---
type: threshold
id: molybdenum-insoluble-compounds-as-mo
asset: workplace-exposure-limits
title: "Molybdenum, insoluble compounds, as Mo — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "7439987 | | Molybdenum, insoluble compounds, as Mo | -- | 0.5 (n)"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Molybdenum, insoluble compounds, as Mo"
pel_mgm3: "0.5 (n)"
verified: true
---
**Substance:** Molybdenum, insoluble compounds, as Mo

**PEL (mg/m³):** 0.5 (n)

> 7439987 | | Molybdenum, insoluble compounds, as Mo | -- | 0.5 (n)

Source: <https://www.dir.ca.gov/title8/5155.html>