Lasair, Lasair 3, particle, moisture analyzer, TOC standards, Ionisation system, ionisation, cleanroom, cleanroom class, nano particle counter, particle counter, spectrometer, particle spectrometer, contamination, disinfectants, disinfection, particle monitoring, validation, pharmaceutical, calibration, mass spectrometer, air sampler, Annex 1, particle sensor, ESD, total organic carbon, ESD management, GMP, airsampler, GMP monitoring, nano particlecounter, biological indicators, calibration, ionization, cleanroom monitoring, cleanromm classes, monitoring system