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Related Experiment Videos

Beryllium concentrations in ambient air and its source identification. A case study.

D D Thorat1, T N Mahadevan, D K Ghosh

  • 1Beryllium Machining Facility, BARC, Navi Mumbai, India. ddthorat@magnum.barc.ernet.in

Environmental Monitoring and Assessment
|June 8, 2001
PubMed
Summary

Beryllium concentrations in the air near a Beryllium Processing Facility (BPF) were measured and found to be below ambient air quality standards. Soil analysis revealed beryllium levels, with soil identified as the primary source of airborne beryllium at the site.

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Area of Science:

  • Environmental Science
  • Analytical Chemistry
  • Occupational Health

Background:

  • Beryllium Processing Facilities (BPFs) can release beryllium into the environment.
  • Understanding beryllium distribution is crucial for environmental and health risk assessment.
  • Atmospheric and soil beryllium levels require monitoring around industrial sites.

Purpose of the Study:

  • To measure beryllium concentrations in atmospheric particulate and soil samples.
  • To assess airborne beryllium levels against ambient air quality (AAQ) standards.
  • To identify the primary sources of beryllium in the air at the BPF site.

Main Methods:

  • Air and soil sampling in and around a Beryllium Processing Facility (BPF).
  • Measurement of beryllium concentrations using established analytical techniques.

Related Experiment Videos

  • Source identification utilizing the Enrichment Factor (EF) approach.

    • Main Results:

    • Mean air concentration of beryllium was 0.48 +/- 0.43 ng m(-3), well below the AAQ standard of 10 ng m(-3).
    • Soil beryllium concentrations ranged from 1.42-2.75 microg g(-1).
    • The mass median aerodynamic diameter (MMAD) of beryllium aerosols was 6.9 microm.
    • Enrichment Factor analysis identified soil as the predominant source of airborne beryllium.

    Conclusions:

    • Airborne beryllium levels at the BPF are below regulatory limits.
    • Soil is the main contributor to atmospheric beryllium concentrations at the site.
    • Diurnal and seasonal variations influence beryllium levels in ambient air.