Permissible Limits for Formaldehyde Exposure

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Permissible Limits for Formaldehyde Exposure

OSHA has set these permissible limits for formaldehyde exposure (Table 1).
Table 1. Permissible Limits for Formaldehyde Exposure.
LimitDefinition
PEL = 0.75 ppmPermissible Exposure Limit for an eight-hour time weighted average (TWA).
STEL = 2.0 ppm Short Term Exposure Limit for a 15-minute exposure.
Action Level = 0.5 ppm Action Level for an eight-hour time weighted average (TWA).