Contaminants in the workplace air are: (check all that apply)

This advisor is only designed to accommodate a single gaseous and a single particulate contaminant. If your workplace has multiple contaminants, you will need to consult other resources in order to determine how to correctly estimate the total exposure and limits for the mixture.

Gases or Vapors
The permissible exposure limit (PEL) for gaseous or vaporous contaminant(s) is
and the maximum exposure level (TWA) in the workplace is
Particulates
Is oil present in the workplace air? Yes
No
Unknown
What filter efficiency is desired? 95
99
100 (HEPA)
Unknown
Will the filter be used for more than 8 hours? Yes
No
The permissible exposure limit (PEL) for particulate contaminant(s) is
and the maximum exposure level (TWA) in the workplace is
The contaminant(s) is an eye irritant, or can cause eye damage at the exposure concentration

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