Reference Source

Hydrogen fluoride, as F

For Hydrogen fluoride, as F, pel (ppm) is 0.4; pel (mg/m³) is 0.33; stel (ppm) is 1; stel (mg/m³) is 0.83, verified against its source on 2026-08-05.

Substance
Hydrogen fluoride, as F
PEL (ppm)
0.4
PEL (mg/m³)
0.33
STEL (ppm)
1
STEL (mg/m³)
0.83
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

7664393 | S | Hydrogen fluoride, as F | 0.4 | 0.33 | | 1 | 0.83

— 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.