DIN Standards Committee Heating and Ventilation Technology and their Safety
ISO 14644-1
Cleanrooms and associated controlled environments - Part 1: Classification of air cleanliness by particle concentration
Reinräume und zugehörige Reinraumbereiche - Teil 1: Klassifizierung der Luftreinheit anhand der Partikelkonzentration
Responsible national committee
NA 041-02-21 AA - Cleanroom technology (Mirror committee CEN/TC 243 and ISO/TC 209)
Responsible international committee
ISO/TC 209 - Cleanrooms and associated controlled environments