---
type: threshold
id: uranium-as-u
asset: workplace-exposure-limits
title: "Uranium (as U) — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
source_quote: "Uranium (as U) | 7440-61-1 | - | - | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Uranium (as U)"
cas_number: "7440-61-1"
verified: true
---
**Substance:** Uranium (as U)

**CAS No.:** 7440-61-1

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

Source: <https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1>