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Making Exposure Assessment Decisions With Scarce Resources

May 18, 2016

Conducting extensive sampling is beyond most industrial hygiene budgets. For most exposure assessments, hygienists are reliant on small data sets and have to use professional judgment. As a result it can be difficult to be sure that you have made the right classification.


Bayesian decision analysis (BDA) is a form of statistical analysis of occupational exposure data, that allows hygienists to select the most appropriate exposure category, even with limited data. BDA analysis results in easy to interpret “decision charts”, permits the user to mathematically incorporate prior information and professional judgment into the analysis, and can handle non-detects. It can also be used to select the most appropriate level of protection for those difficult to control exposure scenarios.


This 60 minute webinar (45 minutes followed by 15 minutes for Q&A) covers the basic methodology, assumptions and cautions, and will include several examples of using BDA to make exposure assessments.


Watch this webinar and learn:

  • What is BDA?
  • Benefits of using BDA
  • How to incorporate BDA into your EHS program
  • How to interpret decision charts
  • BDA dos and don’ts