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Technical and IT Governance
ISO 14644
| ISO 14644 |
| Summary | Cleanrooms and associated controlled environments |
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| Description |
ISO 14644 sets internationally recognised standards of cleanliness for data centre, computer rooms and other controlled environments. The standard covers aspects of cleanliness as well as methods for testing compliance, test methods, design/constructions/startup considerations. Classification ratings have been established in section 1 enabling environments to conform to different levels of cleanliness. Classification (class 1 to 9) include ratings ased on the Maximum Number of Particles in Air (particles in each cubic metre equal to or greater than the specified size), ranging from 5μm (micrometer: a millionth of a metre) in diameter down to 0.1μm in diameter. Typically data centres need to maintain cleanliness to achieve ISO Class 8 or 9 standards. These ratings demand 3.52 million 0.5μm particles per cubic metre for Class 8 with tighter requirements for Class 9. The standard is structured with the sections being enhanced since inception in 1999 to cover new and more details aspects of cleanliness including:
ISO 14644-1:1999 Classification of air cleanliness ISO 14644-2:2000 Specifications for testing and monitoring to prove continued compliance with ISO 14644-1 ISO 14644-3:2006 Test Methods ISO 14644-4:2001 Design, construction and start-up ISO 14644-5:2004 Operations ISO 14644-6:2007 Vocabulary ISO 14644-7:2004 Separative devices (clean air hoods, gloveboxes, isolators and mini-environments) ISO 14644-8:2006 Classification of airborne molecular contamination Further information on the standard is available at http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm'csnumber=25052 |
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