Pork Magazine Investigators have determined that ammonium nitrate was the cause of the explosion at a West, Texas, fertilizer plant last month that left 14 people dead...
The Nation. Investigators are blaming ammonium nitrate for the massive explosion that devastated most of the town of West, Texas, on April 17. The chemical , which was stored in large amounts at the West Fertilizer Co., is used to make fertilizer. It's also used by ... and more »