---
title: "Ammonium chloride (fume) (12125-02-9): sampling methods"
url: https://analyt-mtc.com/tools/hazard-search/ammonium-chloride-fume-12125-02-9/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/ammonium-chloride-fume-12125-02-9/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/ammonium-chloride-fume-12125-02-9/
---

Hazard search

# Ammonium chloride (fume)

CAS number

12125-02-9

Also known as

Sal ammonium

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 10 mg/m³ |  |
| 15-minute STEL | 20 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)](https://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs14-4.pdf) | Active (pump) | IOM & MCE filter | GR, IC-ECN | [225-70A](https://analyt-mtc.com/catalog/product/haz-dust-7204-particulate-monitor/#part-225-70a) / [225-1930](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-1930) |
| **OSHA 188** / Ammonium by IC / [Method document (opens in a new tab)](http://www.osha.gov/dts/sltc/methods/inorganic/id188/id188.html) | Active (pump) | 0.8µm MCE filter in cassette |  | [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |
| **OSHA ID 188** | Active (pump) |  | IC-CD | [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-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)](https://www.skcltd.com/hazard-search.html); [SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)](https://international.skcinc.com/sampling-guides/)