Quote:
Originally Posted by Cafarca
This summer a strange slightly sweet chemical smell started coming through the air conditioner (both heat and cold, both recirc and fresh). A kind analytical chemist friend did some air sampling and found xylene, ethyl benzene, di and tri methyl benzene, and ethyl methyl benzene. I'm withholding my opinion about what this is.
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What did he find in his control sample of air that didn't come through the air conditioner?