The use of open-circuit water cooling for cooling condensers in research laboratories at USC shall be phased out and ultimately prohibited by Jan. 1, 2024. After the deadline, any observed open-circuit use of water for cooling condensers shall be considered a finding during an EH&S laboratory safety inspection.

The most common cause of avoidable flooding in laboratories arises from open-circuit use of water to cool condensers. This flooding can be easily avoided by using one of the following alternative setups:

  1. Closed-circuit chiller
  2. Air cooling
  3. Recirculating water using a bucket and pump