Today's blood collection and cellular therapy practices require close monitoring of all activities. Best practices involve more than just monitoring refrigerator and freezer temperatures. Speakers in this session will cover general information about environmental monitoring systems (EMS), a blood center experience using an EMS and a cellular therapy production facility experience. Topics covered will include an overview of an EMS, how an EMS works, setting alarm parameters, handling alarms, moving from chart recorders to electronic monitoring, maintenance of an EMS including probe calibration and alarm testing, remotely monitoring and implementation of alarm drills.