Despite a plethora of rules regulating ammonium nitrate, the chemical has become the most common explosive used in terror ...

Boley told police he would order ingredients online, such as potassium perchlorate and aluminum powder, which create “flash powder” when combined. Flash powder is a fast-burning mixture that makes a ...

Greene County factory U.S. Nitrogen, which produces nitric acid, ammonium nitrate and other components for Austin Powder’s ...