Verifying and supporting the correct implementation of air quality directives, byimplementing a quality system in the laboratoryapproving measurement systems: instruments, laboratories, networks (e.g. the equivalence test sheet, v. 2.9)ensuring the traceability of the measurements at national level, by providing/certifying reference materials to networksorganising intercomparisons/round robin tests at national levelparticipating in European Commission quality assurance/quality control programmes (see official AQUILA position N 37 or organisation of intercomparison exercises) and supporting the organisation of such programmes (see Standard operating procedure for sampling for the organic and elemental carbon measurement intercomparison)exchanging information through the organisation of training sessions, workshops, conferences and guidance documents (e.g. Guide to the demonstration of equivalence of ambient air monitoring methods)Related linksNational air quality reference laboratories and the European network - AQUILA: Roles and requirements
