Hazard search
Barium sulphate (inhalable dust)
- CAS number
- 7727-43-7
- Also known as
- Artificial barite · Barium sulfate · Barium sulfate (total dust) · Barium sulphate (respirable dust) · Blanc fixe
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 10 mg/m³ | Barium sulphate (inhalable dust) |
| 8-hour TWA | 4 mg/m³ | Barium sulphate (respirable dust) |
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 |
| OSHA 204 Workplace Substances by XRF Method document (opens in a new tab) | Active (pump) | 0.8µm MCE filter in cassette with cyclone | 225-3-01 225-105 225-1 | |
| OSHA ID 121 | Active (pump) | AA or AES | 225-3-01 225-1 | |
| OSHA ID-121 Metal & metalloid particulates by AAS /AES Method document (opens in a new tab) | Active (pump) | 5µm PVC filter in cassette | 225-802 225-1 |
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); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)