/tags/prof-sandy-dasgupta Prof. Sandy Dasgupta en-US Copyright Fri, 19 Apr 2013 23:24:59 GMT /texas-news/2013-04-19/ammonium-nitrate-was-present-at-west-explosion-site During a tour of West today, U.S. Sen. John Cornyn confirmed that ammonium nitrate was found at the site of the explosion. It’s a fertilizer component… Fri, 19 Apr 2013 23:24:59 GMT /texas-news/2013-04-19/ammonium-nitrate-was-present-at-west-explosion-site Shelley Kofler