Reference Source

Propylene oxide; 1,2-epoxy-propane

For Propylene oxide; 1,2-epoxy-propane, pel (ppm) is 2; pel (mg/m³) is 4.75, verified against its source on 2026-08-05.

Substance
Propylene oxide; 1,2-epoxy-propane
PEL (ppm)
2
PEL (mg/m³)
4.75
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

75569 | | Propylene oxide; 1,2-epoxy-propane | 2 | 4.75

— 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.