Zirconium compounds (as Zr) — workplace exposure limit

What is the pel (mg/m³) for Zirconium compounds (as Zr) — workplace exposure limit?

For Zirconium compounds (as Zr), pel (mg/m³) is 5; cas no. is 7440-67-7, verified against its source on 2026-08-05.

Zirconium compounds (as Zr) | 7440-67-7 | - | 5 | - |

— osha.gov, retrieved 2026-08-05

Verified2026-08-05

Review by2027-08-05

NIOSH REL TWA 5 mg/m3 ST 10 mg/m3

— cdc.gov, retrieved 2026-09-08

osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
cdc.govhttps://www.cdc.gov/niosh/npg/npgd0677.html

Last verified against source: 2026-08-05. Due for re-check by 2027-08-05. This page as Markdown · OKF bundle · full dataset as JSON.