Airborne Particulate Cleanliness Classification definition
Airborne Particulate Cleanliness Classification means the level of cleanliness defined by the maximum allowable number of particles per cubic meter of air as specified in the International Organization of Standardization (ISO) Classification Air Cleanliness (ISO 14644-1). The levels used in these rules are:¶
Airborne Particulate Cleanliness Classification means the level of cleanliness defined by
Airborne Particulate Cleanliness Classification means the level of cleanliness defined by the maximum allowable number of particles per cubic meter of air as specified in the International Organization of Standardization (ISO) "Classification of Air Cleanliness" (ISO 14644-1) for Class 5, Class 7, and Class 8.