---
title: "Boron (7440-42-8): exposure limits and sampling — Analyt-MTC"
url: https://analyt-mtc.com/tools/hazard-search/boron-7440-42-8/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/boron-7440-42-8/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/boron-7440-42-8/
---

Hazard search

# Boron

CAS number

7440-42-8

Also known as

B · Boron (Elements by ICP HNO3 Digestion)

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 7303** / Elements by ICP -AES (Hot block/HCl/HNO3 Digestion) / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/7303.pdf) | Active (pump) | 0.8µm MCE filter in 37mm cassette | ICP-AES | [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) |
| **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](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) |

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/)