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Clean Room Validation

Clean Room Validation

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Technician with a particle counter in a GMP cleanroom

Cleanrooms that meet their classification

Our cleanroom validation services assess and ensure compliance with applicable regulatory requirements and ISO 14644-1, maintaining the required environmental conditions and cleanliness levels within cleanroom facilities.

Clean room validation as per ISO 14644-1

Five tests confirm that the cleanroom's air supply, filters and cleanliness level meet its specified classification under ISO 14644-1.

Test 01 Air Velocity Testing Assesses HEPA filter face velocity.
Test 02 Filter Integrity Testing (PAO) Verifies the integrity of HEPA filter media and housings for potential leakage.
Test 03 Airborne Particle Count Testing Determines the cleanroom classification under both "at-rest" and "operational" conditions.
Test 04 Airflow Visualisation (Flow Pattern) Testing Uses high-purity foggers to assess airflow patterns within the cleanroom.
Test 05 Area Recovery Testing Determines the time the HVAC system needs to restore the specified cleanliness level after a controlled aerosol challenge.

The results are documented and compiled into a comprehensive validation report, providing supporting evidence of the facility's compliance with its specified cleanroom classification and applicable requirements.

360 degree smoke study

A 360 smoke study, also called a multi-angle smoke study, uses a fogger and a multiple-camera recording system to visualise and assess airflow patterns within sterile areas. The generated smoke follows the airflow pattern, including the downward movement of air under laminar airflow conditions, so the direction and behaviour of the airflow can be seen.

Recording simultaneously from cameras at different positions gives a comprehensive visual assessment of airflow patterns, supporting the evaluation of airflow uniformity and of potential turbulence or airflow disruptions.

Compressed air and nitrogen gas testing

We assess the quality of utility gases used in cleanroom environments and their suitability for applications involving potential product contact. Testing evaluates critical parameters against applicable quality specifications and contamination control requirements, and helps identify potential sources of contamination.

  • Airborne particulate levels
  • Microbial bioburden
  • Moisture content and dew point
  • Residual hydrocarbon and oil mist

Instruments

Airborne particle counters Cleanroom Monitoring View products Digital aerosol photometer Digital Aerosol Photometers View products Fogger for airflow visualisation Tracer Particle Generator View products

Related pages

Smoke Study Project & Review Facility Qualification Utility Validation

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