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Normas CEN

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EN

CEN/TR 16569:2013

En Vigor
2013-06-26
Automotive fuels - Assessing the effects of E10 petrol on vehicle emissions and performance
 
EN

EN 1793-5:2025

En Vigor
2025-12-24
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - Sound absorption under direct sound field conditions
 
EN

CEN/TR 16013-2:2010

En Vigor
2015-06-12
Workplace exposure - Guide for the use of direct-reading instruments for aerosol monitoring - Part 2: Evaluation of airborne particle concentrations using Optical Particle Counters
 
EN

CEN/TS 16817-1:2015

En Vigor
2025-03-06
Ambient air - Monitoring the effects of genetically modified organisms (GMO) - Pollen monitoring - Part 1: Technical pollen sampling using pollen mass filter (PMF) and Sigma-2-sampler