[log in to unmask] writes:

former  owner had a watch repair business that he ran from his
home.  He used  the benzene to clean watch parts
 
Benzene and other solvents, especially degreasers and dry cleaning  
solvents, are common in beehives, especially in urban areas or near  highways.   
We've many years of data from many areas verifying  this.
 
Levels of benzene in the air inside beehives near a lab complex in  
Maryland exceeded OSHA indoor levels in terms of exposure risk to humans.
 
Jerry

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