Texas. At least 581 people were killed when more than 2,000 tonnes of the chemical detonated on-board a ship which had docked in the port More recently, an explosion involving ammonium nitrate and ...

Some were injured by the impact of the explosion, others, by falling debris. Many suffered from ammonia inhalation. Two 15-thousand ton refrigerated ammonia storage tanks were ruptured.

In April 2003, an explosion at the same plant "caused a massive release of aqua ammonia," or ammonia solution in water, according to an investigation from the U.S. Chemical Safety and Hazard ...