Reference Source

Hydroquinone; 1,4-benezendiol

For Hydroquinone; 1,4-benezendiol, pel (mg/m³) is 2, verified against its source on 2026-08-05.

Substance
Hydroquinone; 1,4-benezendiol
PEL (mg/m³)
2
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

123319 | | Hydroquinone; 1,4-benezendiol | -- | 2

— 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.