Reference Source

Manganese fume, as Mn

For Manganese fume, as Mn, pel (mg/m³) is 0.2; stel (mg/m³) is 3, verified against its source on 2026-08-05.

Substance
Manganese fume, as Mn
PEL (mg/m³)
0.2
STEL (mg/m³)
3
Sourcedir.ca.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

What the source says

7439965 | | Manganese fume, as Mn | -- | 0.2 | | -- | 3

— dir.ca.gov, retrieved 2026-08-05

Source

Last verified against source: 2026-08-05. Scheduled for re-check by: 2027-08-05. This page as Markdown · OKF concept · full dataset as JSON.