Facility environment is maintained by routine practices (e.g. sanitation and control of voice in animal rooms) and engineering setting (e.g. setting of ventilation and lighting system). The following monitoring practices aim at timely detection of error affecting quality of laboratory animals and animal well-being.
Contact plate/swab bacterial and fungal colony count
Air in barriers
CFU count on settle plates or volumetric samples
Temperature and humidity
Suspicious source of ultrasound in area holding species sensitive to ultrasound are scanned by ultrasound detector. Suspicious devices include new electronic/electric equipment and equipment with metallic joins or sliding parts.
Daily inspection on door gaps.