90513700 - Sludge transport services

CPV code 90513700 in the EU Common Procurement Vocabulary refers to Sludge transport services. 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 sludge transport services. As a leaf code, 90513700 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 sludge transport services. Contracting authorities across the EU use 90513700 in TED notices and national procurement portals to signal that a tender relates to sludge transport services.