sampler validation.