Hazard search
Gypsum (inhalable)
- CAS number
- 13397-24-5
- Also known as
- Calcium sulfate dihydrate · Gypsum (inhalable dust) · Gypsum (particulates, respirable) · Gypsum (particulates, total) · Gypsum (respirable dust) · Gypsum (respirable)
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 10 mg/m³ | Gypsum (inhalable) |
| 8-hour TWA | 4 mg/m³ | Gypsum (respirable) |
Sampling methods
| Method | Sampling | Medium | Analysis | Part numbers |
|---|---|---|---|---|
| MDHS 14/4 General inhalable or respirable dusts by gravimetric analysis (respirable) Method document (opens in a new tab) | Active (pump) | IOM & foam (or cyclone) with GF filter | GR | 225-70A 225-772 225-69 225-58F |
| MDHS 14/4 General inhalable or respirable dusts by gravimetric analysis (total inhalable) Method document (opens in a new tab) | Active (pump) | IOM with GF filter | GR | 225-70A 225-58F |
| NIOSH 500 Particulates not otherwise regulated (total inhalable) by Gravimetric analysis Method document (opens in a new tab) | Active (pump) | 37mm, 5µm PVC filter in cassette | GR | 225-5-37-P 225-2LF 225-1 |
| NIOSH 600 Particulates not otherwise regulated (respirable) by Gravimetric analysis Method document (opens in a new tab) | Active (pump) | Cyclone & 5µm PVC filter in cassette | GR | 225-01-02 225-5-37-P 225-3LF 225-1 225-8208A 225-3851-PW |
| BS ISO 15202-1: 2020 Determination of metals and metalloids in airborne particulate matter by ICP | Active (pump) | IOM with 0.8µm MCE filter | 225-70A 225-1930 | |
| BS ISO 15202-1: 2020 Determination of metals and metalloids in airborne particulate matter by ICP | Active (pump) | IOM with 0.8µm MCE filter and foam | 225-70A 225-1930 225-772 |
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)