Cleanroom & Calibration

A guide to clean room certification: requirements, tests, process, standards and how to get certified.

A complete guide to clean room qualification: the IQ, OQ and PQ stages, key tests, standards and procedure.

A complete guide to cleanroom validation: the process, key tests, standards, frequency and how to choose a provider.

A cleanroom is only as clean as its filters. HEPA filter integrity testing confirms that a high-efficiency filter — and the seal around it — is actually stopping the particles it is meant to. Two aerosol methods dominate the field: the DOP test and the PAO test. This guide explains how HEPA filter integrity testing…

“Do we need qualification or validation?” is one of the most common questions facility teams ask — and the answer matters for compliance. Understanding cleanroom qualification vs validation helps you commission new spaces correctly and keep existing ones audit-ready. This guide explains what each term means, how they differ, which one your facility needs, and…

Clean room testing is the on-site measurement of a controlled environment’s performance — the work that confirms a cleanroom still meets the cleanliness classification it was designed for. For pharmaceutical plants, hospitals, laboratories and precision-manufacturing units, regular testing turns “we think the room is clean” into documented, audit-ready proof. This guide explains what the process…