SCIENCE POTPOURRI
'(<a href="http://www.j-archive.com/media/2004-06-17_DJ_25.wmv">Sarah of the Clue Crew burns one in from Volcanoes National<br />Park, Hawaii.</a>)  Volcanic fumes can be hazardous to your health: they contain sulfuric acid, glass particles & this, HCl'
hydrochloric acid