This part of ISO 14644 establishes the classification of air chemical cleanliness (ACC) in cleanrooms and associated controlled environments, in terms of airborne concentrations of specific chemical substances (individual, group or category) and provides
DS/EN ISO 14644-8:2013 history
2013DS/EN ISO 14644-8:2013 Cleanrooms and associated controlled environments - Part 8: Classification of air cleanliness by chemical concentration (ACC)