90731700 - Carbon dioxide monitoring services

CPV code 90731700 in the EU Common Procurement Vocabulary refers to Carbon dioxide monitoring services. It sits at level 5 of the CPV hierarchy as a subcategory within the 90 division. This code is nested directly under 90731000, narrowing the broader category into the specific area of carbon dioxide monitoring services. As a leaf code, 90731700 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 carbon dioxide monitoring services. Contracting authorities across the EU use 90731700 in TED notices and national procurement portals to signal that a tender relates to carbon dioxide monitoring services.