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ISO Cleanroom Classification

Issued by ISO

Standard

Audit Scope

Air cleanliness classification per ISO 14644-1. Particle count limits per cubic meter at specified particle sizes.

What It Proves

Manufacturing area meets ISO 14644-1 particle count specifications for the stated class level.

What It Does Not Prove

ISO Class 8 is the LEAST stringent cleanroom classification (equivalent to a controlled environment). Pharmaceutical manufacturing typically requires Class 5-7. Class 8 is a hygiene improvement over open production but not a high-level cleanroom.

How Vendors Report It

You may see this listed as:

ISO Class 8 Cleanroom

Vendors Listing This Certification

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