---
title: "Crocidolite fibers (12001-28-4): sampling methods"
url: https://analyt-mtc.com/tools/hazard-search/crocidolite-fibers-12001-28-4/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/crocidolite-fibers-12001-28-4/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/crocidolite-fibers-12001-28-4/
---

Hazard search

# Crocidolite fibers

CAS number

12001-28-4

Also known as

Crocidolite fibers (see asbestos fibers)

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 7400** | Active (pump) |  | PCM | [225-321](https://analyt-mtc.com/catalog/product/bestchek-asbestos-cassettes/#part-225-321) / [225-326](https://analyt-mtc.com/catalog/product/bestchek-asbestos-cassettes/#part-225-326) / [225-321A](https://analyt-mtc.com/catalog/product/bestchek-asbestos-cassettes/#part-225-321a) / [225-327](https://analyt-mtc.com/catalog/product/bestchek-asbestos-cassettes/#part-225-327) |

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 Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)](https://international.skcinc.com/sampling-guides/)