Hazard search
Iron oxide
- CAS number
- 1309-37-1
- Also known as
- Ferric oxide · Iron oxide (Elements by ICP HNO3 Digestion) · Iron oxide (fume) (as Fe) · Iron oxide fume · Iron oxide red · Iron(III) oxide · Red iron oxide · Rouge (inhalable) · Rouge (particulates, respirable) · Rouge (particulates, total) · Rouge (respirable) · Rouge (total inhalable) · Rouge (total respirable)
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 5 mg/m³ | Iron oxide |
| 15-minute STEL | 10 mg/m³ | Iron oxide |
| 8-hour TWA | 10 mg/m³ | Rouge (inhalable) |
| 8-hour TWA | 4 mg/m³ | Rouge (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 (inhalable) Method document (opens in a new tab) | Active (pump) | IOM with glass fibre filter | GR | 225-70A 225-58F |
| 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 |
| NIOSH 0500 Particulates Not Otherwise Regulated, Total GR Method document (opens in a new tab) | Active (pump) | Filter Cassette | GR | 225-5-37-P 225-2LF 225-1 |
| NIOSH 0600 Particulates Not Otherwise Regulated, Respirable GR Method document (opens in a new tab) | Active (pump) | Filter Cassette | GR | 225-01-02 225-5-37-P 225-3LF 225-1 225-8208A 225-3851-PW |
| NIOSH 7303 Elements by ICP (Hot block/HCl/HNO3 Digestion) Method document (opens in a new tab) | Active (pump) | 0.8µm MCE filter in cassette | ICP-AES | 225-3-01 225-1 |
| OSHA ID 121 | Active (pump) | AA or AES | 225-3-01 225-1 | |
| OSHA ID 125G | Active (pump) | ICP-AES | 225-3-01 225-3100 225-1 | |
| OSHA ID-121 Metal & metalloid particulates by AAS Method document (opens in a new tab) | Active (pump) | 0.8µm MCE filter in cassette | 225-3-01 225-1 | |
| OSHA ID-125G Metals & metalloid particulates by ICP Method document (opens in a new tab) | Active (pump) | 0.8µm MCE filter in cassette | 225-3-01 225-3100 225-1 | |
| ISO 10882-1: 2011 Welding fumes by gravimetric or chemical analysis Method document (opens in a new tab) | Active (pump) | Headset & minisampler with 13mm MCE filter | 225-6200 225-6201 225-6202 225-8050 |
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)