The ACMCC reference centre sited at LSCE for on-line measurement of the chemical composition of fine aerosol particles within the ACTRIS network, welcomes teams from 7 European countries for a new intercomparison campaign of advanced on-line automated analysers of the fine aerosol chemical composition. This year, 7 mass spectrometers (incl. 5 Quad-ACSM, 1 Tof-ACSM, and…