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

Membership of the Chemical Hazards Communication Society should bring the following benefits:

  • opportunity to exchange personal views on chemical hazards communication free of any constraint of business, trade or other association, or governmental policy

  • opportunity to learn through discussion with others involved in chemical hazards communication through regular meetings and seminars. Including interpretation of regulations and information on sources of advice and assistance

  • opportunity to put forward your training requirements in an organised way

  • demonstrates to employer (or potential employer) your personal commitment to improvement of your knowledge in this area

  • increased awareness of the chemical hazards communication profession by employers, whether government institution, business, or trade or other association

  • access to events, training, conferences and meetings organised by US-based Society for Chemical Hazard Communication (SCHC). (See our SCHC web page for more details)

  • access to the Members area of this website giving you:
    • CHCS reports, presentations from events, recordings of webinars, papers
    • News Briefings
    • List of useful software and resources 
    • Glossary Of Acronyms and Abbreviations Used In Chemical Hazard Communication

    • AGM Minutes

    • Information on the REACH Regulation, including additional information

    • Information on the CLP Regulation
    • Newsletters

    • Other information including results of CHCS surveys, CHCS Council and sub-group membership details, ‘membership list’, and EH40 IOELV & ILV information.

Joining CHCS

Simply visit the Join CHCS page of this website and complete the online form. We'll confirm your membership when we've checked through your application and received payment of our membership invoice. That's all there is to it!

CHCS Constitution

You can download the latest CHCS Constitution as a PDF by clicking on this link: 


CHCS News


ECHA Updates Poison Centre Guidance
The European Chemicals Agency (ECHA) have updated their poison centres guidance document. Now on Version 4.0 the updated document gives information on some of the sector specific workability challenges. CHCS members can read more on our News Briefings page. [Posted on 6 April 2021]

CHCS' March 2021 Newsletter is now available, containing important updates on the many recent changes to regulations. See CHCS March 2021 Newsletter. [Posted on 31 March 2021]

Updates to ECHA's Brexit Pages & Q&As
ECHA have updated their Brexit pages and Q&A as well as the guidance on Labelling & Packaging and Annex VIII to CLP. CHCS members can read more on our News Briefings page. [Posted on 17 March 2021]

New CHCS Webinar: “Brexit - Do You Know What You Don't Yet Know?”
Thursday 1st April 2021, 14:00 BST. Free-of-charge for members of CHCS, BADGP and SCHC. Visit the Brexit webinar web-page for more details and to register. [Posted on 7 March 2021]

Update From HSE On UK REACH
HSE have published a detailed update on UK REACH with several very useful links. CHCS members can read more on our News Briefings page. [Posted on 5 March 2021]

The GB Mandatory Classification and Labelling (MCL) List includes decisions made in the 14th and 15th ATPs to the EU-CLP Regulation, which are not yet required to be complied with.
CHCS members can read more on our News Briefings page. [Posted on 1 February 2021]

Update to Canada GHS (Aligned with 7th Edition)
Regulations Amending the Hazardous Products Regulations (GHS, Seventh Revised Edition) and the Order Amending Schedule 2 to the Hazardous Products Act were published in the Canada Gazette, Part I on December 19, 2020.
CHCS members can read more on our News Briefings page. [Posted on 26 January 2021]

UK Exit Of EU: Resources To Help As Transition Period Ends
CHCS members can read more on our News Briefings page. [Posted on 11 December 2020]

End Of UK Transition Period – HSE Podcasts Series

HSE is hosting a series of podcasts over the coming months to provide more information on the changes to how chemicals will be regulated from 1 January 2021. CHCS members can read more on our News Briefings page. [Posted on 9 December 2020]

Second Amendment Of Annex VIII of CLP (Poison Centres) Is Published

The second amendment to Annex VIII to CLP, concerning poison centres was published in the Official Journal on 13 November 2020 and entered into force on 14 November 2020. CHCS members can read more on our News Briefings page. [Posted on 23 November 2020]

New "Brexit" Web Pages 
As the end of the transition period is nearly upon us (31 December 2020), and we are starting to learn more about the changes to our own regulations and our future relationships with the EU, we are pleased to present you with several new web pages on specific Brexit-related topics. Please visit our website Brexit page. [Posted on 13 November 2020]

Poison Centre Portal Updated 
The poison centre portal has recently been updated to support amended Annex VIII solutions. In particular, derogations for fuels, construction products (standard formulas) and the cross-sector concept of interchangeable components. CHCS members can read more on our News Briefings page. [Posted on 30 October 2020]

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
  • 24 August
    Member States Slowly Starting To Use The New Portal

  • 22 June 2020
    Option To Anonymise The Unique Formula Identifier (UFI)

  • 26 May 2020
    New ECHA CLP Guidance Documents Published

  • 19 May 2020
    Draft Regulation Amending Article 25 Of CLP

  • 23 April 2020
    Draft Second Amendment to Annex VIII of CLP

  • 23 April 2020
    Reminder: 13th ATP to CLP applicable from 1st May 2020

  • 23 March 2020
    Multilateral Agreements For ADR & RID

      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. 

      OTHER CHCS EVENTS

      • Other events are in preparation. Please visit again soon.

      HOW TO JOIN CHCS

      CHCS Membership is open to any person with an interest in chemical hazard communications. You can join by completing the simple on-line form at Join CHCS.

      Contact CHCS

      • General, membership, events, training, invoices, payments, etc. enquiries:

        enquiries@chcs.org.uk, tel: + 44 (0) 333 210 2427

      See full CHCS Contact Details.

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