EN ISO 14644-8:2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Cleanrooms and associated controlled environments - Part 8: Classification of airborne molecular contamination (ISO 14644-8:2006)
02-28-2007
08-15-2006
ISO 14644-8:2006 covers the classification of airborne molecular contamination (AMC) in cleanrooms and associated controlled environments in terms of airborne concentrations of specific chemical substances (individual, group or category) and provides a protocol to include test methods, analysis and time weighted factors within the specification for classification.ISO 14644-8:2006 currently considers only concentrations of AMC between 100 and 10?12 g/m3 under cleanroom operational conditions.ISO 14644-8:2006 is not relevant for application in those industries, processes or production, where the presence of airborne molecular substances is not considered a risk to the product or process.It is not the intention of ISO 14644-8:2006 to describe the nature of airborne molecular contaminants.ISO 14644-8:2006 does not give a classification of surface molecular contamination.
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