90513500 - Treatment and disposal of foul liquids

CPV code 90513500 in the EU Common Procurement Vocabulary refers to Treatment and disposal of foul liquids. It sits at level 5 of the CPV hierarchy as a subcategory within the 90 division. This code is nested directly under 90513000, narrowing the broader category into the specific area of treatment and disposal of foul liquids. As a leaf code, 90513500 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns treatment and disposal of foul liquids. Contracting authorities across the EU use 90513500 in TED notices and national procurement portals to signal that a tender relates to treatment and disposal of foul liquids.