☆Are there any signs or conditions in your fume hood?
 

• The smell of the chemicals in the room got worse.

 
The following accidents have occurred as a result of not taking precautions and leaving it alone.
 
『Hazardous substances generated during experiments in the hood could not be collected by the scrubber (filter) and leaked from the exhaust tower to the outside.
There were no casualties.』
 
This may cause health problems to passersby around the building in the university, and there is a possibility that it may lead to environmental pollution.
The probability of this accident occurring may be reduced by doing the following actions.