Hazard search
Osmium tetroxide
- CAS number
- 20816-12-0
- Also known as
- Osmium oxide · Osmium tetraoxide (as Os)
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 0.0002 ppm | |
| 8-hour TWA | 0.002 mg/m³ | |
| 15-minute STEL | 0.0006 ppm | |
| 15-minute STEL | 0.006 mg/m³ |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 91/2 Metals & metalloids by XRF Method document (opens in a new tab) | Active (pump) | IOM with 0.8µm MCE filter | XRF | 225-70A 225-19 225-1930 |
Methods and limits as published by their agencies and summarised by SKC; check the current method and the limit that applies to you before sampling.
Source: SKC Ltd (UK), Hazard Search, used with SKC's permission (opens in a new tab); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)