هيئة المواصفات والمقاييس العربية السورية
The Syrian Arab Organization For Standardization & Metrology
4008
13.040.35
49
National - Accredited - mandatory
new
Metrology
2022-05-16
2022-11-16
Cleanrooms and associated controlled environments Part 1: Classification of air cleanliness by particle concentration
This part of Syrian National standard specifies the classification of air cleanliness in terms of concentration of airborne particles in cleanrooms and clean zones; and separative devices as defined in S.N.S4008-7
ISO 14644-1:2015