2025-08-15 00:00:00 Do you live in Beekdaelen, Brunssum, Eijsden-Margraten, Gulpen-Wittem, Heerlen, Kerkrade, Landgraaf, Simpelveld, Vaals or Voerendaal? Then this app about waste and raw materials is indispensable for you! View your calendar, set an alarm, use your digital pass and stay informed. Everything at Your Fingertips with the Rd4-app With the Rd4-app, all the information you need to manage your waste and resources is right at your fingertips. The app gives you access to your personal waste calendar and sends reminders for when to put out your container. You can easily show your digital card at the recycling center and handle everything through your smartphone. Thanks to the handy waste separation guide, sorting waste becomes even easier.