The International Organization for Standardization (ISO) has released an updated version of the standard for cleanrooms and associated controlled environments, ISO 14644-1:2021. This standard provides guidelines for the design, construction, and operation of cleanrooms and controlled environments in various industries, including pharmaceuticals, biotechnology, and electronics.
It covers: ✅ Test procedures for ✅ Updated methods for recovery testing, visualization of airflow, and leak detection ✅ Clear guidance on when & how to perform each test
The standard specifies procedures for two types of environments— and non-unidirectional flow —across three occupancy states: as-built , at-rest , and operational . Major test categories include: iso 146443pdf 2021
The paper you are referring to is likely "ISO 14644-1:2021(E) - Cleanrooms and associated controlled environments — Part 1: General principles" or a similar standard from the ISO 14644 series.
edition (and its 2020 corrections) brought several key changes: Major test categories include: The paper you are
The official and most reliable source to purchase the standard is the ISO Store . ANSI Webstore: It is also available via the ANSI Webstore .
A key feature of ISO 14644-3:2019 is its detailed annexes, which provide practical, step-by-step guidance for performing complex tests. These annexes are normative (required) and are essential for proper implementation. A key feature of ISO 14644-3:2019 is its
Looking for the latest methods to test and monitor cleanrooms & controlled environments? ISO 14644-3:2019 (replacing the 2005 version) is your go-to standard.
If you are updating your quality system to the “2021” interpretation of ISO 14644-3, follow these steps:
New procedures for installed filter system leakage testing were introduced, including updated acceptance criteria.