Reference Source

Butane

For Butane, pel (ppm) is 800; pel (mg/m³) is 1,900, verified against its source on 2026-08-05.

Substance
Butane
PEL (ppm)
800
PEL (mg/m³)
1,900
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

106978 | | Butane | 800 | 1,900

— 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.