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(636) 757-3060
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  • Home
  • Services
    • Industrial Hygiene
    • Occupational Safety
    • Risk Consulting
    • Environmental Health
    • Legal Advocacy
    • Communication & Training
  • Associates
  • History
  • Locations
    • St. Louis, MO
    • Dallas/Fort Worth, TX
  • Careers
  • Blog
  • Contact

January 26, 2023

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The Concept of Full Shift Time-Weighted Average Exposure Limits

EducationBy Jurgiel & AssociatesJanuary 26, 2023Leave a comment

The concept of Time Weighted Average (TWA) exposure limits is simple; it is a daily average concentration limit. The health concept is that if the exposure does not exceed this exposure limit, nearly all exposed workers will have no adverse effects. For the purpose of setting these limits, TWAs are usually defined as exposures for…

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