From: US GAO Watchblog
Last year, a fire set off a tragic explosion at a fertilizer storage and distribution facility in West, Texas. The explosion killed and injured many people and severely damaged nearby houses and other buildings, including schools. While the investigation that followed was unable to identify the cause of the initial fire, it determined that the explosion involved the chemical ammonium nitrate. We recently recommended steps certain federal agencies should take to more safely manage this chemical.
Excerpted from GAO-14-274
Uses and Risks of Ammonium Nitrate
Ammonium nitrate has many uses, including: