Workshop - What to Look for in Gas Detection and Measurement Instrumentation (9)

U.S. Department of Labor
Occupational Safety & Health Administration
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Slide 9 of 76

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Gases and Vapors Definitions

What is a gas?
What is a vapor?
Permissible Exposure Limits (PELs)
- Gases and vapors normally listed as ppm and mg/m3
- Aerosols/particulates only listed as mg/m3

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