The standard includes several annexes that provide additional information:
ISO 14644 is a multi-part standard for cleanrooms and associated controlled environments. Part 3 (officially titled “Cleanrooms and associated controlled environments — Part 3: Test methods”) specifies the testing procedures to prove that a cleanroom meets the required classification ISO 14644-1. iso 146443pdf 2021
The standard covers:
The 2019 edition replaced the previous ISO 14644-3:2005. The 2019 version introduced significant updates, including new test methods for Airborne Molecular Contamination (AMC) and revised guidance for filter leakage testing. Removal of obsolete methods (e
If you are updating your quality system to the “2021” interpretation of ISO 14644-3, follow these steps: ISO 14644 is a multi-part standard for cleanrooms