Reference Source

Uranium (as U) — workplace exposure limit

What is the cas no. for Uranium (as U) — workplace exposure limit?

For Uranium (as U), cas no. is 7440-61-1, verified against its source on 2026-08-05.

Uranium (as U) | 7440-61-1 | - | - | - |

osha.gov, retrieved 2026-08-05

Substance
Uranium (as U) verified
CAS No.
7440-61-1 verified
NIOSH REL (mg/m³)
TWA 0.2 per cdc.gov
Sourceosha.gov
Verified
Review by
DatasetUS workplace chemical exposure limits: federal OSHA, Cal/OSHA and NIOSH, side by side

What cdc.gov says

NIOSH REL Ca TWA 0.2 mg/m3 ST 0.6 mg/m3

cdc.gov, retrieved 2026-09-08

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.

What is the OSHA exposure limit for this substance?Find the exposure limit for a substance in workplace air — federal OSHA, California and NIOSH, side by side.