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Related Concept Videos

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Related Experiment Video

Updated: Apr 4, 2026

An Air-liquid Interface Bronchial Epithelial Model for Realistic, Repeated Inhalation Exposure to Airborne Particles for Toxicity Testing
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Beryllium solubility in occupational airborne particles: Sequential extraction procedure and workplace application.

Davy Rousset1, Thibaut Durand1

  • 1a Institut National de Recherche et de Sécurité (INRS) , Département Métrologie des Polluants , Vandoeuvre , France.

Journal of Occupational and Environmental Hygiene
|September 2, 2015
PubMed
Summary

A new method accurately measures inorganic beryllium species in airborne particles, crucial for assessing occupational exposure risks. This technique helps understand beryllium toxicity linked to its various chemical forms in workplace air.

Keywords:
Airborne particlesICP-MSinorganic berylliumoccupational exposurespeciation

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Area of Science:

  • Environmental Science
  • Analytical Chemistry
  • Occupational Health

Background:

  • Beryllium exposure poses significant health risks, with toxicity potentially varying based on its chemical form.
  • Accurate speciation of inorganic beryllium in airborne particulate matter is essential for effective risk assessment.

Purpose of the Study:

  • To adapt and validate a sequential extraction procedure for determining inorganic beryllium species in airborne particulate matter.
  • To account for wall deposits in air samples using a closed-face cassette sampler.
  • To enable individual quantification of beryllium salts, metallic beryllium, and beryllium oxide.

Main Methods:

  • A four-step sequential extraction protocol was modified and applied to closed-face cassette samplers.
  • Beryllium species (salts, metal, oxide) were individually and collectively tested, with spiked cassettes used to calculate recovery rates.
  • Inductively coupled plasma mass spectrometry (ICP-MS) was employed for quantitative analysis, and Method Detection Limits (MDLs) were determined.

Main Results:

  • The modified protocol demonstrated effective separation and quantification of beryllium species.
  • Method Detection Limits (MDLs) were consistently below 4.2 ng/sample across all matrices.
  • The method's sensitivity is suitable for assessing occupational exposure, aligning with established threshold limit values.

Conclusions:

  • The developed speciation protocol is appropriate for assessing occupational exposure to beryllium.
  • Application to samples from French factories revealed variable beryllium solubility, indicating task-specific exposure differences.
  • Characterizing beryllium species by solubility provides valuable insights into potential toxicity in occupational settings.