90522400 - Cleaning and treatment of soil

CPV code 90522400 in the EU Common Procurement Vocabulary refers to Cleaning and treatment of soil. It sits at level 5 of the CPV hierarchy as a subcategory within the 90 division. This code is nested directly under 90522000, narrowing the broader category into the specific area of cleaning and treatment of soil. As a leaf code, 90522400 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 cleaning and treatment of soil. Contracting authorities across the EU use 90522400 in TED notices and national procurement portals to signal that a tender relates to cleaning and treatment of soil.