ePT--the Electronic Newsletter of Pharmaceutical Technology
The International Organization for Standardization (ISO, www.iso.org) has formally issued and published standard ISO 4644-8:2006, Cleanrooms and associated controlled environments-Part 8: Classification of airborne molecular contamination. The document 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.