1,3-Butadiene (see also section 5201)

For 1,3-Butadiene (see also section 5201), pel (ppm) is 1; pel (mg/m³) is 2.2; stel (ppm) is 5; stel (mg/m³) is 11, verified against its source on 2026-08-05.

Substance: 1,3-Butadiene (see also section 5201)
PEL (ppm): 1
PEL (mg/m³): 2.2
STEL (ppm): 5
STEL (mg/m³): 11

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

106990 | | 1,3-Butadiene (see also section 5201) | 1 | 2.2 | | 5 | 11

— dir.ca.gov, retrieved 2026-08-05

Source

dir.ca.govhttps://www.dir.ca.gov/title8/5155.html

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.