Are there any signs or conditions in your fume hood ?
 
 

• Strong chemical odor has gotten worse in the room.

 
The following accidents have occurred as a result of not taking precautions and leaving it alone.
 
『During an experiment in the hood, the odor of the reagent being used leaked to the laboratory and corridor.
 Because the odor of this reagent was similar to the odor of city gas, another laboratory on the same floor reported it as a leak of city gas.
There were no casualties.』
 
 
The following measures can reduce the probability of these incidents, which may cause health problems for the experimenters and other researchers in the room, by taking the following actions.