Reference Source

Sodium hydroxide; caustic soda

For Sodium hydroxide; caustic soda, pel (mg/m³) is 2; ceiling is C, verified against its source on 2026-08-05.

Substance
Sodium hydroxide; caustic soda
PEL (mg/m³)
2
Ceiling
C
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

1310732 | | Sodium hydroxide; caustic soda | -- | 2 | C

— 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.