CHCS  Chemical Hazards Communication Society  Promoting the awareness of chemical hazards & improvements in their identification & communication

EH40 Occupational Exposure Limits

The list of Workplace Exposure Limits (WELs) can be found at: www.hse.gov.uk/pubns/books/eh40.htm.

Note: Prior to 2005 it had been normal for the Health and Safety Executive (HSE) to publish a new edition of EH40, or at least an amendment, each year. However with increasing use of the website facilities the HSE no longer always publishes a revised hardcopy edition, or amendment.

In 2006 HSE produced an addendum to the 2005 list, a hard copy of which was posted to all known recipients of the 2005 publication. Those changes have been incorporated into EH40.

In mid 2007 further amendments to some values were agreed, and these have been incorporated into Table 1 of EH40 and should have been sent to all prior purchasers.  These amended entries came into force on 1 October 2007.  

A consolidated update was published in October 2007.

The hard copy edition of EH40 which was published in 2005 (EH40/2005) unfortunately resulted in the loss of some very useful information.

The data lost from the 2005 edition of EH40 can be summarised as follows:

  1. the column in which the references to European Community Workplace Exposure Limits (IOELVs and ILVs) were annotated;
  2. the CAS number index.

The first gives problems for SDS writers as now reference will need to be made to the official European lists in order to determine whether an ingredient within a product needs to be listed in Section 2 of the SDS for the reason of having a Community workplace exposure limit. Remember it is only the EC-set values that are relevant here, not the local country lists.

EH40 was then updated and republished in 2011 and took into account the new substances and workplace exposure limits (WELs) introduced in 2007 and 2011.

Indicative Occupational Exposure Limit Value (Community Workplace Exposure Limits) - IOELV and & Indicative Limit Value - ILV tables

The EU have published four lists of IOELV values, the fourth of which changed 5 previous values and added 26 new substances.

So, as a service to those writing SDSs, CHCS is making available the following documents as PDF files.

The first of these files is provided courtesy of Stuart Longworth (Sankey Safety Consultants) and is only available in the Members Area, whilst the latter file was provided courtesy of HSE.

Details of the Community Exposure Limits can be found in the following Directives:

ILVs

- Commission Directive 91/322/EEC of 29 May 1991

- Official Journal L 177, 05/07/1991, pages 22 – 24

IOELVs 1

- Commission Directive 2000/39/EC of 8 June 2000

- Official Journal L 142, 16/06/2000, pages 47 – 50

IOELVs 2

- Commission Directive 2006/15/EC of 7 February 2006

- Official Journal L 38, 09/02/2006, pages 36 – 39

IOELVs 3

- Commission Directive 2009/161/EU of 17 December 2009

- Official Journal L 338, 19/12/2009, pages 87 – 89

IOELVs 4

- Commission Directive (EU) 2017/164 of 1 February 2017

- Official Journal L 27, 01/02/2017, pages 115 - 120

The Official Journal Website address is:

From there you can either get direct access to the current issues by clicking on “Official Journal” or carry out a search on earlier issues by clicking on “Simple Search”.


 

 CHCS Training

CHCS offers Modular Training Courses on the writing of Safety Data Sheets (SDSs), and related issues such as classification, labelling and other documentation.

For more information see CHCS Training

If you have any queries about our training, please Contact CHCS.

Chemicals Legislation Support From CHCS

We provide a range of pages on this website to give you an introduction to different aspects of chemicals legislation / regulation:

Legislation (Introduction) Brexit Transport: Modal Regulations
International Legislation GHS Pictograms Transport: Model Regulations
European Legislation EU Law Making Process Transport: UK Requirements
UK Legislation EH40  

For CHCS members only: 

   
REACH Regulation Prior Informed Consent (PIC) Seveso III Directive
CLP Regulation The Cosmetics Regulation Tracking Substances
EH40    


Page updated December 2019


CHCS News


14th ATP Published
The 14th ATP has just been published, including the controversial titanium dioxide classification, which will apply from 9th September 2021. CHCS members can read more on our News Briefings page[Posted on 18 February 2020]

Third Corrigendum To ADR 2019 Published
A third corrigendum to ADR 2019 has been published is available for download from the UNECE website. CHCS members can read more on our News Briefings page[Posted on 10 February 2020]

CHCS 2020 AGM & Annual Industry Lectures

Our annual event will take place:

on: Wednesday 25 November 2020

at: Holiday Inn Birmingham Airport

CHCS members free-of-charge. Non-members can Join CHCS, then register.

Register now at: CHCS 2020 AGM & Annual Industry Lectures. [Posted on 30 January 2020]

US-Based Society For Chemical Hazard Communications (SCHC)
We've updated our SCHC web page, to include new SCHC events. Don't forget that CHCS members can access SCHC events at the same rates as their own members (the same for SCHC members at CHCS events). Visit our SCHC web page to find out more. [Posted on 29 January 2020]

Poison Centres - Annex VIII amendment published
Commission Delegated Regulation (EU) 2020/11 amending Regulation (EC) No 1272/2008 of the European Parliament and of the Council on classification, labelling and packaging of substances and mixtures as regards information relating to emergency health response, has been published. CHCS members can read more on our News Briefings page
[Posted on 13 January 2020]

New CHCS Training Course: "SEVESO Directive / COMAH Regulations: Determine whether your site is in scope of the Directive, understand compliance duties for lower tier sites, and get an outline of upper tier duties"
Registration is now open, with discounted "Early-Bird" bookings available until 28 January 2020. Register / Download The Flyer / Find Out More. [Posted on 7 January 2020]

CHCS AGM & Annual Lectures: Presentations Now Available
CHCS members can now download copies of the presentations given at our 8th Annual Lectures on 20 November 2019. Visit our "Past Events" page. [Posted on 21 November 2019]

CHCS October 2019 Newsletter Now Published
Our October 2019 Newsletter is now available, which includes an in-depth, special report titled "Titanium Dioxide - Stakeholders Demand An Impact Assessment". See our CHCS Newsletters page for more details [Posted on 20 October 2019]

Endocrine Disruptors - 1st CHCS Video
We have produced our first video for members: "Endocrine Disruptors", which is available to members free-of-charge.

This introductory video explains the various components of the human endocrine system and how they interact, to help understand the mechanisms of endocrine disruptors on human systems.

The video is just over 10 minutes long.

To register for access to the video, please visit our video registration page: Endocrine Disruptors Video Registration.

[Posted on 1 July 2019]

News Briefings Summary
  • 21 November 2019
    Commission Directive (EU) 2019/1831 Establishes  A 5th List Of Indicative Occupational Exposure Limit Values (IOELVs)

  • 12 November 2019
    ECHA publishes draft CoRAP for 2020-2022

  • 22 October 2019
    GHS Revision 8

  • 21 October 2019
    Model Regulations, 21st Revised Edition

  • 20 October 2020
    IATA Publishes Significant Changes To The 61st Edition Of The Dangerous Goods Regulations

  • 1 October 2019
    Draft amendment to REACH Annex II

  • 30 September 2019
    Poison Centre First Deadline To Be Postponed

  • 23 September 2019
    Updated advice for UK-based companies intending to export chemicals listed in the Prior Informed Consent (PIC) Regulation to EU countries in the period immediately following the UK’s withdrawal from the EU

  • 28 August 2019
    14th ATP To CLP: Outcomes For TiO2, Cobalt & DPTA

  • 22 July 2019
    Draft Amendment To "Poison Centre" Regulations

  • 22 July 2019
    Possible Annex VIII to CLP Extension?

  • 29 June 2019
    Workability Issues: Notification to Poison Centres

  • 24 June 2019
    Eurotunnel publishes 2019 guidance

  • 24 April 2019
    HSE Consultation on revision of Workplace Exposure Limits (WELs) for a range of carcinogens


  • 28 March 2019
    Poison Centre Guidance Document Published

  • 22 March 2019
    Poison Centre Guidance Document Published

  • 23 January 2019
    Links To Guidance & Legislation Recently Laid Before Parliament

  • 23 January 2019
    RPA Seeks Input From Companies In Chemicals Supply Chain To Assess Impacts Of Brexit

  • 11 January 2019
    Preparing For A Potential 'No-Deal' Brexit

    CHCS Members can read these News items, and older posts, on the CHCS News Briefings page.

    Next 3 CHCS Training Courses:

    For a full list of our CHCS Training Courses, please visit our Training page. 

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