Hazard search
Chromium
- CAS number
- 7440-47-3
- Also known as
- Chromium & compounds (as Cr) · Chromium & inorganic compounds · Chromium (Elements by Cellulosic Internal Capsule Sampler) · Chromium (Elements by ICP Aqua Regia Ashing) · Chromium (Elements by ICP HNO3 Digestion) · Chromium (Elements by ICP HNO3/HClO4 Ashing) · Chromium (Elements on Wipes) · Chromium II & III compounds (as Cr) · Chromium metal & insoluble compounds · Copper (Elements on Wipes) · Cr
UK workplace exposure limits
| Limit | Value | Applies to |
|---|---|---|
| 8-hour TWA | 0.5 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 225-1930 |
| NIOSH 7024 Chromium & compounds by AA-F Method document (opens in a new tab) | Active (pump) | 0.8µm MCE filter in cassette (or Nano-Neat cassette) | AA-F | 225-3-01 225-8410 225-1 |
| NIOSH 7300 Elements by ICP (Nitric/perchloric acid ashing) Method document (opens in a new tab) | Active (pump) | 0.8µm MCE filter in 37mm cassette | ICP-AES | 225-3-01 225-1 225-8408 |
| NIOSH 7301 Elements by ICP (Aqua regia ashing) Method document (opens in a new tab) | Active (pump) | 0.8µm MCE filter or 5µm PVC filter in 37mm cassette | ICP-AES | 225-3-01 225-803 225-1 |
| NIOSH 7303 Elements by ICP -AES (Hot block/HCl/HNO3 Digestion) Method document (opens in a new tab) | Active (pump) | Filter Cassette | ICP-AES | 225-3-01 225-1 |
| NIOSH 7306 | Active (pump) | ICP-AES | 225-8517 225-1 | |
| NIOSH 9102 Elements on wipes by ICP -AES Method document (opens in a new tab) | Surface | Wipe | ICP-AES | 225-2414 225-2415 |
| OSHA ID 121 | Active (pump) | AA or AES | 225-3-01 225-508 225-1 | |
| OSHA ID 125G | Active (pump) | ICP-AES | 225-3-01 225-3100 225-1 | |
| OSHA ID-121 Metal & metalloid particulates in Workplace Atmospheres by AA/AES Method document (opens in a new tab) | Active (pump) | 0.8µm MCE filter in preloaded cassette | 225-3-01 225-1 | |
| OSHA ID-125G Metals & metalloid particulates by ICP -AES Method document (opens in a new tab) | Active (pump) | 0.8µm MCE filter in 25mm or 37mm cassette | 225-3100 225-3-01 225-803 225-8216 225-1 | |
| 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 |
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)