heres a few links to give ya all the info you need on vapourizors
including test study results and other shit
enjoy

http://www.canorml.org/healthfacts/vaporizerstudy1.html

http://www.ukcia.org/research/Vapori...cesToxins.html

this ones a full report of results for tests on chemicals found using the volcano thi link is in the above report to but i put it here aswell

http://www.ukcia.org/research/EvaluationOfVaporizer.pdf