Morpholine; tetrahydro-4H-1, 4-oxazine

For Morpholine; tetrahydro-4H-1, 4-oxazine, pel (ppm) is 20; pel (mg/m³) is 70; stel (ppm) is 30; stel (mg/m³) is 105, verified against its source on 2026-08-05.

Substance: Morpholine; tetrahydro-4H-1, 4-oxazine
PEL (ppm): 20
PEL (mg/m³): 70
STEL (ppm): 30
STEL (mg/m³): 105

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

110918 | S | Morpholine; tetrahydro-4H-1, 4-oxazine | 20 | 70 | | 30 | 105

— 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.