# Iron pentacarbonyl, as Fe — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Iron pentacarbonyl, as Fe, pel (ppm) is 0.1; pel (mg/m³) is 0.8; stel (ppm) is 0.2; stel (mg/m³) is 1.6, verified against its source on 2026-08-05.

- **Substance:** Iron pentacarbonyl, as Fe
- **PEL (ppm):** 0.1
- **PEL (mg/m³):** 0.8
- **STEL (ppm):** 0.2
- **STEL (mg/m³):** 1.6

## What the source says

> 13463406 | | Iron pentacarbonyl, as Fe | 0.1 | 0.8 | | 0.2 | 1.6

## Source

- https://www.dir.ca.gov/title8/5155.html

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side](https://referencesource.org/workplace-exposure-limits/).