Clean Room Classifications (ISO 8, ISO 7, ISO 6, ISO 5)

Clean rooms are classified according to the cleanliness level of the air inside the controlled environment. The clean room class is the level of cleanliness the room complies with, according to the quantity and size of particles per cubic meters of air. The primary authority in the US and Canada is the ISO classification system ISO -1.

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This ISO standard includes these clean room classes : ISO 1, ISO 2, ISO 3, ISO 4, ISO 5, ISO 6, ISO 7, ISO 8 and ISO 9. ISO 1 is the &#;cleanest&#; class and ISO 9 is the &#;dirtiest&#; class. Even if it&#;s classified as the &#;dirtiest&#; class, the ISO 9 clean room environment is cleaner than a regular room.

The most common ISO clean room classes are ISO 7 and ISO 8. The Federal Standard 209 ( FS 209E ) equivalent for these ISO classes are Class 10,000 and Class 100 000.

The old Federal Standard 209E ( FS 209E ) includes these clean room classes : Class 100,000; Class 10,000; Class 1,000; Class 100; Class 10; Class 1. This standard was replaced in by ISO--1. It was withdrawn in , but it is still widely used.

Clean rooms must also follow industry-specific and international standards. For example, EU GMP (A-B-C-D), applies to pharmaceutical products and USP (795, 797 and 800) to compounding pharmacies.

For more information, please visit iso 8 classification.

You might also like this article &#;>How Classification Impacts your Cleanroom Design

Want to learn more about Clean Rooms? &#;>What is a Clean room?

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