Reference Source

Hexachlorobutadiene

For Hexachlorobutadiene, pel (ppm) is 0.02; pel (mg/m³) is 0.24, verified against its source on 2026-08-05.

Substance
Hexachlorobutadiene
PEL (ppm)
0.02
PEL (mg/m³)
0.24
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

87683 | S | Hexachlorobutadiene | 0.02 | 0.24

— 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.