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Revised Cleanroom Standards Incorporate Best Practices for Contamination Control

ISO 14644 series is available now

Published: Thursday, January 28, 2016 - 15:19

(ISO: Geneva) -- Controlling contamination is essential in many manufacturing and research activities. The use of cleanrooms, along with strict and stringent processes, makes this possible. ISO 14644-1:2015 and ISO 14644-2:2015, the recently revised ISO standards for cleanrooms, can help.

Food production, pharmaceuticals, aerospace, and automotive manufacturing are just some of the industries where controlled and classified cleanrooms are essential. Cleanrooms are zones where contaminants in the air are highly controlled. Without effective control, contamination can wreak havoc on products and processes.

ISO has a series of standards dedicated to cleanrooms, outlining the practices and procedures required to manage the risk of contamination. The first two standards in the series have just been updated to take into account the latest technological developments and market requirements.

ISO 14644-1:2015—“Cleanrooms and associated controlled environments—Part 1: Classification of air cleanliness by particle concentration,” and ISO 14644-2:2015—“Cleanrooms and associated controlled environments—Part 2: Monitoring to provide evidence of cleanroom performance related to air cleanliness by particle concentration,” provide the framework for classifying and monitoring the cleanliness of the air in cleanrooms.

David Ensor, chair of ISO/TC 209, the technical committee that developed the standards, which is led by ANSI, the ISO member for the United States, under the administration of the Institute of Environmental Sciences and Technology (IEST), commented: “Cleanrooms enable a large number of modern high-technology industries; therefore, the work of the technical committee will have widespread impact. The two revised ISO standards will improve the ability to quantify and manage airborne particle contamination worldwide.”

The ISO 14644 series is available from your national ISO member or from the ISO Store.


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The International Organization for Standardization (ISO) is the world’s largest developer and publisher of international standards. ISO is a network of the national standards institutes of 162 countries, one member per country, with a Central Secretariat in Geneva, Switzerland, that coordinates the system. ISO is a nongovernmental organization that forms a bridge between the public and private sectors. ISO enables a consensus to be reached on solutions that meet both the requirements of business and the broader needs of society. View the ISO Standards list.