Reference Source

Maleic anhydride; cis-butenedioic anhydride

For Maleic anhydride; cis-butenedioic anhydride, pel (ppm) is 0.1; pel (mg/m³) is 0.4, verified against its source on 2026-08-05.

Substance
Maleic anhydride; cis-butenedioic anhydride
PEL (ppm)
0.1
PEL (mg/m³)
0.4
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

108316 | | Maleic anhydride; cis-butenedioic anhydride | 0.1 | 0.4

— 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.