Because Part 6 was a vocabulary for other parts, it is essential to understand the "cornerstone" standards it supported: INTERNATIONAL STANDARD ISO 14644-2
The standard, titled "Cleanrooms and associated controlled environments — Part 6: Vocabulary," served as a specialized compendium for the terminology used across the entire ISO 14644 series. While it is a critical historical document for understanding the language of contamination control, it was officially withdrawn by the ISO Technical Committee 209. iso 146446 pdf
However, for historical reference or archival research, the withdrawn standard can still be viewed or purchased through specific channels: Because Part 6 was a vocabulary for other
: Each definition in the standard was followed by the specific standard designation and section where that term originated. Status of the ISO 14644-6 PDF Status of the ISO 14644-6 PDF : Its
: Its primary goal was to prevent ambiguity in contract negotiations between buyers and sellers and to ensure a unified language for scientists and engineers worldwide.