The core activity of ac2Qualifications SA is the qualification, validation, consulting, planning assistance and calibration of clean rooms and controlled environments, particularly in the following areas: Clean room and separate equipment qualification, Temperature and humidity measurements, Testing of compressed gases, Hospital inspections, Tightness testing of ventilation ducts, Hygiene control of ventilation ducts, Metrology and calibration, Monitoring systems, Expert consulting and training, and Performance of DQ-IQ-OQ-PQ tests (Design Qualification, Installation Qualification, Operation Qualification, Performance Qualification).