Welcome to the OPCW!

Thanks for visiting our website. By using our website, you are agreeing to these terms. Please read them carefully.

The Organisation for the Prohibition of Chemical Weapons (OPCW), located at Johan de Wittlaan 32, 2517 JR, The Hague, Netherlands, provides and maintains the OPCW website to enhance public access to general information about the OPCW and its activities. We attempt to keep this information timely and accurate and any errors brought to our attention will be corrected as soon as possible. The OPCW cannot, however, guarantee that all information or data on this website is correct. Therefore, the OPCW accepts no responsibility or liability whatsoever with regard to the information or data on this website. Access to, and use of, this website is provided by the OPCW subject to the following Terms and Conditions:

  1. The OPCW hereby disclaims any liability or responsibility arising from the use of information or data contained on this website, including any inappropriate, improper or fraudulent use of information or data provided to users.
  2. The OPCW, members of its staff, its contractors and its employees shall not be liable for any financial or other consequences whatsoever, arising from the use of information or data contained on this website, including the inappropriate, improper or fraudulent use of such information or data.
  3. Information or data contained on this website shall not be reproduced or used for commercial purposes.
  4. The OPCW provides to users of this website information which the OPCW deems, on the basis of its own criteria and in its sole and complete discretion, to be appropriate for disclosure.
  5. Information or data provided sometimes refers to external websites over which the OPCW has no control and in respect of which it disclaims all liability.
  6. The consultation and/or use of this website shall automatically constitute full acceptance of these Terms and Conditions.

We use data to build a better website experience for our users.

The information we collect helps to ensure our website is working as intended, such as troubleshooting issues or analysing performance. We also use this information to make improvements to our website — for example, understanding which search terms are frequently misspelled helps us improve search results for other users.

How we use cookies and similar technologies

Like many other websites, uses small files called cookies to help improve your user experience. We use both session cookies (which expire once you close your web browser) and persistent cookies (which stay on your device for a set period of time or until you delete them). We use the following types of cookies:

Essential Cookies

These cookies are necessary to allow us to deliver content to your web browser. For example, they let us recognise what features are enabled in your browser settings so we can provide you with the best user experience. These cookies do not hold any information to identify an individual person, but are instead used to identify a browser on an individual device.

If you prefer, you can restrict or block these cookies by changing your browser settings but that may mean that some features on our website won’t work.

Performance and Analytics Cookies

We use these cookies to analyse how is accessed and is performing. We use this information to measure, maintain, operate, and continually improve our website. These cookies can tell us if you have visited our website before, allowing us to measure how many individual users we have, and how often they visit the site. These cookies do not collect information that identifies you; all of the information that these cookies collect is aggregated and therefore anonymous.

Functional Cookies

These cookies allow our website to remember choices you make while browsing our website, such as language preference and multimedia player settings, so they do not have to be set each time you return to the site. The information that these cookies collect do not personally identify you, and cannot track your browsing activity on non-OPCW websites.

Third-Party Cookies

Our website contains links to social media sites including Facebook, and Twitter that enable users who are logged in to social media services to share content via that service. When you share a page using a social media sharing button (for example, Facebook) from, the social media site may generate a cookie. Since the cookie policies of these companies change over time, you should review their policies by visiting the privacy policy pages of these websites directly.

Web Beacons

We use web beacons (invisible images often referred to as pixel tags or clear GIFs) on our website in order to recognise users, assess traffic patterns, identify preferred content and measure website engagement. We also include web beacons in our e-mail distribution campaigns to count how many e-mail messages have been opened. All of the information that these becons collect is aggregated and therefore anonymous.


All rights reserved. None of the materials provided on this website may be used, reproduced or transmitted, in whole or in part, in any form or by any means, electronic or mechanical, including photocopying, recording or the use of any information storage and retrieval system, except as provided for in the Terms and Conditions, above, without permission in writing from the OPCW. To request such permission and for further enquiries, contact OPCW Public Affairs.

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