Wastes
- 13/13.030/13.030.01 Wastes in general
- 13/13.030/13.030.10 Solid wastes
- 13/13.030/13.030.20 Liquid wastes. Sludge
- 13/13.030/13.030.30 Special wastes
- 13/13.030/13.030.40 Installations and equipment for waste disposal and treatment
- 13/13.030/13.030.50 Recycling
- 13/13.030/13.030.99 Other standards related to wastes