Explosions highlight dangers of making hash oil Associated Press Copyright 2013 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Updated 11:39 am, Saturday, March 9, 2013 The explosion is one of a recent number of such incidents involving the manufacturing of hash oil, a potent marijuana byproduct that is extracted with butane from parts of the plant that are often discarded. Disasters from the do-it-yourself drug have been recorded primarily on the West Coast, where states have passed ... Read More