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News Release from: BSI British Standards | Subject: BS EN ISO 14664-8:2006
Edited by the Processingtalk Editorial
Team on 10 July 2006
Manage cleanrooms and controlled
environments
A new BSI standard supports the management and control of cleanrooms and other associated controlled environments
In industries where the manufacture or handling of items such as medical devices and microelectronic products requires high levels of contamination control and classification of even the smallest particle or airborne molecular contaminant - a pristine cleanroom environment is required Cleanrooms are enclosed spaces where the air quality is managed to reduce dust, microbes, and other airborne contaminants to minimal levels
This article was originally published on Processingtalk on 24 Jul 2006 at 8.00am (UK)
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To support the management and control of such environments, BSI is pleased to announce the publication of a new standard.
This is BSI Standard - BS EN ISO 14664-8:2006: Cleanrooms and associated controlled environments.
Classification of airborne molecular contamination 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).
It provides a protocol to include test methods, analysis and time weighted factors within the specification for classification.
Molecular contamination is a three-step event.
The first step is generation due to external sources, process leakage or construction or human material outgassing.
The second step is transport as AMC in air.
The third step is sorption on the sensitive surface, which can be quantified as surface molecular contamination (SMC).
Registered as ISBN 0 580 48299 5, the standard is priced at GBP98, or GBP49 for BSI Subscribing Members.
BS EN ISO 14644-8:2006 is one of a series of standards concerned with cleanrooms and contamination control.
Many factors besides AMC need to be considered in the design, specification, operation and control of cleanrooms and other controlled environments.
These are covered in some detail in other parts to the standard.
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