90742300 - Noise pollution monitoring services

CPV code 90742300 in the EU Common Procurement Vocabulary refers to Noise pollution monitoring services. It sits at level 5 of the CPV hierarchy as a subcategory within the 90 division. This code is nested directly under 90742000, narrowing the broader category into the specific area of noise pollution monitoring services. As a leaf code, 90742300 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 noise pollution monitoring services. Contracting authorities across the EU use 90742300 in TED notices and national procurement portals to signal that a tender relates to noise pollution monitoring services.