Hazard search
Silica, amorphous (respirable)
- CAS number
- No CAS number
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 2.4 mg/m³ |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 14/4 General inhalable or respirable dusts by gravimetric analysis Method document (opens in a new tab) | Active (pump) | IOM & foam (or cyclone) with PVC filter | 225-70A 225-772 225-69 225-5-25 | |
| NIOSH 7501 Amorphous silica by XRD (respirable) Method document (opens in a new tab) | Active (pump) | Cyclone & 5µm PVC filter in cassette | 225-01-02 225-803 225-1 |
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)