Reference Source

Nitrous oxide

For Nitrous oxide, pel (ppm) is 50; pel (mg/m³) is 90, verified against its source on 2026-08-05.

Substance
Nitrous oxide
PEL (ppm)
50
PEL (mg/m³)
90
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

0024972 | | Nitrous oxide | 50 | 90

— 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.