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Who processes your personal data using cookies and similar technologies?

OVAM, SPW and Brussels Environment attach great importance to the protection of personal data and privacy. We work on interactive services adapted to your needs. This website uses cookies and similar technologies to make this possible. Below we tell you what cookies and similar technologies we use and why we use them. We also explain how you, as a user, can control their use.

This Cookie Statement reflects the general policy on the processing and protection of data when using cookies and similar technologies of: 

  • For the Flemish Region: The internal autonomous agency with legal personality Openbare Vlaamse Afvalstoffenmaatschappij (OVAM) with registered office at Stationsstraat 110, 2800 Mechelen and company number 0842.399.963;
  • For the Walloon Region: The General Secretariat of the Public Service of Wallonia (SPW), whose head office is located at Place de la Wallonie (JB), 1, 5100 Namur and whose company number is 0316.381.138;
  • For the Brussels region: Brussels Environment, whose registered office is located at Havenlaan 86C bus 3000 (Tour & Taxis site), 1000 Brussels and whose company number is 0236.916.956, represented by Barbara DEWULF, Deputy Director General and Frédéric FONTAINE, Director General.

If you have general questions about the use of cookies and similar technologies, comments or suggestions, or if you wish to exercise your rights, you can contact the Data Protection Officer (DPO) by e-mail:

How can you restrict, refuse or delete the use of cookies?

As a visitor, you can restrict, refuse and delete cookies in several ways:

  • Navigate in incognito mode;
  • Configure your browser settings;
  • Install extensions or add-ons; and
  • Use a browser that protects your privacy.

When you disable cookies, some graphics may not be displayed correctly and you may not be able to use certain features. 

1.  Navigate in incognito mode

One way of browsing is the "incognito mode", available in the most common browsers for PCs or mobile devices (such as Edge, Internet Explorer, Chrome, Firefox, Safari and Opera).

These browsers delete browsing data (password, cookies, forms, cache contents and the various history lists) when you close the browser. This prevents tracking data about your browsing habits from being stored on your computer (or mobile device) when you stop browsing. Incognito mode does not prevent cookies from being stored and read while you are browsing, nor does it erase tracking data left over from previous Internet sessions. You can use other options offered by browsers for this purpose.

2.  Configure your browser settings

In the browser's configuration settings, you can permanently allow the storage and subsequent reading of cookies on your device or permanently refuse it. The specificity of this choice (third party cookies, first party cookies, retention period, etc.) depends on the browser and operating system used.

This choice will not affect the information already stored, but it may affect the login details of some websites, which will render some functions inoperative and require reconnection to those websites or logging in again.

You can also delete browsing data that is already on your device (including cookies) in your settings.

Depending on the browser, it is possible to delete data according to age, type and/or website visited. It is not possible with all browsers to obtain a detailed overview of the stored cookies and to delete them individually.

Some provide additional explanations:

●     Google Chrome;

●     Microsoft Internet Explorer;

●     Microsoft Edge;

●     Mozilla Firefox;

●     Apple Safari;

●     Opera;

●     …

3.  Installing extensions or add-ons

You can install extensions and add-ons on your computer that you can access through your browser to help you manage cookies and other trackers and prevent privacy violations.

4.  Use of a browser that protects the privacy of users 

On mobile devices (Android and iOS), you can install a browser that better protects your privacy (a privacy browser).

When do we process your personal data using cookies and similar technologies?

We process your personal data through cookies and similar technologies when you use our website or mobile application, when you use services or contact us. We set and manage functional cookies when you first visit the website. 

What data do we process about you?

We collect your personal data using cookies and similar technologies. This is data that allows us to identify you directly or indirectly. As this data is considered personal data, the information (including your various rights) set out in the privacy statement is fully applicable to the processing by cookies and similar technologies. Click here for the privacy statement.

How do we obtain your consent?

We do not use non-functional cookies. We only use functional cookies. Functional cookies are consent-free. For functional cookies, the visitor gives implicit consent to their use.

How do you exercise your rights?

For a full and general explanation of how to exercise your rights, please refer to the privacy statement. See here for more information.


Cookies are small data or text files that are installed on your computer or mobile device when you visit a website or use a (mobile) application. The cookie file contains a unique code that allows your browser to be recognised by the website or application when visiting the online service or on subsequent repeated visits. Who sets these cookies? The servers of the websites or applications you visit or the servers of third parties who may or may not cooperate with this website or application.

Cookies generally facilitate your interaction with the website or application. They can also help you navigate (more quickly) between different parts of a website or application.

Types of cookies?

Functional and non-functional 

First of all, we make a distinction between functional and non-functional cookies. The distinction is important, as you must authorise one and not the other. Functional cookies are permission-free. In contrast, non-functional cookies require free, specific, informed and prior consent.

Functional cookies:

Popularly known as strictly necessary, essential or functional cookies:

  • These are the cookies that are: 
      • strictly necessary for the performance of the communication between you and the website or application; and 
      • necessary for the performance of an information society service.
      • Examples of functional cookies include user input cookies, authentication cookies, security cookies, user interface customisation cookies, flash cookies, load balancing cookies, etc. 
Non-functional cookies:
  • Analytical cookies (analytical cookies) aim to collect information that allows us to understand the use of the website or application by its users. This can give information about the pages visited, the average duration of a visit, how a visitor arrived on the website, etc. The data generated by the analytical cookies may be anonymous, pseudonymised or identified to the website owner. This depends on the type of cookie used and the settings of the website owner. Some analytical cookies may be considered functional cookies, but this is exceptional.
  • Advertising cookies (tracking, advertising or targeting cookies) collect personal data about the visitor's browsing behaviour in order to build up an online profile of the user of the websites or applications in order to display advertisements or content that fall within the user's sphere of interest. These cookies can be a form of automated decision making. This depends on the specific characteristics of the case.

Who sets them?

Secondly, in the use of cookies, a distinction can be made depending on which party sets and manages the cookies:

  • First-party cookies are the cookies that the website owner sets and manages and that are specific to the website or application visited. These cookies may transmit personal data to third parties.
  • Third-party cookies are cookies set and managed by a third party on another owner's website, e.g. Facebook, Google, YouTube, etc. These third parties set these cookies when you visit a website or use an application. The data collected by these cookies may be anonymised, pseudonymised or identified to the website owner. This depends on your own settings or those of the third party. Third party cookies allow personal data to be passed on to third parties, either directly (e.g. through an active component linked to a banner or spy pixel) or indirectly through the setting of cookies accessible by websites other than the advertiser's.

How long do the cookies remain active?

Finally, a distinction should also be made with regard to the duration of the cookies:

  • There are temporary and permanent cookies: Temporary cookies (session cookies) are stored temporarily in the browser or application. If you close the browser or application, these temporary cookies are automatically deleted.
  • Persistent cookies remain on your computer or mobile device until they expire, a new version of the cookie is installed or you manually delete them. Do you return to the same website or application? They will then recognise you on the basis of the cookies you have previously set.

What cookies and similar technologies do we use on this website?

Below is a detailed list of all types of cookies used by this website:

  • Functional cookie
  • Cookie name: JSESSIONID
  • Purpose: to save the configuration of user settings through page requests.
  • Website: https://www.totem-building.be/
  • Cookie(s) placed by: OVAM, SPW and Brussels Environment
  • Validity: duration of the session

General information

We have the right to change and adapt the cookie statement at any time. We will always announce changes and modifications on the website and they will apply from the moment we announce them.


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