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ISO 14644-1:1999, Cleanrooms and associated controlled environments -- Part 1: Classification of air cleanliness | 
 enlarge | Author: Iso Tc 209/wg 1
Publisher: Multiple. Distributed through American National Standards Institute (ANSI)
Category: Book
Buy New: $102.00
Sales Rank: 2163178
Media: Paperback
Pages: 24
Shipping Weight (lbs): 0.2
Dimensions (in): 10.5 x 8.3 x 0.1
ASIN: B000XYTJOG
Publication Date: August 23, 2007
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Product Description
This part of ISO 14644 covers the classification of air cleanliness in cleanrooms and associated controlled environments exclusively in terms of concentration of airborne particles. Onlyparticlepopulationshavingcumulativedistributionsbased on threshold (lower limit) sizes ranging from 0,1 #x3bc;m to 5 #x3bc;m are considered for classification purposes.This part of ISO 14644 does not provide for classification of particle populations that are outside of the specified particle size range, 0,1 #x3bc;m to 5 #x3bc;m. Concentrations of ultrafine particles (particles smaller than 0,1 #x3bc;m) and macroparticles (particles larger than 5 #x3bc;m) may be used to quantify these populations in terms of U descriptors and M descriptors, respectively.This part of ISO 14644 cannot be used to characterize the physical, chemical, radiological, or viable nature of airborne particles.
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